Task03 Данил Дорошин ITMO by ddddanil · Pull Request #927 · GPGPUCourse/GPGPUTasks2025

ddddanil · 2025-12-23T20:18:02Z

Transpose

Локальный вывод

$ ./main_matrix_transpose 2
Found 3 GPUs in 0.328274 sec (CUDA: 0.122461 sec, OpenCL: 0.113303 sec, Vulkan: 0.0924006 sec)
Available devices:
  Device #0: API: OpenCL. CPU. Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz. Intel(R) Corporation. Total memory: 15731 Mb.
  Device #1: API: Vulkan. iGPU. Intel(R) UHD Graphics (CML GT2). Free memory: 6315/11798 Mb.
  Device #2: API: CUDA+OpenCL+Vulkan. GPU. NVIDIA GeForce GTX 1650 Ti (CUDA 13000). Free memory: 3654/3717 Mb.
Using device #2: API: CUDA+OpenCL+Vulkan. GPU. NVIDIA GeForce GTX 1650 Ti (CUDA 13000). Free memory: 3654/3717 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.145769 10%=0.145774 median=0.145834 90%=0.152064 max=0.152064)
median effective algorithm bandwidth: 6.85711 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.0132707 10%=0.0132795 median=0.0132996 90%=0.0134834 max=0.0134834)
median effective algorithm bandwidth: 75.1901 GB/s

Вывод Github CI

$ ./main_matrix_transpose 0
Found 1 GPUs in 11.8432 sec (CUDA: 0.112519 sec, OpenCL: 0.706046 sec, Vulkan: 11.0246 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.0239883 10%=0.0239894 median=0.0240359 90%=0.0258209 max=0.0258209)
median effective algorithm bandwidth: 41.6045 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.00817342 10%=0.00817681 median=0.00818267 90%=0.0082992 max=0.0082992)
median effective algorithm bandwidth: 122.209 GB/s

Multiply

Локальный вывод

$ ./main_matrix_multiply 2
Found 3 GPUs in 1.03068 sec (CUDA: 0.195379 sec, OpenCL: 0.700266 sec, Vulkan: 0.134775 sec)
Available devices:
  Device #0: API: OpenCL. CPU. Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz. Intel(R) Corporation. Total memory: 15731 Mb.
  Device #1: API: Vulkan. iGPU. Intel(R) UHD Graphics (CML GT2). Free memory: 8373/11798 Mb.
  Device #2: API: CUDA+OpenCL+Vulkan. GPU. NVIDIA GeForce GTX 1650 Ti (CUDA 13010). Free memory: 3654/3717 Mb.
Using device #2: API: CUDA+OpenCL+Vulkan. GPU. NVIDIA GeForce GTX 1650 Ti (CUDA 13010). Free memory: 3654/3717 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=54.3206 10%=54.3206 median=54.3206 90%=54.3206 max=54.3206)
algorithm GFlops: 0.316114 GFlops
algorithm effective memory bandwidth: 0.00100675 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=0.219984 10%=0.220031 median=0.220104 90%=0.237713 max=0.237713)
algorithm GFlops: 78.0153 GFlops
algorithm effective memory bandwidth: 0.248462 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.21073e-07 90%=1.12363e-06 max=2.77294)
median relative difference with CPU: 2.21073e-07
99% percentile relative difference with CPU: 1.09303e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.34166 10%=0.341669 median=0.343068 90%=0.34515 max=0.34515)
algorithm GFlops: 50.0527 GFlops
algorithm effective memory bandwidth: 0.159407 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.67428e-08 median=4.71664e-07 90%=2.08005e-06 max=20.4377)
median relative difference with CPU: 4.71664e-07
99% percentile relative difference with CPU: 1.96524e-05

Вывод Github CI

$ ./main_matrix_multiply 0
Found 1 GPUs in 0.308016 sec (CUDA: 0.124573 sec, OpenCL: 0.038077 sec, Vulkan: 0.145307 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=11.97 10%=11.97 median=11.97 90%=11.97 max=11.97)
algorithm GFlops: 1.43454 GFlops
algorithm effective memory bandwidth: 0.0045687 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=0.171345 10%=0.172939 median=0.174058 90%=0.329976 max=0.329976)
algorithm GFlops: 98.6536 GFlops
algorithm effective memory bandwidth: 0.314191 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.67401e-08 median=4.71637e-07 90%=2.07923e-06 max=3.12559)
median relative difference with CPU: 4.71637e-07
99% percentile relative difference with CPU: 1.95534e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.152764 10%=0.152767 median=0.152778 90%=0.155259 max=0.155259)
algorithm GFlops: 112.395 GFlops
algorithm effective memory bandwidth: 0.357955 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.67415e-08 median=4.71645e-07 90%=2.07943e-06 max=6.30526)
median relative difference with CPU: 4.71645e-07
99% percentile relative difference with CPU: 1.95739e-05

