Files
triton/examples/cpp/dot.cpp
2019-07-19 21:32:55 -07:00

50 lines
1.7 KiB
C++

#include <cstring>
#include <cstdio>
#include "triton/runtime/jit.h"
#include "triton/driver/backend.h"
#include "triton/driver/stream.h"
#include "triton/dnn/gemm.h"
#include "triton/tools/bench.hpp"
int main() {
bool AT = false;
bool BT = true;
typedef float T;
std::string ty = "fp16";
size_t dt_nbytes = sizeof(T);
// initialize default compute device
auto context = triton::driver::backend::contexts::get_default();
// matrix multiplication parameters
int32_t M = 4096, N = 4096, K = 4096;
std::vector<T> hc(M*N);
std::vector<T> rc(M*N);
std::vector<T> ha(M*K);
std::vector<T> hb(K*N);
srand(0);
for(size_t i = 0; i < ha.size(); i++)
ha[i] = (T)rand()/RAND_MAX;
for(size_t i = 0; i < hb.size(); i++)
hb[i] = (T)rand()/RAND_MAX;
for(size_t i = 0; i < hc.size(); i++)
hc[i] = 0;
triton::driver::buffer* dc = triton::driver::buffer::create(context, hc.size()*dt_nbytes);
triton::driver::buffer* da = triton::driver::buffer::create(context, ha.size()*dt_nbytes);
triton::driver::buffer* db = triton::driver::buffer::create(context, hb.size()*dt_nbytes);
triton::driver::stream* stream = triton::driver::stream::create(context);
stream->write(da, true, 0, ha);
stream->write(db, true, 0, hb);
stream->write(dc, true, 0, hc);
stream->synchronize();
triton::dnn::gemm gemm(M, N, K, AT, BT, ty, ty, 4, 4);
gemm.enqueue(stream, {da, db, dc}, true);
// stream->read(dc, true, 0, hc);
// gemm.cpu_ref<T>(rc, ha, hb);
// for(size_t i = 0; i < M*N; i++)
// if(std::isnan(hc[i]) || std::abs(hc[i] - rc[i])/std::max(hc[i], rc[i]) > 1e-4){
// std::cout << i << " " << hc[i] << " " << rc[i] << std::endl;
// exit(EXIT_FAILURE);
// }
// std::cout << "Pass!" << std::endl;
}