pytorch/test/cpp/jit/test_interpreter.cpp
Michael Suo dfdb86a595 big cpp test reorg (#24801)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/24801

This is to fix the ODR-violations in fbcode static builds, which have been broken for several months.

This PR is unfortunately quite large, but the changes are only mechanical:
1. Tests defined in header files -> tests defined in cpp files
2. Remove the `torch::jit::testing` namespace -> `torch::jit`.
3. Single `test.h` file that aggregates all tests.
4. Separate out files for gtest and python versions of the tests instead of using a build flag
5. Add a readme for how to add a new test, and explaining a bit about why the cpp tests are the way they are.

Test Plan: Imported from OSS

Differential Revision: D16878605

Pulled By: suo

fbshipit-source-id: 27b5c077dadd990a5f74e25d01731f9c1f491603
2019-08-18 16:49:56 -07:00

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#include "test/cpp/jit/test_base.h"
#include "test/cpp/jit/test_utils.h"
namespace torch {
namespace jit {
void testInterp() {
constexpr int batch_size = 4;
constexpr int input_size = 256;
constexpr int seq_len = 32;
int hidden_size = 2 * input_size;
auto input = at::randn({seq_len, batch_size, input_size}, at::kCUDA);
auto hx = at::randn({batch_size, hidden_size}, at::kCUDA);
auto cx = at::randn({batch_size, hidden_size}, at::kCUDA);
auto w_ih = t_def(at::randn({4 * hidden_size, input_size}, at::kCUDA));
auto w_hh = t_def(at::randn({4 * hidden_size, hidden_size}, at::kCUDA));
auto lstm_g = build_lstm();
Code lstm_function(lstm_g);
InterpreterState lstm_interp(lstm_function);
auto outputs = run(lstm_interp, {input[0], hx, cx, w_ih, w_hh});
std::tie(hx, cx) = lstm(input[0], hx, cx, w_ih, w_hh);
// std::cout << almostEqual(outputs[0],hx) << "\n";
ASSERT_TRUE(exactlyEqual(outputs[0], hx));
ASSERT_TRUE(exactlyEqual(outputs[1], cx));
}
} // namespace jit
} // namespace torch