GPUcourseBOT · 2025-12-23T20:22:38Z

✅ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_matrix_transpose, main_matrix_multiply ===
=== main_matrix_transpose stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 8.31939 sec (CUDA: 0.113937 sec, OpenCL: 0.707783 sec, Vulkan: 7.49761 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.0236044 10%=0.0236145 median=0.0238951 90%=0.0255099 max=0.0255099)
median effective algorithm bandwidth: 41.8495 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.00817343 10%=0.00817558 median=0.00818427 90%=0.00830092 max=0.00830092)
median effective algorithm bandwidth: 122.186 GB/s
=== main_matrix_multiply stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 0.304857 sec (CUDA: 0.126677 sec, OpenCL: 0.0388888 sec, Vulkan: 0.139232 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=11.4562 10%=11.4562 median=11.4562 90%=11.4562 max=11.4562)
algorithm GFlops: 1.49889 GFlops
algorithm effective memory bandwidth: 0.00477364 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=0.0590775 10%=0.0597447 median=0.0611722 90%=0.0652011 max=0.0652011)
algorithm GFlops: 280.707 GFlops
algorithm effective memory bandwidth: 0.893993 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.21073e-07 90%=1.12363e-06 max=2.77294)
median relative difference with CPU: 2.21073e-07
99% percentile relative difference with CPU: 1.09303e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.0172957 10%=0.0182773 median=0.022297 90%=0.0234924 max=0.0234924)
algorithm GFlops: 770.126 GFlops
algorithm effective memory bandwidth: 2.45269 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.33797e-07 90%=1.88501e-06 max=31106)
median relative difference with CPU: 2.33797e-07
99% percentile relative difference with CPU: 0.130007
=== main_matrix_multiply stderr (exit code: -11 (segfault после выполнения)) ===
Error: Assertion "54623452334232 0.130007" failed at line 199

Посмотреть полные логи

PolarNick239 · 2026-01-15T15:54:34Z

упал CI на github, пожалуйста исправьте его: откройте и пролистайте логи вниз (кнопкой End например, там много пустых строк видимо, долго грузит), поймите в чем проблема, попробуйте поискать в чате курса по этой ошибке, если не понятно что-то на этих этапах или не найдется, или еще что - не стесняйтесь спрашивать (в чате, или в личку)

GPUcourseBOT · 2026-01-15T18:26:33Z

⚠️ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

Ошибка компиляции
=== ВЫВОД CMAKE (stdout) ===

-- The C compiler identification is GNU 13.3.0

-- The CXX compiler identification is GNU 13.3.0

-- Detecting C compiler ABI info

-- Detecting C compiler ABI info - done

-- Check for working C compiler: /usr/bin/cc - skipped

-- Detecting C compile features

-- Detecting C compile features - done

-- Detecting CXX compiler ABI info

-- Detecting CXX compiler ABI info - done

-- Check for working CXX compiler: /usr/bin/c++ - skipped

-- Detecting CXX compile features

-- Detecting CXX compile features - done

-- Vulkan glslc compiler from system PATH will be used

-- Found GTest: /usr/local/lib/cmake/GTest/GTestConfig.cmake (found version "1.10.0")

-- Found OpenMP_C: -fopenmp (found version "4.5")

-- Found OpenMP_CXX: -fopenmp (found version "4.5")

-- Found OpenMP: TRUE (found version "4.5")

-- Found Threads: TRUE

-- Found X11: /usr/include

-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so

-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so - found

-- Looking for gethostbyname

-- Looking for gethostbyname - found

-- Looking for connect

-- Looking for connect - found

-- Looking for remove

-- Looking for remove - found

-- Looking for shmat

-- Looking for shmat - found

-- Looking for IceConnectionNumber in ICE

-- Looking for IceConnectionNumber in ICE - found

-- Found CUDA: /usr (found version "12.0")

-- Found Vulkan: /usr/local/lib/libvulkan.so (found version "1.3.283") found components: glslc missing components: glslangValidator

-- The CUDA compiler identification is NVIDIA 12.0.140

-- Detecting CUDA compiler ABI info

-- Detecting CUDA compiler ABI info - done

-- Check for working CUDA compiler: /usr/bin/nvcc - skipped

-- Detecting CUDA compile features

-- Detecting CUDA compile features - done

-- Found CUDAToolkit: /usr/include (found version "12.0.140")

-- Configuring done (3.7s)

-- Generating done (0.0s)

-- Build files have been written to: /tmp/tmph93v9bos/build
=== ВЫВОД CMAKE (stderr) ===

CMake Warning (dev) at libs/utils/CMakeLists.txt:25 (find_package):

Policy CMP0146 is not set: The FindCUDA module is removed. Run "cmake

--help-policy CMP0146" for policy details. Use the cmake_policy command to

set the policy and suppress this warning.

