v22.05.01

This hotfix release updates the conda build recipe to use the right compiler versions.

Full Changelog: v22.05.00...v22.05.01

v22.05.00

Release 22.05 introduces the following new features: 1) multi-dimensional unbound Legate stores, 2) communicator support for Legate tasks with multi-dimensional launch domains, 3) zero-code patching support (lgpatch), 4) unified per-library command-line arguments handling, and 5) NVTX ranges for Legate tasks.

Conda packages for this release are available at https://anaconda.org/legate/legate-core.

New Features

• Simple stream pool for all Legate libraries by @magnatelee in #208
• NVTX integration by @magnatelee in #209
• Adding conda build recipe files by @marcinz in #188
• APIs to declare out-of-range indirects by @magnatelee in #221
• Communicators for N-D task launches by @magnatelee in #182

Improvements

• Add install.py flag to feed -march to legion and legate by @manopapad in #170
• Add support for checking out a commit by @marcinz in #172
• Added allocator rebase pr by @mfoerste4 in #171
• Split up legate/core/legion.py by @bryevdv in #163
• Add script wrapper for zero code-change patching by @bryevdv in #236
• Forward some more relevant env vars through mpirun -x by @manopapad in #180
• Add more type annotations by @bryevdv in #181
• Updates for N-D unbound stores by @magnatelee in #186
• Variety of quality-of-life changes by @magnatelee in #190
• Auto-detect current GPU architecture at install time by @manopapad in #184
• More type annotations by @bryevdv in #189
• Pass -std=c++14 to Legion explicitly by @manopapad in #194
• Bryanv/arg protocol by @bryevdv in #195
• More typing by @bryevdv in #196
• Support for string scalar arguments by @magnatelee in #199
• Flush scheduling window before tree reduction is performed by @magnatelee in #203
• Bump up NumPy version by @magnatelee in #206
• Start requiring C++17 for Legate libraries by @magnatelee in #207
• Raise an exception if there's no usable processor by @magnatelee in #210
• Use ordered sets in requirement analyzers for determinism by @magnatelee in #212
• Type annotations for the rest of the core modules by @magnatelee in #213
• Split ManualTask from other tasks by @bryevdv in #197
• Use updated legion python cleanup API by @manopapad in #217
• Create output directory if it doesn't exist by @manopapad in #218
• Update the Python cleanup interface by @magnatelee in #222
• Bump minpy to 3.8 by @bryevdv in #220
• Update build.sh with specific CPU targeting by @m3vaz in #223
• Use stdlib typing where possible by @bryevdv in #224
• Compile everything using C++17 by @manopapad in #227
• Centralize command line argument parsing in legate.core by @bryevdv in #232
• Launcher flags to configure Nsight Systems by @magnatelee in #234
• Conda recipes improvements by @marcinz in #233
• Use 32-bit integers for type codes by @magnatelee in #239
• Misc small updates by @bryevdv in #238
• Add option to keep profiler/spy dumps by @manopapad in #240
• Use read-write privilege for scatter targets by @magnatelee in #241
• Set target memories for future-backed stores by @magnatelee in #242

Bug Fixes

• Fix for output region by @magnatelee in #175
• Unbound store fix by @magnatelee in #179
• Handle projections to 0D correctly by @magnatelee in #202
• Fix for the constraint solver by @magnatelee in #204
• Fix compile issue with cuda_help.h by @magnatelee in #211
• Pull conda build number into a variable by @marcinz in #216
• Fix unit tests for Legate stores by @magnatelee in #235
• Fix unordered field destruction by @magnatelee in #237
• Update the number of elements correctly in create_output_buffer by @magnatelee in #243
• Use phase barriers to work around the CUDA driver bug (#246) by @marcinz in #247

New Contributors

• @mfoerste4 made their first contribution in #171
• @m3vaz made their first contribution in #223

Full Changelog: v22.03.00...v22.05.00

v22.03.00

Release 22.03 adds communicator support for tasks, allowing intra-task communication to be performed in a safe way. The new task type for constructing task trees is useful for operations implementing set semantics, such as distributed value de-duplication. The build system is also extended such that CUDA tasks can use offline device linking. Finally, the auto-partitioner is revised and extended to handle distributed gather/scatter copies correctly.

