Fabian
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/**
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* Minimal HIP diagnostic — step-by-step GPU compute validation
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* Tests each operation individually with timeout awareness
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*
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* Compile: hipcc --offload-arch=gfx1010 -o hip_minimal_test hip_minimal_test.cpp
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* Run: HSA_OVERRIDE_GFX_VERSION=10.1.0 ./hip_minimal_test
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*/
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#include <hip/hip_runtime.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#define HIP_CHECK(call) do { \
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hipError_t err = call; \
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if (err != hipSuccess) { \
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fprintf(stderr, "HIP ERROR [%d]: %s at %s:%d\n", \
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(int)err, hipGetErrorString(err), __FILE__, __LINE__); \
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exit(1); \
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} \
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} while(0)
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__global__ void simpleKernel(int* out) {
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out[threadIdx.x] = threadIdx.x * 2;
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}
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int main() {
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setbuf(stdout, NULL); // Force unbuffered output
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setbuf(stderr, NULL);
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printf("STEP 0: HIP init\n");
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int count;
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HIP_CHECK(hipGetDeviceCount(&count));
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printf(" Devices: %d\n", count);
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hipDeviceProp_t p;
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HIP_CHECK(hipGetDeviceProperties(&p, 0));
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printf(" Device: %s, CU=%d, Mem=%zuMB, isIntegrated=%d\n",
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p.name, p.multiProcessorCount, p.totalGlobalMem/(1024*1024), p.integrated);
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printf("STEP 1: hipMalloc (small: 256 bytes)\n");
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int *d_buf = nullptr;
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HIP_CHECK(hipMalloc(&d_buf, 256));
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printf(" OK: d_buf=%p\n", (void*)d_buf);
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printf("STEP 2: hipMemset\n");
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HIP_CHECK(hipMemset(d_buf, 0, 256));
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printf(" OK\n");
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printf("STEP 3: hipMemcpy H2D (64 ints)\n");
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int h_buf[64];
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for (int i = 0; i < 64; i++) h_buf[i] = i + 100;
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HIP_CHECK(hipMemcpy(d_buf, h_buf, 256, hipMemcpyHostToDevice));
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printf(" OK\n");
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printf("STEP 4: Launch kernel (1 block, 32 threads)\n");
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simpleKernel<<<1, 32>>>(d_buf);
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HIP_CHECK(hipGetLastError());
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printf(" Launched\n");
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printf("STEP 5: hipDeviceSynchronize\n");
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HIP_CHECK(hipDeviceSynchronize());
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printf(" OK\n");
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printf("STEP 6: hipMemcpy D2H\n");
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int h_out[64];
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memset(h_out, 0, 256);
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HIP_CHECK(hipMemcpy(h_out, d_buf, 128, hipMemcpyDeviceToHost));
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printf(" OK\n");
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printf("STEP 7: Verify results\n");
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int pass = 1;
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for (int i = 0; i < 32; i++) {
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if (h_out[i] != i * 2) {
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printf(" FAIL: h_out[%d]=%d expected %d\n", i, h_out[i], i*2);
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pass = 0;
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}
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}
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if (pass) printf(" ALL 32 VALUES CORRECT\n");
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HIP_CHECK(hipFree(d_buf));
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printf("\nRESULT: %s\n", pass ? "PASS — ROCm HIP COMPUTE WORKS" : "FAIL");
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return pass ? 0 : 1;
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}
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