This warning is for project developers. Use -Wno-dev to suppress it.

CMake Warning:

Manually-specified variables were not used by the project:

CUDA_SUPPORT

USE_CUDA

WITH_CUDA
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[ 53%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/vulkan/device.cpp.o

[ 53%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/vulkan/engine.cpp.o

[ 54%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/vulkan/enum.cpp.o

[ 55%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/vulkan/utils.cpp.o
=== ВЫВОД MAKE (stderr) ===

In file included from /usr/include/stdio.h:980,

from /usr/include/c++/13/cstdio:42,

from /usr/include/c++/13/ext/string_conversions.h:45,

from /usr/include/c++/13/bits/basic_string.h:4109,

from /usr/include/c++/13/string:54,

from /tmp/tmph93v9bos/libs/images/libimages/images.h:6,

from /tmp/tmph93v9bos/libs/images/libimages/images.cpp:1:

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = char]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = char]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short unsigned int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short unsigned int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = float]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = float]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long unsigned int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long unsigned int]’ at /tmp/tmph93v9bos/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

/tmp/tmph93v9bos/libs/gpu/libgpu/opencl/engine.cpp:3: warning: "SHORT_FILE" redefined

3 | #define SHORT_FILE "ocl_engine.cpp"

|

In file included from /tmp/tmph93v9bos/libs/gpu/libgpu/work_size.h:3,

from /tmp/tmph93v9bos/libs/gpu/libgpu/opencl/engine.h:17,

from /tmp/tmph93v9bos/libs/gpu/libgpu/opencl/engine.cpp:1:

/tmp/tmph93v9bos/libs/gpu/libgpu/utils.h:52: note: this is the location of the previous definition

52 | #define SHORT_FILE "unknown"

|

/tmp/tmph93v9bos/libs/gpu/libgpu/vulkan/engine.cpp: In function ‘VkDebugUtilsMessengerEXT_T* {anonymous}::setupDebugCallback(avk2::InstanceContext*)’:

/tmp/tmph93v9bos/libs/gpu/libgpu/vulkan/engine.cpp:70:47: error: invalid conversion from ‘VkBool32 ()(vk::DebugUtilsMessageSeverityFlagBitsEXT, vk::DebugUtilsMessageTypeFlagsEXT, const vk::DebugUtilsMessengerCallbackDataEXT, void*)’ {aka ‘unsigned int ()(vk::DebugUtilsMessageSeverityFlagBitsEXT, vk::Flagsvk::DebugUtilsMessageTypeFlagBitsEXT, const vk::DebugUtilsMessengerCallbackDataEXT, void*)’} to ‘PFN_vkDebugUtilsMessengerCallbackEXT’ {aka ‘unsigned int ()(VkDebugUtilsMessageSeverityFlagBitsEXT, unsigned int, const VkDebugUtilsMessengerCallbackDataEXT, void*)’} [-fpermissive]

70 | create_info.pfnUserCallback = debugCallback;

| ^~~~~~~~~~~~~

| |

| VkBool32 ()(vk::DebugUtilsMessageSeverityFlagBitsEXT, vk::DebugUtilsMessageTypeFlagsEXT, const vk::DebugUtilsMessengerCallbackDataEXT, void*) {aka unsigned int ()(vk::DebugUtilsMessageSeverityFlagBitsEXT, vk::Flagsvk::DebugUtilsMessageTypeFlagBitsEXT, const vk::DebugUtilsMessengerCallbackDataEXT, void*)}

make[2]: *** [libs/gpu/CMakeFiles/libgpu.dir/build.make:616: libs/gpu/CMakeFiles/libgpu.dir/libgpu/vulkan/engine.cpp.o] Error 1

make[2]: *** Waiting for unfinished jobs....