Conda packages for this release are available at https://anaconda.org/legate/legate-core.

New Features

• Support for unaligned color spaces by @magnatelee in #157
• Support for uneven partitions by @magnatelee in #152
• Support for offline device linking by @magnatelee in #145
• Communicator support by @magnatelee in #140
• APIs to query launch shape by @magnatelee in #139
• Support for partial broadcasting by @magnatelee in #137

Improvements

• Add support for checking out a commit by @marcinz in #169
• Turn off local function optimization for NCCL initialization by @magnatelee in #167
• Allow users to explicitly redirect logs to file by @manopapad in #166
• Cleanup / Initial pass for type annotations by @bryevdv in #158
• Safety checks for copies by @magnatelee in #159
• Support for reduction tree construction by @magnatelee in #151
• Be a little more lenient in fake-dims check by @manopapad in #148
• Update Legate copy by @magnatelee in #149
• Build update by @magnatelee in #142

Bug Fixes

• Quickfix: Fix non-annotations on 3.7 by @bryevdv in #164
• Solver fix by @magnatelee in #162
• Mapper fix for tasks with no store arguments by @magnatelee in #161
• Solver fix by @magnatelee in #160
• Fix for #133 by @magnatelee in #155
• Include ccbin when linking device code by @manopapad in #153
• Some fixes for auto-partitioner by @magnatelee in #147

New Contributors

• @bryevdv made their first contribution in #158

Full Changelog: v22.01.01...v22.03.00

v21.11.01

What's Changed

This is a minor bug fix release, fixing the version of legion to a particular commit.

Conda packages for this release are available at https://anaconda.org/legate/legate-core.

Full Changelog: v22.01.00...v22.01.01

v22.01.00

Release 22.01 introduces APIs for manual data partitioning and task parallelization to express distributed algorithms that are not data parallel, such as matrix decompositions.

New Features

• Support ingest of external distributed data by @manopapad in #81
• Support for manual partitioning by @magnatelee in #120
• Cyclic distribution by @magnatelee in #122
• Make LEGATE_ABORT a statement by @magnatelee in #126
• API for issuing fences by @magnatelee in #128

Improvements

• Support multi-rank mode by @manopapad in #80
• Realm now sets GASNET_PHYSMEM_PROBE/MAX internally by @manopapad in #86
• Replace math.prod with itertools.product by @magnatelee in #88
• Print the command once even if externally launched by @manopapad in #87
• Build system improvements by @manopapad in #101
• Verify the python lib used by Realm matches what user is running by @manopapad in #110
• Add has_fake_dims() check on Stores by @manopapad in #112
• Remove CUDA resource management by @magnatelee in #111
• Debug-printing functions for dense arrays by @manopapad in #115
• No longer need to reserve one dim for reductions by @manopapad in #121
• Flag to use empty tasks by @magnatelee in #129
• Do python install on custom dir w/o eggs by @manopapad in #131

Bug Fixes

• Object cycle fix ported to branch-22.01 by @magnatelee in #85
• Fix product computation by @manopapad in #89
• Bug fix for base mapper (rebased) by @magnatelee in #93
• Fix for Issue 77 (rebased) by @magnatelee in #92
• Keep RegionField alive while any inline mapping remains by @manopapad in #94
• Old versions of NVCC only supported -M, not -MMD, -MF, -MP by @manopapad in #95
• Port legate.core#97 by @manopapad in #98
• Fix for deferred detachments (back-ported) by @magnatelee in #100
• Override keywords to appease Clang by @magnatelee in #104
• Remove an overzealous assertion by @magnatelee in #108
• Fix for set_storage by @magnatelee in #109
• Fix dependency generation for .cu files by @manopapad in #114
• Remove jsrun option not supported on lassen by @manopapad in #116
• Minor bugfix in debugging code by @manopapad in #117
• Pin setuptools version, to work around breaking change by @manopapad in #124
• bug fix in install.py by @sunwayihep in #105
• Don't apply python installation fix under setuptools<60 by @manopapad in #132

Documentation

• Added contributing policy by @marcinz in #119

New Contributors

• @sunwayihep made their first contribution in #105

Full Changelog: v21.11.00...v22.01.00

v21.11.00

This is the initial public alpha release of Legate Core library. This release supports the initial release of cuNumeric.

