Files
rocm-systems/tests/unit_tests/wavefront_size_gtest.cpp
T
Edgar Gabriel d0c2845031 add support for GPUs using wavefront size of 32 (#285)
* add gfx1100 support

Add support for Radeon 7900 GPUs (RX and PRO), and 7800 PRO.

I was contemplating to add gfx1101 and gfx1102 GPUs as well, but those are the lower end models that are more unlikely to be used for compute intensive jobs. In addition, I do not have access to them to test the support.

* update WF_SIZe for different options

Radeon systems use a WarpSize of 32, unlike current Instinct systems,
which use a warp size of 64. For the device side, a gfx specific ifdef
is sufficient. For the host side, we need to query the device
properties.

* adjust functional tests to wf_size of 32

* update unit tests to handle wf_size of 32

* address reviewer comments
2025-10-22 16:04:58 -05:00

62 lines
2.1 KiB
C++

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#include "wavefront_size_gtest.hpp"
#include "../src/util.hpp"
using namespace rocshmem;
__global__ void check_wf_size(int wf_size_prop, int *ret) {
if (wf_size_prop == WF_SIZE) {
*ret = 0;
} else {
*ret = 1;
}
}
TEST_F(WavefrontSizeTestFixture, constant_matches_runtime) {
int device_count = 0;
hipDeviceProp_t prop;
int *ret;
CHECK_HIP(hipGetDeviceCount(&device_count));
ASSERT_GT(device_count, 0);
CHECK_HIP(hipHostMalloc(&ret, sizeof(int), 0));
for (int i = 0; i < device_count; i++) {
*ret = -1;
CHECK_HIP(hipSetDevice(i));
CHECK_HIP(hipGetDeviceProperties(&prop, i));
check_wf_size<<<1, 1>>>(prop.warpSize, ret);
CHECK_HIP(hipDeviceSynchronize());
ASSERT_EQ(*ret, 0);
}
CHECK_HIP(hipHostFree(ret));
}