blob: 37d8d0286935d3852f5877858fe18013f9659949 [file] [log] [blame]
// Copyright (c) Facebook, Inc. and its affiliates.
// All rights reserved.
//
// 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 <array>
#include <cassert>
#include <cstddef>
#include <cstdlib>
#include <functional>
#include <limits>
#include <random>
#include <vector>
#include <xnnpack/common.h>
#include <xnnpack/params.h>
class LUTMicrokernelTester {
public:
inline LUTMicrokernelTester& batch_size(size_t batch_size) {
assert(batch_size != 0);
this->batch_size_ = batch_size;
return *this;
}
inline size_t batch_size() const {
return this->batch_size_;
}
inline LUTMicrokernelTester& inplace(bool inplace) {
this->inplace_ = inplace;
return *this;
}
inline bool inplace() const {
return this->inplace_;
}
inline LUTMicrokernelTester& iterations(size_t iterations) {
this->iterations_ = iterations;
return *this;
}
inline size_t iterations() const {
return this->iterations_;
}
void Test(xnn_x8_lut_ukernel_function lut) const {
std::random_device random_device;
auto rng = std::mt19937(random_device());
auto u8rng = std::bind(
std::uniform_int_distribution<uint32_t>(0, std::numeric_limits<uint8_t>::max()), std::ref(rng));
std::vector<uint8_t> x(batch_size() + XNN_EXTRA_BYTES / sizeof(uint8_t));
XNN_ALIGN(64) std::array<uint8_t, 256> t;
std::vector<uint8_t> y(batch_size() + (inplace() ? XNN_EXTRA_BYTES / sizeof(uint8_t) : 0));
std::vector<uint8_t> y_ref(batch_size());
for (size_t iteration = 0; iteration < iterations(); iteration++) {
std::generate(x.begin(), x.end(), std::ref(u8rng));
std::generate(t.begin(), t.end(), std::ref(u8rng));
if (inplace()) {
std::generate(y.begin(), y.end(), std::ref(u8rng));
} else {
std::fill(y.begin(), y.end(), 0xA5);
}
const uint8_t* x_data = inplace() ? y.data() : x.data();
// Compute reference results.
for (size_t i = 0; i < batch_size(); i++) {
y_ref[i] = t[x_data[i]];
}
// Call optimized micro-kernel.
lut(batch_size(), x_data, y.data(), t.data());
// Verify results.
for (size_t i = 0; i < batch_size(); i++) {
ASSERT_EQ(uint32_t(y_ref[i]), uint32_t(y[i]))
<< "at position " << i << " / " << batch_size();
}
}
}
private:
size_t batch_size_{1};
bool inplace_{false};
size_t iterations_{15};
};