v3.4.0

NVTX v3.4.0 Changelog

Core improvements:

• Introducing Rust NVTX bindings, available now from our GitHub repository.
• Add Correlation Semantic header.

Python improvements:

• Add support for NumPy arrays as payloads.
• Set up support for free-threaded Python.
• Apply NVTX_DISABLE environment variable to nvtx.Profile class.

v3.3.0

NVTX v3.3.0 Changelog

New feature:

• C++ bindings for the Payload Extension: Add custom structured data to NVTX events using idiomatic C++.

Core bugfixes:

• Remove uses of module as an identifier, fixing build issues under C++20.
• Improve return value of nvtxDomainIsEnabled when not implemented by an injection, or none is attached.

Python bugfixes:

• Fix tracing with tools that do not implement nvtxDomainIsEnabled.
• Fix decorator ranges not ending when an exception is thrown.
• Fix automatic function name annotation for decorator ranges.

v3.2.2

Bugfix release.

NVTX v3.2.2 Changelog

C headers:

• Remove uses of module as an identifier, fixing build issues under C++20.
• Improve return value of nvtxDomainIsEnabled when not implemented by an injection, or none is attached.

Python bindings:

• Fix tracing with tools that do not implement nvtxDomainIsEnabled.
• Fix decorator ranges not ending when an exception is thrown.
• Fix automatic function name annotation for decorator ranges.

v3.2.1

Maintenance release to support Python NVTX 0.2.12. No changes to C/C++ headers.

NVTX v3.2.1 Changelog

Python bindings:

• Expose API via domain object for better performance.
• No-OP when domain is disabled.
• Improved documentation.

v3.2.0

NVTX v3.2.0 Release Highlights

• Payload Extension - Add custom structured data to NVTX events such as ranges and markers, then view the data in tools with support for this extension, such as NVIDIA Nsight Systems
• Counters Extension - Record numerical quantities suitable for statistical analysis or display as a graph, table, etc
• Memory Extension - Annotate CPU and GPU memory heaps and regions in order to improve statistics, correctness checking, diagnostics, etc, for use with a tool such as NVIDIA Compute Sanitizer
• Sample Backend - A minimal code sample for building a custom tool that can collect NVTX data
• CMake fixes - Add NVTX to your project using CMake Package Manager (CPM) or conda-forge
• Compiler diagnostic messages addressed for a streamlined development experience

v3.1.1

NVTX v3.1.1 Changelog

Core headers:

• Fixed static injection feature.
• Fixed NVTX_EXPORT_API feature for building a dynamic library for the purpose of language interoperability.
• Fixed atomic operation macros on POSIX platforms.
• Fixed NVTX_INLINE_STATIC under C89.
• Extended NVTX_BUFSIZE from MAX_PATH to 16384.
• Cleaned up header includes in nvtxImpl.h, fixing build failures.
• Added test cases.

C++ bindings:

• Added [[maybe_unused]] and [[nodiscard]] attributes where appropriate.
• Fixed syntax for union members of class event_attributes default constructor.
• Applied workaround for broken SFINAE in GCC 8.1-8.3.

Python bindings:

• Reimplemented domain, string, and category caches for performance and thread safety.
• Added caching of EventAttributes objects.
• Fixed errors when building the package from source.
• Changed project structure from flat-layout to src-layout.
• Updated project metadata.

Overall project:

• Updated/fixed code comments throughout headers.
• Updated copyright header boilerplate.
• Fixed compiler warnings.
• Normalized text details such as line endings (LF), byte order markers (absent), character set (ASCII-only), and trailing whitespace (removed).