Example showing globals use with module APIs

[ROCm/hip commit: d638cd4fc1]
Этот коммит содержится в:
Rahul Garg
2017-10-24 18:12:25 +05:30
родитель f52f6e53bb
Коммит bdbc4ce11c
3 изменённых файлов: 225 добавлений и 0 удалений
+17
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HIP_PATH?= $(wildcard /opt/rocm/hip)
ifeq (,$(HIP_PATH))
HIP_PATH=../../..
endif
HIPCC=$(HIP_PATH)/bin/hipcc
HIP_PLATFORM=$(shell $(HIP_PATH)/bin/hipconfig --compiler)
all: vcpy_kernel.code runKernel.hip.out
runKernel.hip.out: runKernel.cpp
$(HIPCC) $(HIPCC_FLAGS) $< -o $@
vcpy_kernel.code: vcpy_kernel.cpp
$(HIPCC) --genco $(GENCO_FLAGS) $^ -o $@
clean:
rm -f *.code *.out
+167
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/*
Copyright (c) 2017 - present Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "hip/hip_runtime.h"
#include "hip/hip_runtime_api.h"
#include <iostream>
#include <fstream>
#include <vector>
#include <hip/hip_hcc.h>
#define LEN 64
#define SIZE LEN*sizeof(float)
#define fileName "vcpy_kernel.code"
float myDeviceGlobal;
float myDeviceGlobalArray[16];
#define HIP_CHECK(cmd) \
{\
hipError_t status = cmd;\
if(status != hipSuccess) {std::cout<<"error: #"<<status<<" ("<< hipGetErrorString(status) << ") at line:"<<__LINE__<<": "<<#cmd<<std::endl;abort();}\
}
int main(){
float *A, *B;
float* Ad, *Bd;
A = new float[LEN];
B = new float[LEN];
for(uint32_t i=0;i<LEN;i++){
A[i] = i*1.0f;
B[i] = 0.0f;
}
hipInit(0);
hipDevice_t device;
hipCtx_t context;
hipDeviceGet(&device, 0);
hipCtxCreate(&context, 0, device);
hipMalloc((void**)&Ad, SIZE);
hipMalloc((void**)&Bd, SIZE);
hipMemcpyHtoD(hipDeviceptr_t(Ad), A, SIZE);
hipMemcpyHtoD((hipDeviceptr_t)(Bd), B, SIZE);
hipModule_t Module;
HIP_CHECK(hipModuleLoad(&Module, fileName));
float myDeviceGlobal_h = 42.0;
myDeviceGlobal = 42.0;
#define ARRAY_SIZE 16
float myDeviceGlobalArray_h[ARRAY_SIZE];
for (int i=0; i<ARRAY_SIZE; i++) {
myDeviceGlobalArray_h[i] = i*1000.0f;
myDeviceGlobalArray[i] = i*1000.0f;
}
#ifdef __HIP_PLATFORM_HCC__
uint32_t len = LEN;
uint32_t one = 1;
struct {
uint32_t _hidden[6]; // genco path + wrapper-gen pass use hidden arguments.
void * _Ad;
void * _Bd;
} args;
args._Ad = Ad;
args._Bd = Bd;
#endif
#ifdef __HIP_PLATFORM_NVCC__
struct {
uint32_t _hidden[1];
void * _Ad;
void * _Bd;
} args;
args._hidden[0] = 0;
args._Ad = Ad;
args._Bd = Bd;
#endif
size_t size = sizeof(args);
void *config[] = {
HIP_LAUNCH_PARAM_BUFFER_POINTER, &args,
HIP_LAUNCH_PARAM_BUFFER_SIZE, &size,
HIP_LAUNCH_PARAM_END
};
{
hipFunction_t Function;
HIP_CHECK(hipModuleGetFunction(&Function, Module, "hello_world"));
HIP_CHECK(hipModuleLaunchKernel(Function, 1, 1, 1, LEN, 1, 1, 0, 0, NULL, (void**)&config));
hipMemcpyDtoH(B, Bd, SIZE);
int mismatchCount = 0;
for(uint32_t i=0;i<LEN;i++){
if (A[i] != B[i]) {
mismatchCount++;
std::cout<<"error: mismatch " << A[i]<<" != "<<B[i]<<std::endl;
if (mismatchCount >= 10) {
break;
}
}
}
if (mismatchCount == 0) {
std::cout << "PASSED!\n";
} else {
std::cout << "FAILED!\n";
};
}
{
hipFunction_t Function;
HIP_CHECK(hipModuleGetFunction(&Function, Module, "test_globals"));
HIP_CHECK(hipModuleLaunchKernel(Function, 1, 1, 1, LEN, 1, 1, 0, 0, NULL, (void**)&config));
hipMemcpyDtoH(B, Bd, SIZE);
int mismatchCount = 0;
for(uint32_t i=0;i<LEN;i++){
float expected = A[i] + myDeviceGlobal_h + myDeviceGlobalArray_h[i%16];
if (expected != B[i]) {
mismatchCount++;
std::cout<<"error: mismatch " << expected <<" != "<<B[i]<<std::endl;
if (mismatchCount >= 10) {
break;
}
}
}
if (mismatchCount == 0) {
std::cout << "PASSED!\n";
} else {
std::cout << "FAILED!\n";
};
}
hipCtxDestroy(context);
return 0;
}
+41
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/*
Copyright (c) 2017 - present Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "hip/hip_runtime.h"
#define ARRAY_SIZE (16)
extern float myDeviceGlobal;
extern float myDeviceGlobalArray[16];;
extern "C" __global__ void hello_world(hipLaunchParm lp, const float *a, float *b)
{
int tx = hipThreadIdx_x;
b[tx] = a[tx];
}
extern "C" __global__ void test_globals(hipLaunchParm lp, const float *a, float *b)
{
int tx = hipThreadIdx_x;
b[tx] = a[tx] + myDeviceGlobal+ myDeviceGlobalArray[tx%ARRAY_SIZE] ;
}