make[1]: *** [CMakeFiles/Makefile2:485: libs/gpu/CMakeFiles/libgpu.dir/all] Error 2

make: *** [Makefile:91: all] Error 2

Посмотреть полные логи

GPUcourseBOT · 2026-01-15T18:40:44Z

✅ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_matrix_transpose, main_matrix_multiply ===
=== main_matrix_transpose stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 0.313536 sec (CUDA: 0.122462 sec, OpenCL: 0.0383136 sec, Vulkan: 0.152698 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.0236967 10%=0.023718 median=0.0237391 90%=0.0238717 max=0.0238717)
median effective algorithm bandwidth: 42.1246 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.00817316 10%=0.0081756 median=0.00818112 90%=0.00831771 max=0.00831771)
median effective algorithm bandwidth: 122.233 GB/s
=== main_matrix_multiply stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 0.327598 sec (CUDA: 0.126617 sec, OpenCL: 0.0386167 sec, Vulkan: 0.162306 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=11.2695 10%=11.2695 median=11.2695 90%=11.2695 max=11.2695)
algorithm GFlops: 1.52372 GFlops
algorithm effective memory bandwidth: 0.00485272 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=0.060987 10%=0.061368 median=0.0648583 90%=0.0658256 max=0.0658256)
algorithm GFlops: 264.754 GFlops
algorithm effective memory bandwidth: 0.843185 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.21073e-07 90%=1.12363e-06 max=2.77294)
median relative difference with CPU: 2.21073e-07
99% percentile relative difference with CPU: 1.09303e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.0172814 10%=0.0189008 median=0.0231557 90%=0.0243095 max=0.0243095)
algorithm GFlops: 741.567 GFlops
algorithm effective memory bandwidth: 2.36173 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.35155e-07 90%=2.03321e-06 max=70276.7)
median relative difference with CPU: 2.35155e-07
99% percentile relative difference with CPU: 0.146045
=== main_matrix_multiply stderr (exit code: -11 (segfault после выполнения)) ===
Error: Assertion "54623452334232 0.146045" failed at line 199

Посмотреть полные логи

PolarNick239 · 2026-01-20T18:22:58Z

На Tesla T4 падает rassert 54623452334232

GPUcourseBOT · 2026-01-21T12:02:56Z

⚠️ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

Ошибка компиляции
=== ВЫВОД CMAKE (stdout) ===

-- The C compiler identification is GNU 13.3.0

-- The CXX compiler identification is GNU 13.3.0

-- Detecting C compiler ABI info

-- Detecting C compiler ABI info - done

-- Check for working C compiler: /usr/bin/cc - skipped

-- Detecting C compile features

-- Detecting C compile features - done

-- Detecting CXX compiler ABI info

-- Detecting CXX compiler ABI info - done

-- Check for working CXX compiler: /usr/bin/c++ - skipped

-- Detecting CXX compile features

-- Detecting CXX compile features - done

-- Vulkan glslc compiler from system PATH will be used

-- Found GTest: /usr/local/lib/cmake/GTest/GTestConfig.cmake (found version "1.10.0")

-- Found OpenMP_C: -fopenmp (found version "4.5")

-- Found OpenMP_CXX: -fopenmp (found version "4.5")

-- Found OpenMP: TRUE (found version "4.5")

-- Found Threads: TRUE

-- Found X11: /usr/include

-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so

-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so - found

-- Looking for gethostbyname

-- Looking for gethostbyname - found

-- Looking for connect

-- Looking for connect - found

-- Looking for remove

-- Looking for remove - found

-- Looking for shmat

-- Looking for shmat - found

-- Looking for IceConnectionNumber in ICE

-- Looking for IceConnectionNumber in ICE - found

-- Found CUDA: /usr (found version "12.0")

-- Found Vulkan: /usr/local/lib/libvulkan.so (found version "1.3.283") found components: glslc missing components: glslangValidator

-- The CUDA compiler identification is NVIDIA 12.0.140

-- Detecting CUDA compiler ABI info

-- Detecting CUDA compiler ABI info - done

-- Check for working CUDA compiler: /usr/bin/nvcc - skipped

-- Detecting CUDA compile features

-- Detecting CUDA compile features - done

-- Found CUDAToolkit: /usr/include (found version "12.0.140")

-- Configuring done (19.7s)

-- Generating done (0.1s)

-- Build files have been written to: /tmp/tmpjmeyg1w4/build
=== ВЫВОД CMAKE (stderr) ===

CMake Warning (dev) at libs/utils/CMakeLists.txt:25 (find_package):

Policy CMP0146 is not set: The FindCUDA module is removed. Run "cmake

--help-policy CMP0146" for policy details. Use the cmake_policy command to

set the policy and suppress this warning.

