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GPU: Raise CUDA/HIP minimum and remove legacy guards

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- Raise CUDA minimum from 9.0 to 11.4 (sm_70/Volta).
- Raise HIP minimum to GFX906 (Vega 20/MI50) / ROCm 5.6.
- Remove EIGEN_HAS_{CUDA,HIP,GPU}_FP16 guards — FP16 is always available
  on sm_70+ and GFX906+.
- Remove obsolete __HIP_ARCH_HAS_* preprocessor branches.
- C++14 cleanup: remove pre-C++14 workarounds in GPU code.
- Fix NVCC warnings (deprecated register keyword, unreachable code,
  tautological comparisons).
- Fix HIP test execution on gfx1151.
- Update CI configuration for new minimum versions.
This commit is contained in:
Rasmus Munk Larsen
2026-04-09 13:38:04 -07:00
parent e055e4e415
commit 6a9405bf7a
28 changed files with 336 additions and 700 deletions
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8
ci/build.windows.gitlab-ci.yml
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@@ -55,7 +55,7 @@ build:windows:x86-64:msvc-14.29:avx512dq:
extends: .build:windows
variables:
# Compute architectures present in the GitLab CI runners.
EIGEN_CI_CUDA_COMPUTE_ARCH: "50;75"
EIGEN_CI_CUDA_COMPUTE_ARCH: "70;75"
EIGEN_CI_BUILD_TARGET: buildtests_gpu
EIGEN_CI_ADDITIONAL_ARGS:
-DEIGEN_TEST_CUDA=on
@@ -66,8 +66,8 @@ build:windows:x86-64:msvc-14.29:avx512dq:
- x86-64
- cuda
# MSVC 14.29 + CUDA 11.4
build:windows:x86-64:cuda-11.4:msvc-14.29:
# MSVC 14.29 + CUDA 12.2
build:windows:x86-64:cuda-12.2:msvc-14.29:
extends: .build:windows:cuda
variables:
EIGEN_CI_BEFORE_SCRIPT: $$env:CUDA_PATH=$$env:CUDA_PATH_V11_4
EIGEN_CI_BEFORE_SCRIPT: $$env:CUDA_PATH=$$env:CUDA_PATH_V12_2