blob: 65bcf07c7da14abbbe222009ab236a06479c2753 [file] [log] [blame]
// Copyright 2019 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#pragma once
#include <gtest/gtest.h>
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdlib>
#include <functional>
#include <random>
#include <vector>
#include <xnnpack.h>
#include <xnnpack/AlignedAllocator.h>
#include <xnnpack/params.h>
class PackMicrokernelTester {
public:
inline PackMicrokernelTester& mr(size_t mr) {
assert(mr != 0);
this->mr_ = mr;
return *this;
}
inline size_t mr() const {
return this->mr_;
}
inline PackMicrokernelTester& m(size_t m) {
assert(m != 0);
this->m_ = m;
return *this;
}
inline size_t m() const {
return this->m_;
}
inline PackMicrokernelTester& k(size_t k) {
assert(k != 0);
this->k_ = k;
return *this;
}
inline size_t k() const {
return this->k_;
}
inline PackMicrokernelTester& x_stride(size_t x_stride) {
assert(x_stride != 0);
this->x_stride_ = x_stride;
return *this;
}
inline size_t x_stride() const {
if (this->x_stride_ == 0) {
return k();
} else {
assert(this->x_stride_ >= k());
return this->x_stride_;
}
}
inline PackMicrokernelTester& iterations(size_t iterations) {
this->iterations_ = iterations;
return *this;
}
inline size_t iterations() const {
return this->iterations_;
}
void Test(xnn_x32_packx_ukernel_function packx) const {
std::random_device random_device;
auto rng = std::mt19937(random_device());
auto u32rng = std::bind(std::uniform_int_distribution<uint32_t>(), rng);
const uint32_t c = u32rng();
std::vector<uint32_t> x(k() + (m() - 1) * x_stride() + XNN_EXTRA_BYTES / sizeof(uint32_t));
std::vector<uint32_t, AlignedAllocator<uint32_t, 32>> y(mr() * k());
std::vector<uint32_t> y_ref(mr() * k());
for (size_t iteration = 0; iteration < iterations(); iteration++) {
std::generate(x.begin(), x.end(), std::ref(u32rng));
std::generate(y.begin(), y.end(), std::ref(u32rng));
// Compute reference results.
std::fill(y_ref.begin(), y_ref.end(), c);
for (size_t i = 0; i < mr(); i++) {
for (size_t j = 0; j < k(); j++) {
y_ref[j * mr() + i] = x[std::min(i, m() - 1) * x_stride() + j];
}
}
// Call optimized micro-kernel.
packx(
m(), k(),
x.data(), x_stride() * sizeof(uint32_t),
y.data());
// Verify results.
for (size_t i = 0; i < mr(); i++) {
for (size_t j = 0; j < k(); j++) {
ASSERT_EQ(y_ref[j * mr() + i], y[j * mr() + i])
<< "at pixel = " << i << ", channel = " << j << ", "
<< "m = " << m() << ", k = " << k();
}
}
}
}
private:
size_t mr_{1};
size_t m_{1};
size_t k_{1};
size_t x_stride_{0};
size_t iterations_{1};
};