This warning is for project developers. Use -Wno-dev to suppress it.

CMake Warning:

Manually-specified variables were not used by the project:

CUDA_SUPPORT

USE_CUDA

WITH_CUDA
=== ВЫВОД MAKE (stdout) ===

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[ 33%] Generating /tmp/tmpjmeyg1w4/libs/gpu/libgpu/vulkan/tests/kernels/generated_kernels/image_conversion_from_float_to_T_T_32F_comp_spirv_vulkan.h

[ 34%] Generating /tmp/tmpjmeyg1w4/libs/gpu/libgpu/vulkan/tests/kernels/generated_kernels/image_conversion_from_float_to_T_T_8U_comp_spirv_vulkan.h

[ 36%] Generating /tmp/tmpjmeyg1w4/libs/gpu/libgpu/vulkan/tests/kernels/generated_kernels/image_interpolation_NCHANNELS_1_T_32F_comp_spirv_vulkan.h

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[ 63%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/cuda/enum.cpp.o

[ 64%] Building CXX object libs/gpu/CMakeFiles/libgpu.dir/libgpu/cuda/utils.cpp.o

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[ 65%] Built target libgpu

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[ 66%] Building CXX object libs/utils/CMakeFiles/libutils.dir/__/base/libbase/string_utils.cpp.o

[ 67%] Linking CXX static library liblibutils.a

[ 67%] Built target libutils

[ 67%] Generating /tmp/tmpjmeyg1w4/src/kernels/cl/generated_kernels/aplusb_nospir_opencl120.h

[ 68%] Generating /tmp/tmpjmeyg1w4/src/kernels/cl/generated_kernels/matrix_01_transpose_naive_nospir_opencl120.h

[ 68%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_05_multiply_cooperative_matrix_comp_spirv_vulkan.spir

[ 69%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/opencl/tests/kernels/kernels.cpp.o

[ 69%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/opencl/tests/aplusb_test.cpp.o

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[ 71%] Generating /tmp/tmpjmeyg1w4/src/kernels/cl/generated_kernels/matrix_04_multiply_via_local_memory_nospir_opencl120.h

[ 72%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/aplusb_comp_spirv_vulkan.spir

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[ 73%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_02_transpose_coalesced_via_local_memory_comp_spirv_vulkan.spir

[ 74%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_03_multiply_naive_comp_spirv_vulkan.spir

[ 75%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_04_multiply_via_local_memory_comp_spirv_vulkan.spir

[ 76%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_05_multiply_cooperative_matrix_comp_spirv_vulkan.h

[ 77%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/kernels/kernels.cpp.o

[ 78%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/aplusb_comp_spirv_vulkan.h

[ 79%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_01_transpose_naive_comp_spirv_vulkan.h

[ 80%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_02_transpose_coalesced_via_local_memory_comp_spirv_vulkan.h

[ 80%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_03_multiply_naive_comp_spirv_vulkan.h

[ 81%] Generating /tmp/tmpjmeyg1w4/src/kernels/vk/generated_kernels/matrix_04_multiply_via_local_memory_comp_spirv_vulkan.h

[ 82%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/aplusb_test.cpp.o

[ 83%] Building CXX object CMakeFiles/GPGPUTasks_core.dir/src/kernels/kernels.cpp.o

[ 84%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/aplusb.cu.o

[ 85%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/atomic_add_test.cpp.o

[ 85%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/batched_binary_search_test.cpp.o

[ 86%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/buffers_magic_guards_test.cpp.o

[ 87%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/matrix_01_transpose_naive.cu.o

[ 87%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/matrix_02_transpose_coalesced_via_local_memory.cu.o

[ 88%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/image_conversion_from_float_to_T_test.cpp.o

[ 89%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/matrix_03_multiply_naive.cu.o

[ 90%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/matrix_04_multiply_via_local_memory.cu.o

[ 91%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/interpolation_test.cpp.o

[ 91%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/main.cpp.o

[ 92%] Building CUDA object CMakeFiles/GPGPUTasks_core.dir/src/kernels/cu/matrix_05_multiply_wmma.cu.o

[ 93%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/rasterization_blending_test.cpp.o

[ 94%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/vulkan/tests/rasterization_test.cpp.o

[ 95%] Building CXX object libs/gpu/CMakeFiles/libgpu_test.dir/libgpu/device_test.cpp.o

