Public bug reported:
[Impact]
rocwmma in Ubuntu Resolute is at version 7.1.0. Updating to 7.2.4 brings:
- Extended GPU architecture support (gfx950 FP4/BF6, gfx12 scaled MFMA/WMMA,
gfx1200/gfx1201 targets)
- New cross-lane operation backends (Shuffle, Permute, Blend, dpp
reorganization)
- New MX (Microscaling) data formats for gfx950 and gfx12
- Added gfx942 support for mfma_f64_4x4x4_f64 instruction
- Build fixes (hipcc --offload-arch compatibility, BUILD_SHARED_LIBS=ON,
address sanitizer support)
This is a header-only library with no shared libraries or SOVERSION. The update
is purely
compile-time headers — there is no runtime ABI impact on installed systems and
no transitions
are required.
[Test Plan]
1. Build rocwmma 7.2.4 in a clean Resolute chroot/container.
2. Verify the package installs cleanly and provides headers under the expected
multiarch path.
3. Confirm that reverse-dependencies (if any) build successfully against the
updated headers.
4. Verify that the installed header set matches upstream expectations (new
files for gfx950/gfx12 support present).
5. Run a basic compilation test: include <rocwmma/rocwmma.hpp> in a trivial HIP
source to confirm headers are parseable.
[Where problems could occur]
- Build-time: unlikely, as the package only installs headers via cmake with
minimal build-deps (cmake, rocm-cmake, debhelper).
- Reverse-dependency breakage: new headers could theoretically introduce
incompatibilities if downstream packages rely on removed internal API
(deprecated DataLayout::Col/Row types and non-MX fp8/bf8 datatypes for gfx950
were removed). Packages build-depending on rocwmma-dev should be test-rebuilt.
- Risk is further mitigated by the fact that gfx950 is not enabled in Resolute,
so the gfx950-specific changes have no practical effect in this series.
** Affects: rocwmma (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2156085
Title:
[SRU] Update rocwmma to 7.2.4 in Resolute
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