rocm-systems/tests/src/runtimeApi/module/hipManagedKeyword.cpp

/*
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/* HIT_START
 * BUILD_CMD: managed_kernel.code %hc --genco %S/managed_kernel.cpp -o managed_kernel.code
 * BUILD: %t %s ../../test_common.cpp
 * TEST: %t
 * HIT_END
 */

#include "hip/hip_runtime.h"
#include <iostream>
#include "test_common.h"

#define MANAGED_VAR_INIT_VALUE 10
#define fileName "managed_kernel.code"

bool managedMultiGPUTest() {
  int numDevices = 0;
  hipDeviceptr_t x;
  size_t xSize;
  int data;
  hipGetDeviceCount(&numDevices);
  for (int i = 0; i < numDevices; i++) {
    hipSetDevice(i);
    hipDevice_t device;
    hipCtx_t context;
    hipDeviceGet(&device, i);
    hipCtxCreate(&context, 0, device);
    hipModule_t Module;
    HIPCHECK(hipModuleLoad(&Module, fileName));
    hipFunction_t Function;
    HIPCHECK(hipModuleGetFunction(&Function, Module, "GPU_func"));
    HIPCHECK(hipModuleLaunchKernel(Function, 1, 1, 1, 1, 1, 1, 0, 0, NULL, NULL));
    hipDeviceSynchronize();
    HIPCHECK(hipModuleGetGlobal((hipDeviceptr_t*)&x, &xSize, Module, "x"));
    HIPCHECK(hipMemcpyDtoH(&data, hipDeviceptr_t(x), xSize));
    if (data != (1 + MANAGED_VAR_INIT_VALUE)) {
      HIPCHECK(hipModuleUnload(Module));
      hipCtxDestroy(context);
      return false;
    }
    HIPCHECK(hipModuleUnload(Module));
    hipCtxDestroy(context);
  }
  return true;
}

int main(int argc, char** argv) {
  hipInit(0);
  bool testStatus = managedMultiGPUTest();
  if (!testStatus) {
    failed("Managed keyword module test failed!");
  }
  passed();
}