[ 95%] Linking CXX static library libGPGPUTasks_core.a

[ 95%] Built target GPGPUTasks_core

[ 96%] Building CXX object CMakeFiles/main_aplusb.dir/src/main_aplusb.cpp.o

[ 97%] Building CXX object CMakeFiles/main_matrix_transpose.dir/src/main_01_matrix_transpose.cpp.o

[ 98%] Building CXX object CMakeFiles/main_matrix_multiply.dir/src/main_02_matrix_multiply.cpp.o

[ 98%] Linking CXX executable main_aplusb

[ 98%] Built target main_aplusb

[ 99%] Linking CXX executable main_matrix_transpose

[ 99%] Built target main_matrix_transpose

[ 99%] Linking CXX executable libgpu_test

[ 99%] Built target libgpu_test
=== ВЫВОД MAKE (stderr) ===

In file included from /usr/include/stdio.h:980,

from /usr/include/c++/13/cstdio:42,

from /usr/include/c++/13/ext/string_conversions.h:45,

from /usr/include/c++/13/bits/basic_string.h:4109,

from /usr/include/c++/13/string:54,

from /tmp/tmpjmeyg1w4/libs/images/libimages/images.h:6,

from /tmp/tmpjmeyg1w4/libs/images/libimages/images.cpp:1:

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = char]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = char]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short unsigned int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = short unsigned int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = float]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = float]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long unsigned int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58211:29:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

In function ‘int snprintf(char*, size_t, const char*, ...)’,

inlined from ‘cimg_library::CImgList& cimg_library::CImgList::_load_gif_external(const char*, bool) [with T = long long unsigned int]’ at /tmp/tmpjmeyg1w4/libs/images/libimages/CImg.h:58210:48:

/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:35: warning: null destination pointer [-Wformat-truncation=]

54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,

| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

55 | __glibc_objsize (__s), __fmt,

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

56 | __va_arg_pack ());

| ~~~~~~~~~~~~~~~~~

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.cpp:3: warning: "SHORT_FILE" redefined

3 | #define SHORT_FILE "ocl_engine.cpp"

|

In file included from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h:3,

from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.h:17,

from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.cpp:1:

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/utils.h:52: note: this is the location of the previous definition

52 | #define SHORT_FILE "unknown"

|

In file included from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/context.h:4,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:6,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.cpp:1:

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.h:3: warning: "CL_TARGET_OPENCL_VERSION" redefined

3 | #define CL_TARGET_OPENCL_VERSION 210

|

In file included from /tmp/tmpjmeyg1w4/libs/clew/CL/cl.h:20,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:4:

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:23: note: this is the location of the previous definition

23 | #define CL_TARGET_OPENCL_VERSION 220

|

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:22:104: note: ‘#pragma message: cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)’

22 | #pragma message("cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)")

| ^

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/../../base/libbase/math.h(11): warning #186-D: pointless comparison of unsigned integer with zero

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

Remark: The warnings can be suppressed with "-diag-suppress "

detected during instantiation of "T div_ceil(T, T) [with T=size_t]"

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/work_size.h(63): here

In file included from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/context.h:4,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:6,

from /tmp/tmpjmeyg1w4/src/main_aplusb.cpp:2:

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.h:3: warning: "CL_TARGET_OPENCL_VERSION" redefined

3 | #define CL_TARGET_OPENCL_VERSION 210

|

In file included from /tmp/tmpjmeyg1w4/libs/clew/CL/cl.h:20,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:4:

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:23: note: this is the location of the previous definition

23 | #define CL_TARGET_OPENCL_VERSION 220

|

In file included from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/context.h:4,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:6,

from /tmp/tmpjmeyg1w4/src/main_01_matrix_transpose.cpp:2:

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.h:3: warning: "CL_TARGET_OPENCL_VERSION" redefined

3 | #define CL_TARGET_OPENCL_VERSION 210

|

In file included from /tmp/tmpjmeyg1w4/libs/clew/CL/cl.h:20,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:4:

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:23: note: this is the location of the previous definition

23 | #define CL_TARGET_OPENCL_VERSION 220

|

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:22:104: note: ‘#pragma message: cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)’

22 | #pragma message("cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)")

| ^

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:22:104: note: ‘#pragma message: cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)’

22 | #pragma message("cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)")

| ^

In file included from /tmp/tmpjmeyg1w4/libs/gpu/libgpu/context.h:4,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:6,

from /tmp/tmpjmeyg1w4/src/main_02_matrix_multiply.cpp:2:

/tmp/tmpjmeyg1w4/libs/gpu/libgpu/opencl/engine.h:3: warning: "CL_TARGET_OPENCL_VERSION" redefined

