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// Copyright 2016 The Gemmlowp Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <unistd.h>
#ifdef __APPLE__
#include <sys/time.h>
#endif
#include <cstdint>
#include <cstdlib>
#include <ctime>
#include <iomanip>
#include <iostream>
#include <map>
#include <memory>
#include <vector>
#include "streams.h"
#define MUL_OFFSET (3)
#define ADD_OFFSET (100)
using namespace gemmlowp::meta;
void prepare_row_major_data(int rows, int elements, int stride, std::uint8_t* data) {
for (int i = 0; i < rows * stride; ++i) {
data[i] = 255;
}
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < elements; ++j) {
data[i * stride + j] = j % 256;
}
}
}
void prepare_column_major_data(int columns, int elements, int stride,
std::uint8_t* data) {
for (int i = 0; i < elements * stride; ++i) {
data[i] = 255;
}
for (int i = 0; i < elements; ++i) {
for (int j = 0; j < columns; ++j) {
data[i * stride + j] = i % 256;
}
}
}
void print_out(std::uint8_t* result, int rows, int elements) {
int size = rows * ((elements + 7) / 8) * 8;
for (int i = 0; i < size; ++i) {
std::cout << static_cast<int>(result[i]) << " ";
}
std::cout << std::endl << std::flush;
}
bool check(std::uint8_t* result, int rows, int elements) {
int chunks = elements / 8;
int leftover = elements % 8;
for (int i = 0; i < chunks; ++i) {
int chunk_index = i * rows * 8;
int chunk_start_value = i * 8;
for (int j = 0; j < rows; ++j) {
for (int k = 0; k < 8; ++k) {
if (result[chunk_index + j * 8 + k] != chunk_start_value + k) {
return false;
}
}
}
}
int leftover_index = chunks * rows * 8;
int leftover_start_value = chunks * 8;
for (int i = 0; i < rows; ++i) {
for (int j = 0; j < leftover; ++j) {
if (result[leftover_index + i * 8 + j] != leftover_start_value + j) {
return false;
}
}
}
int expected_sum =
((elements * (elements - 1)) / 2) * MUL_OFFSET + ADD_OFFSET;
int sums_offset = rows * ((elements + 7) / 8) * 8;
std::int32_t* sums = reinterpret_cast<std::int32_t*>(result + sums_offset);
for (int i = 0; i < rows; ++i) {
if (sums[i] != expected_sum) {
return false;
}
}
return true;
}
template <int lanes, int leftover>
void test_2(std::uint8_t* in, std::uint8_t* out) {
for (int elements = 8; elements < 64; elements += 8) {
int all_elements = elements + leftover;
for (int stride = all_elements; stride < all_elements + 4; ++stride) {
RowMajorWithSum params;
params.count = all_elements;
params.stride = stride;
params.multiplicative_sum_offset = MUL_OFFSET;
params.additive_sum_offset = ADD_OFFSET;
prepare_row_major_data(lanes, all_elements, stride, in);
Stream<std::uint8_t, lanes, 8, leftover, RowMajorWithSum>::Pack(in, params,
out);
if (check(out, lanes, all_elements)) {
// std::cout << "Row: " << lanes << "x8x" << leftover << " : "
// << all_elements << "@" << stride << " -- OK" <<
// std::endl;
} else {
std::cout << "Row: " << lanes << "x8x" << leftover << " : "
<< all_elements << "@" << stride << " -- ERROR" << std::endl;
std::cout << "Exiting." << std::endl;
std::exit(1);
}
}
for (int stride = lanes; stride < lanes + 4; ++stride) {
ColumnMajorWithSum params;
params.count = all_elements;
params.stride = stride;
params.multiplicative_sum_offset = MUL_OFFSET;
params.additive_sum_offset = ADD_OFFSET;
prepare_column_major_data(lanes, all_elements, stride, in);
Stream<std::uint8_t, lanes, 8, leftover, ColumnMajorWithSum>::Pack(in, params,
out);
if (check(out, lanes, all_elements)) {
// std::cout << "Column: " << lanes << "x8x" << leftover << " : "
// << all_elements << "@" << stride << " -- OK" <<
// std::endl;
} else {
std::cout << "Column: " << lanes << "x8x" << leftover << " : "
<< all_elements << "@" << stride << " -- ERROR" << std::endl;
std::cout << "Exiting." << std::endl;
std::exit(1);
}
}
}
}
template <int lanes>
void test(std::uint8_t* in, std::uint8_t* out) {
test_2<lanes, 0>(in, out);
test_2<lanes, 1>(in, out);
test_2<lanes, 2>(in, out);
test_2<lanes, 3>(in, out);
test_2<lanes, 4>(in, out);
test_2<lanes, 5>(in, out);
test_2<lanes, 6>(in, out);
test_2<lanes, 7>(in, out);
}
int main() {
std::unique_ptr<std::uint8_t> in(new std::uint8_t[128 * 1024]);
std::unique_ptr<std::uint8_t> out(new std::uint8_t[128 * 1024]);
test<1>(in.get(), out.get());
test<2>(in.get(), out.get());
test<3>(in.get(), out.get());
test<4>(in.get(), out.get());
test<5>(in.get(), out.get());
test<6>(in.get(), out.get());
test<7>(in.get(), out.get());
test<8>(in.get(), out.get());
std::cout << "Ok." << std::endl;
return 0;
}
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