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Change-Id: I7e79c6058f0303f9a98911e3b7dd2e8596079344


[ROCm/hip commit: 1ba06f63c4]
This commit is contained in:
Maneesh Gupta
2018-03-12 11:29:03 +05:30
parent 52506ef382
commit 4f42ee762d
293 changed files with 43980 additions and 45830 deletions
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projects/hip/tests/src/kernel/inline_asm_vmac.cpp
+24 -37
View File
@@ -20,40 +20,31 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include<iostream>
#include <iostream>
// hip header file
#include "hip/hip_runtime.h"
#define NUM 1024
#define NUM 1024
#define THREADS_PER_BLOCK_X 4
#define THREADS_PER_BLOCK_X 4
// Device (Kernel) function, it must be void
// hipLaunchParm provides the execution configuration
__global__ void vmac_asm(hipLaunchParm lp,
float *out,
float *in)
{
__global__ void vmac_asm(hipLaunchParm lp, float* out, float* in) {
int i = blockDim.x * blockIdx.x + threadIdx.x;
asm volatile ("v_mac_f32_e32 %0, %2, %3" : "=v" (out[i]) : "0"(out[i]), "v" (a), "v" (in[i]));
asm volatile("v_mac_f32_e32 %0, %2, %3" : "=v"(out[i]) : "0"(out[i]), "v"(a), "v"(in[i]));
}
// CPU implementation of saxpy
void CPUReference(
float * output,
float * input)
{
for(unsigned int j=0; j < NUM; j++)
{
output[j]= a*input[j] + output[j];
void CPUReference(float* output, float* input) {
for (unsigned int j = 0; j < NUM; j++) {
output[j] = a * input[j] + output[j];
}
}
int main(){
int main() {
float* VectorA;
float* ResultVector;
float* VectorB;
@@ -61,8 +52,7 @@ int main(){
float* gpuVector;
float* gpuResultVector;
const float a = 10.0f
int i;
const float a = 10.0f int i;
int errors;
VectorA = (float*)malloc(NUM * sizeof(float));
@@ -71,8 +61,8 @@ int main(){
// initialize the input data
for (i = 0; i < NUM; i++) {
VectorA[i] = (float)i*10.0f;
VectorB[i] = (float)i*30.0f;
VectorA[i] = (float)i * 10.0f;
VectorB[i] = (float)i * 30.0f;
}
// allocate the memory on the device side
@@ -80,18 +70,15 @@ int main(){
hipMalloc((void**)&gpuResultVector, NUM * sizeof(float));
// Memory transfer from host to device
hipMemcpy(gpuVector, VectorA, NUM*sizeof(float), hipMemcpyHostToDevice);
hipMemcpy(gpuResultVector, VectorB, NUM*sizeof(float), hipMemcpyHostToDevice);
hipMemcpy(gpuVector, VectorA, NUM * sizeof(float), hipMemcpyHostToDevice);
hipMemcpy(gpuResultVector, VectorB, NUM * sizeof(float), hipMemcpyHostToDevice);
// Lauching kernel from host
hipLaunchKernel(vmac_asm,
dim3(NUM/THREADS_PER_BLOCK_X),
dim3(THREADS_PER_BLOCK_X),
0, 0,
gpuResultVector , gpuVector);
hipLaunchKernel(vmac_asm, dim3(NUM / THREADS_PER_BLOCK_X), dim3(THREADS_PER_BLOCK_X), 0, 0,
gpuResultVector, gpuVector);
// Memory transfer from device to host
hipMemcpy(ResultVector, gpuResultVector, NUM*sizeof(float), hipMemcpyDeviceToHost);
hipMemcpy(ResultVector, gpuResultVector, NUM * sizeof(float), hipMemcpyDeviceToHost);
// CPU Result computation
addCPUReference(VectorB, VectorA);
@@ -100,23 +87,23 @@ int main(){
errors = 0;
double eps = 1.0E-3;
for (i = 0; i < NUM; i++) {
if (std::abs(ResultVector[i] - VectorB[i]) > eps ) {
errors++;
if (std::abs(ResultVector[i] - VectorB[i]) > eps) {
errors++;
}
}
if (errors!=0) {
printf("FAILED: %d errors\n",errors);
if (errors != 0) {
printf("FAILED: %d errors\n", errors);
} else {
printf ("PASSED!\n");
printf("PASSED!\n");
}
//free the resources on device side
// free the resources on device side
hipFree(gpuVector);
hipFree(gpuResultVector);
hipDeviceReset();
//free the resources on host side
// free the resources on host side
free(VectorA);
free(ResultVector);
free(VectorB);