3 | #define CL_TARGET_OPENCL_VERSION 210

|

In file included from /tmp/tmpjmeyg1w4/libs/clew/CL/cl.h:20,

from /tmp/tmpjmeyg1w4/libs/utils/libutils/misc.h:4:

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:23: note: this is the location of the previous definition

23 | #define CL_TARGET_OPENCL_VERSION 220

|

/tmp/tmpjmeyg1w4/libs/clew/CL/cl_version.h:22:104: note: ‘#pragma message: cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)’

22 | #pragma message("cl_version.h: CL_TARGET_OPENCL_VERSION is not defined. Defaulting to 220 (OpenCL 2.2)")

| ^

/tmp/tmpjmeyg1w4/src/main_02_matrix_multiply.cpp: In function ‘void run(int, char**)’:

/tmp/tmpjmeyg1w4/src/main_02_matrix_multiply.cpp:187:39: error: ‘results’ was not declared in this scope

187 | float gpu_value = results[j * w + i];

| ^~~~~~~

make[2]: *** [CMakeFiles/main_matrix_multiply.dir/build.make:76: CMakeFiles/main_matrix_multiply.dir/src/main_02_matrix_multiply.cpp.o] Error 1

make[1]: *** [CMakeFiles/Makefile2:326: CMakeFiles/main_matrix_multiply.dir/all] Error 2

make[1]: *** Waiting for unfinished jobs....

make: *** [Makefile:91: all] Error 2

Посмотреть полные логи

GPUcourseBOT · 2026-01-21T14:13:10Z

✅ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_matrix_transpose, main_matrix_multiply ===
=== main_matrix_transpose stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 8.65443 sec (CUDA: 0.116201 sec, OpenCL: 0.707217 sec, Vulkan: 7.83095 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.0235627 10%=0.0235686 median=0.0239527 90%=0.0288704 max=0.0288704)
median effective algorithm bandwidth: 41.749 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.00812178 10%=0.00812347 median=0.00813146 90%=0.00824007 max=0.00824007)
median effective algorithm bandwidth: 122.979 GB/s
=== main_matrix_multiply stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 0.301851 sec (CUDA: 0.12824 sec, OpenCL: 0.0419848 sec, Vulkan: 0.131569 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=11.9697 10%=11.9697 median=11.9697 90%=11.9697 max=11.9697)
algorithm GFlops: 1.43458 GFlops
algorithm effective memory bandwidth: 0.00456883 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=1.24433 10%=1.24486 median=1.24952 90%=1.35516 max=1.35516)
algorithm GFlops: 13.7424 GFlops
algorithm effective memory bandwidth: 0.0437667 GB/s
relative differences with CPU: 8388608 values (min=0 10%=0 median=2.21073e-07 90%=1.12363e-06 max=2.77294)
median relative difference with CPU: 2.21073e-07
99% percentile relative difference with CPU: 1.09303e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.152937 10%=0.152941 median=0.152948 90%=0.154574 max=0.154574)
algorithm GFlops: 112.27 GFlops
algorithm effective memory bandwidth: 0.357557 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.6743e-08 median=4.71658e-07 90%=2.07979e-06 max=9.13368)
median relative difference with CPU: 4.71658e-07
99% percentile relative difference with CPU: 1.9618e-05

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PolarNick239 · 2026-01-21T19:40:21Z

src/main_02_matrix_multiply.cpp

                } else if (context.type() == gpu::Context::TypeCUDA) {
                    if (algorithm == "01 naive") {
-                        cuda::matrix_multiply_naive(gpu::WorkSize(GROUP_SIZE, 1, w, h), matrix_a_gpu, matrix_b_gpu, matrix_c_gpu, w, h, k);
+                        cuda::matrix_multiply_naive(gpu::WorkSize(1, 1, w, h), matrix_a_gpu, matrix_b_gpu, matrix_c_gpu, w, h, k);


не запускайте пожалуйста на GPU рабочую группу 1х1, иначе где-то грустит 31 лилипут

Да, как-то пропустил в ходе дебага. Поправил

This reverts commit 6a14074.

