Files
triton/examples/cpp/shift.cpp
2019-07-15 21:03:58 -07:00

80 lines
2.6 KiB
C++

#include <cstring>
#include <cstdio>
#include <sstream>
#include "triton/runtime/jit.h"
#include "triton/driver/backend.h"
#include "triton/driver/stream.h"
#include "triton/tools/bench.hpp"
#include "triton/dnn/shift.h"
#include "triton/external/half.hpp"
int main() {
typedef float NumericT;
std::string numeric_t_str = "fp16";
// initialize default compute device
auto context = triton::driver::backend::contexts::get_default();
auto op = triton::dnn::shift::WGRAD;
// initialization
int32_t R = 3, S = 3;
int32_t B = 128, F = 128;
int32_t H = 16, W = 16;
int32_t C = 128;
// random shifts
std::vector<int32_t> shift_h(C);
std::vector<int32_t> shift_w(C);
for(int32_t c = 0; c < C; c++){
shift_h[c] = rand() % R - R/2;
shift_w[c] = rand() % S - S/2;
}
// configuration
triton::dnn::shift shift(B, C, 1, H, W, 1, R, S, F, 1, 1,
shift_h.data(), shift_w.data(),
numeric_t_str, numeric_t_str,
op, false, triton::dnn::shift::NCHW);
// host buffers
size_t a_size = B*C*H*W;
size_t b_size = C*F;
size_t c_size = B*F*H*W;
if(op == triton::dnn::shift::BPROP)
std::swap(a_size, c_size);
if(op == triton::dnn::shift::WGRAD){
std::swap(b_size, c_size);
std::swap(a_size, b_size);
}
std::vector<NumericT> ha(a_size);
std::vector<NumericT> hb(b_size);
std::vector<float> hc(c_size);
std::vector<float> rc(hc.size());
// device buffers
triton::driver::buffer* dc = triton::driver::buffer::create(context, hc.size()*4);
triton::driver::buffer* da = triton::driver::buffer::create(context, ha.size()*sizeof(NumericT));
triton::driver::buffer* db = triton::driver::buffer::create(context, hb.size()*sizeof(NumericT));
triton::driver::stream* stream = triton::driver::stream::create(context);
// initialize host
srand(0);
for(size_t i = 0; i < ha.size(); i++)
ha[i] = (NumericT)rand() / RAND_MAX;
for(size_t i = 0; i < hb.size(); i++)
hb[i] = (NumericT)rand() / RAND_MAX;
for(size_t i = 0; i < hc.size(); i++)
hc[i] = 0;
// initialize device
stream->write(da, true, 0, ha);
stream->write(db, true, 0, hb);
stream->write(dc, true, 0, hc);
stream->synchronize();
shift.enqueue(stream, {da, db, dc}, true);
// stream->read(dc, true, 0, hc);
// shift.cpu_ref(rc.data(), ha.data(), hb.data());
// for(size_t i = 0; i < hc.size(); 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;
}