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HIP: Only call rocblas_initialize on rocblas versions with the multiple instantation bug (#11080)

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This disables the workaround on rocblas fixed versions (>=4.0.0) to eliminate the runtime cost and unnecessary VRAM allocation of loading all tensile objects.
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Nikita Sarychev 2025-01-28 07:42:20 -08:00 committed by GitHub
parent 7fee2889e6
commit cae9fb4361
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1 changed files with 20 additions and 2 deletions
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22
ggml/src/ggml-cuda/ggml-cuda.cu
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@ -42,6 +42,7 @@
#include <algorithm>
#include <array>
#include <atomic>
#include <charconv>
#include <cinttypes>
#include <cstddef>
#include <cstdint>
@ -172,8 +173,25 @@ static ggml_cuda_device_info ggml_cuda_init() {
#ifdef __HIP_PLATFORM_AMD__
// Workaround for a rocBLAS bug when using multiple graphics cards:
// https://github.com/ROCmSoftwarePlatform/rocBLAS/issues/1346
rocblas_initialize();
CUDA_CHECK(cudaDeviceSynchronize());
{
int major_version = 0;
size_t version_length = 0;
if (rocblas_get_version_string_size(&version_length) == rocblas_status_success) {
std::string version(version_length, '\0');
if (rocblas_get_version_string(version.data(), version.size()) == rocblas_status_success) {
version.resize(::strlen(version.c_str()));
int parsed_value = 0;
if (std::from_chars(version.c_str(), version.c_str() + version.length(), parsed_value).ec == std::errc()) {
major_version = parsed_value;
}
}
}
if (major_version < 4) {
GGML_LOG_DEBUG(GGML_CUDA_NAME " calling rocblas_initialize as a workaround for a rocBLAS bug\n");
rocblas_initialize();
CUDA_CHECK(cudaDeviceSynchronize());
}
}
#endif
ggml_cuda_device_info info = {};