Conda packages for this release are available at https://anaconda.org/legate/legate-core.

What's Changed

• CI Infrastructure by @marcinz in #18
• Added ENVVARs for some launcher options. by @jefflarkin in #20
• Support initializing FieldSpace from existing handle by @manopapad in #13
• Development of CI by @marcinz in #19
• Add testing to CI by @marcinz in #22
• Update the core CI to match the other repositories by @marcinz in #28
• Force left alignment for pointers and references by @magnatelee in #30
• Invoke srun in pseudo-terminal mode when using (cuda-)gdb by @manopapad in #32
• A utility for deferred buffers by @magnatelee in #34
• Improve the auto-partitioner, part 1 by @magnatelee in #33
• Clean up install script by @manopapad in #35
• Missing virtual from destructor by @manopapad in #36
• Fix for delinearization's inversion function by @magnatelee in #37
• Fix overzealous checks on dimensions by @magnatelee in #38
• Suppress some -Wswitch warnings by @manopapad in #39
• When generating CI images, name them after the branch by @marcinz in #31
• Remove some operators that were defined in Legion by @manopapad in #41
• Explicit checks for underlying Legion handle equality by @manopapad in #42
• Cache index partitions created for index spaces by @magnatelee in #43
• Formalize "scalar" property on Stores by @manopapad in #46
• Clarify documentation on --python-lib install option by @manopapad in #49
• Process output in a separate step that is always executed by @marcinz in #50
• adding docs for git, versions, and changelog by @mmccarty in #44
• Make sure that images for pull request get named properly by @marcinz in #51
• Revert installation defaults to CUDA & OpenMP off by @manopapad in #52
• Switch the default Legion branch to control_replication by @magnatelee in #55
• Refactor the task wrapper for scalar outputs by @magnatelee in #54
• Stop jobs on forks by @marcinz in #56
• Use data structures with deterministic iteration order in the solver by @manopapad in #58
• Mapping API (part 1) by @magnatelee in #47
• Interface for registering and retrieving reduction operators by @magnatelee in #59
• Fixes for transformations by @magnatelee in #60
• Dead code elimination by @magnatelee in #61
• Reorganizing source files by @magnatelee in #62
• Fix cases where transpose treats axes in the wrong direction by @manopapad in #64
• Functions for debug-printing Transforms on the C++ side by @manopapad in #65
• Improve support for incremental builds by @manopapad in #63
• Update for changes to FutureMap functions in Legion C interface by @manopapad in #66
• Properly count subregion reference destruction towards root region unmapping by @manopapad in #67
• Support attaching onto existing Stores + related cleanups by @manopapad in #68
• Rearrange user flags by @magnatelee in #69
• Mapper fix by @magnatelee in #70
• Remove --no-interpreter by @magnatelee in #71
• Minor fix for launcher by @magnatelee in #72
• Allow scalars to own buffers by @magnatelee in #73
• Support for affine images and store colocation by @magnatelee in #74
• Lazy evaluation support by @magnatelee in #75
• Minor fix for scalar by @magnatelee in #76
• Minor fix for the cost function by @magnatelee in #79
• Field reuse tunables by @magnatelee in #82
• Object cycle fix by @magnatelee in #84
• Fix for Issue 77 by @lightsighter in #78
• Bug fix for base mapper by @magnatelee in #91
• Fix import of legion CFFI by @manopapad in #97
• Fix for deferred detachments by @magnatelee in #99
• Release 21.11.00 by @marcinz in #102

New Contributors

• @marcinz made their first contribution in #18
• @jefflarkin made their first contribution in #20
• @mmccarty made their first contribution in #44
• @lightsighter made their first contribution in #78

Full Changelog: https://github.com/nv-legate/legate.core/commits/v21.11.00