GPUcourseBOT · 2026-01-22T22:45:23Z

✅ Результаты тестирования PR #927

Логи тестирования (нажмите чтобы развернуть)

=== СТАТУС: Успешно выполнены программы: main_matrix_transpose, main_matrix_multiply ===
=== main_matrix_transpose stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 11.8432 sec (CUDA: 0.112519 sec, OpenCL: 0.706046 sec, Vulkan: 11.0246 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
Matrix size: rows=H=8192 x cols=W=16384 (512 MB)
______________________________________________________
Evaluating algorithm #1/2: 01 naive transpose (non-coalesced)
algorithm times (in seconds) - 10 values (min=0.0239883 10%=0.0239894 median=0.0240359 90%=0.0258209 max=0.0258209)
median effective algorithm bandwidth: 41.6045 GB/s
______________________________________________________
Evaluating algorithm #2/2: 02 transpose via local memory (coalesced)
algorithm times (in seconds) - 10 values (min=0.00817342 10%=0.00817681 median=0.00818267 90%=0.0082992 max=0.0082992)
median effective algorithm bandwidth: 122.209 GB/s
=== main_matrix_multiply stdout (exit code: -11 (segfault после выполнения)) ===
Found 1 GPUs in 0.308016 sec (CUDA: 0.124573 sec, OpenCL: 0.038077 sec, Vulkan: 0.145307 sec)
Available devices:
Device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using device #0: API: CUDA+OpenCL+Vulkan. GPU. Tesla T4 (CUDA 12020). Free memory: 14822/14930 Mb.
Using CUDA API...
C = A x B, matrices size: C (rows=H=2048 x cols=W=4096) = A (rows=H=2048 x cols=K=1024) x B (rows=K=1024 x cols=W=4096)
matrices data size: A - 8 MB, B - 16 MB, C - 16 MB
______________________________________________________
Evaluating algorithm #1/3: CPU with OpenMP
algorithm times (in seconds) - 1 values (min=11.97 10%=11.97 median=11.97 90%=11.97 max=11.97)
algorithm GFlops: 1.43454 GFlops
algorithm effective memory bandwidth: 0.0045687 GB/s
______________________________________________________
Evaluating algorithm #2/3: 01 naive
algorithm times (in seconds) - 10 values (min=0.171345 10%=0.172939 median=0.174058 90%=0.329976 max=0.329976)
algorithm GFlops: 98.6536 GFlops
algorithm effective memory bandwidth: 0.314191 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.67401e-08 median=4.71637e-07 90%=2.07923e-06 max=3.12559)
median relative difference with CPU: 4.71637e-07
99% percentile relative difference with CPU: 1.95534e-05
______________________________________________________
Evaluating algorithm #3/3: 02 using local memory
algorithm times (in seconds) - 10 values (min=0.152764 10%=0.152767 median=0.152778 90%=0.155259 max=0.155259)
algorithm GFlops: 112.395 GFlops
algorithm effective memory bandwidth: 0.357955 GB/s
relative differences with CPU: 8388608 values (min=0 10%=8.67415e-08 median=4.71645e-07 90%=2.07943e-06 max=6.30526)
median relative difference with CPU: 4.71645e-07
99% percentile relative difference with CPU: 1.95739e-05

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PolarNick239 · 2026-01-23T18:50:43Z

9/10 баллов 👍 (за дедлайн)

ddddanil added 6 commits December 23, 2025 16:14

fix(task): patch src

6a14074

feat(task): use CUDA API

d7f64f1

feat(task,transpose01): impl naive transpose

436af1a

feat(task,transpose02): impl local memory transpose

2073c5b

feat(task,multiply03): impl naive mult

cbe0116

feat(task,multiply04): impl tile multiply

6c83c3e

ddddanil force-pushed the task03 branch from 663fdc1 to e6bcb75 Compare January 15, 2026 18:22

fix(ci): clear tool cache

eed6b90

ddddanil force-pushed the task03 branch from e6bcb75 to eed6b90 Compare January 15, 2026 18:23

ddddanil force-pushed the task03 branch from dd466e8 to e2c9fb2 Compare January 21, 2026 11:58

ddddanil force-pushed the task03 branch from e2c9fb2 to 576a2c5 Compare January 21, 2026 14:08

PolarNick239 reviewed Jan 21, 2026

View reviewed changes

ddddanil added 5 commits January 23, 2026 00:38

fix(task,multiply3): check matrix bounds

99d863e

fix(task,multiply4): fix tile logic

3ed91d3

debug params

22b85c9

fix(debug): undo debug values

a637192

Revert "fix(task): patch src"

e19a913

This reverts commit 6a14074.

ddddanil force-pushed the task03 branch from 576a2c5 to e19a913 Compare January 22, 2026 21:38

PolarNick239 closed this Jan 23, 2026

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Task03 Данил Дорошин ITMO#927

Task03 Данил Дорошин ITMO#927
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