mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-05 10:49:01 +08:00
8e7b1119b5
Hopefully this improves the test coverage. Signed-off-by: Stefan Weil <sw@weilnetz.de>
131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
///////////////////////////////////////////////////////////////////////
|
|
// File: intsimdmatrix_test.cc
|
|
// Author: rays@google.com (Ray Smith)
|
|
//
|
|
// Copyright 2017 Google Inc. 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 "intsimdmatrix.h"
|
|
#include <memory>
|
|
#include "genericvector.h"
|
|
#include "include_gunit.h"
|
|
#include "matrix.h"
|
|
#include "simddetect.h"
|
|
#include "tprintf.h"
|
|
|
|
namespace tesseract {
|
|
namespace {
|
|
|
|
class IntSimdMatrixTest : public ::testing::Test {
|
|
protected:
|
|
void SetUp() {
|
|
std::locale::global(std::locale(""));
|
|
}
|
|
|
|
// Makes a random weights matrix of the given size.
|
|
GENERIC_2D_ARRAY<int8_t> InitRandom(int no, int ni) {
|
|
GENERIC_2D_ARRAY<int8_t> a(no, ni, 0);
|
|
for (int i = 0; i < no; ++i) {
|
|
for (int j = 0; j < ni; ++j) {
|
|
a(i, j) = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
|
|
}
|
|
}
|
|
return a;
|
|
}
|
|
// Makes a random input vector of the given size, with rounding up.
|
|
std::vector<int8_t> RandomVector(int size, const IntSimdMatrix& matrix) {
|
|
int rounded_size = matrix.RoundInputs(size);
|
|
std::vector<int8_t> v(rounded_size, 0);
|
|
for (int i = 0; i < size; ++i) {
|
|
v[i] = static_cast<int8_t>(random_.SignedRand(INT8_MAX));
|
|
}
|
|
return v;
|
|
}
|
|
// Makes a random scales vector of the given size.
|
|
GenericVector<double> RandomScales(int size) {
|
|
GenericVector<double> v(size, 0.0);
|
|
for (int i = 0; i < size; ++i) {
|
|
v[i] = 1.0 + random_.SignedRand(1.0);
|
|
}
|
|
return v;
|
|
}
|
|
// Tests a range of sizes and compares the results against the generic version.
|
|
void ExpectEqualResults(const IntSimdMatrix& matrix) {
|
|
double total = 0.0;
|
|
for (int num_out = 1; num_out < 130; ++num_out) {
|
|
for (int num_in = 1; num_in < 130; ++num_in) {
|
|
GENERIC_2D_ARRAY<int8_t> w = InitRandom(num_out, num_in + 1);
|
|
std::vector<int8_t> u = RandomVector(num_in, matrix);
|
|
GenericVector<double> scales = RandomScales(num_out);
|
|
std::vector<double> base_result(num_out);
|
|
IntSimdMatrix::MatrixDotVector(w, scales, u.data(), base_result.data());
|
|
std::vector<double> test_result(num_out);
|
|
std::vector<int8_t> shaped_wi;
|
|
matrix.Init(w, shaped_wi);
|
|
if (matrix.matrixDotVectorFunction) {
|
|
matrix.matrixDotVectorFunction(w.dim1(), w.dim2(), &shaped_wi[0],
|
|
&scales[0], &u[0], &test_result[0]);
|
|
} else {
|
|
IntSimdMatrix::MatrixDotVector(w, scales, u.data(), test_result.data());
|
|
}
|
|
for (int i = 0; i < num_out; ++i) {
|
|
EXPECT_FLOAT_EQ(base_result[i], test_result[i]) << "i=" << i;
|
|
total += base_result[i];
|
|
}
|
|
}
|
|
}
|
|
// Compare sum of all results with expected value.
|
|
EXPECT_FLOAT_EQ(total, -423243.392011);
|
|
}
|
|
|
|
TRand random_;
|
|
};
|
|
|
|
// Test the C++ implementation without SIMD.
|
|
TEST_F(IntSimdMatrixTest, C) {
|
|
static const IntSimdMatrix matrix = {nullptr, 1, 1, 1, 1};
|
|
ExpectEqualResults(matrix);
|
|
}
|
|
|
|
// Tests that the SSE implementation gets the same result as the vanilla.
|
|
TEST_F(IntSimdMatrixTest, SSE) {
|
|
#if defined(SSE4_1)
|
|
if (SIMDDetect::IsSSEAvailable()) {
|
|
tprintf("SSE found! Continuing...");
|
|
} else {
|
|
tprintf("No SSE found! Not tested!");
|
|
return;
|
|
}
|
|
ExpectEqualResults(IntSimdMatrix::intSimdMatrixSSE);
|
|
#else
|
|
tprintf("SSE unsupported! Not tested!");
|
|
#endif
|
|
}
|
|
|
|
// Tests that the AVX2 implementation gets the same result as the vanilla.
|
|
TEST_F(IntSimdMatrixTest, AVX2) {
|
|
#if defined(AVX2)
|
|
if (SIMDDetect::IsAVX2Available()) {
|
|
tprintf("AVX2 found! Continuing...");
|
|
} else {
|
|
tprintf("No AVX2 found! Not tested!");
|
|
return;
|
|
}
|
|
ExpectEqualResults(IntSimdMatrix::intSimdMatrixAVX2);
|
|
#else
|
|
tprintf("AVX2 unsupported! Not tested!");
|
|
#endif
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace tesseract
|