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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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7
unsupported/test/cxx11_tensor_of_float16_gpu.cu
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@@ -53,8 +53,6 @@ void test_gpu_numext() {
gpu_device.deallocate(d_res_float);
}
#ifdef EIGEN_HAS_GPU_FP16
template <typename>
void test_gpu_conversion() {
Eigen::GpuStreamDevice stream;
@@ -442,12 +440,10 @@ void test_gpu_forced_evals() {
gpu_device.deallocate(d_res_half2);
gpu_device.deallocate(d_res_float);
}
#endif
EIGEN_DECLARE_TEST(cxx11_tensor_of_float16_gpu) {
CALL_SUBTEST_1(test_gpu_numext<void>());
#ifdef EIGEN_HAS_GPU_FP16
CALL_SUBTEST_1(test_gpu_conversion<void>());
CALL_SUBTEST_1(test_gpu_unary<void>());
CALL_SUBTEST_1(test_gpu_elementwise<void>());
@@ -456,7 +452,4 @@ EIGEN_DECLARE_TEST(cxx11_tensor_of_float16_gpu) {
CALL_SUBTEST_3(test_gpu_reductions<void>());
CALL_SUBTEST_4(test_gpu_full_reductions<void>());
CALL_SUBTEST_5(test_gpu_forced_evals<void>());
#else
std::cout << "Half floats are not supported by this version of gpu: skipping the test" << std::endl;
#endif
}