tesseract/unittest/intsimdmatrix_test.cc

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///////////////////////////////////////////////////////////////////////
// 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:
// 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) {
Use POSIX data types and macros (#878) * api: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccmain: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccstruct: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * classify: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * cutil: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * dict: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * textord: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * training: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * wordrec: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccutil: Replace Tesseract data types by POSIX data types Now all Tesseract data types which are no longer needed can be removed from ccutil/host.h. Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccmain: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccstruct: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * classify: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * dict: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * lstm: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * textord: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * wordrec: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccutil: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Remove the macros which are now unused from ccutil/host.h. Remove also the obsolete history comments. Signed-off-by: Stefan Weil <sw@weilnetz.de> * Fix build error caused by ambiguous ClipToRange Error message vom Appveyor CI: C:\projects\tesseract\ccstruct\coutln.cpp(818): error C2672: 'ClipToRange': no matching overloaded function found [C:\projects\tesseract\build\libtesseract.vcxproj] C:\projects\tesseract\ccstruct\coutln.cpp(818): error C2782: 'T ClipToRange(const T &,const T &,const T &)': template parameter 'T' is ambiguous [C:\projects\tesseract\build\libtesseract.vcxproj] c:\projects\tesseract\ccutil\helpers.h(122): note: see declaration of 'ClipToRange' C:\projects\tesseract\ccstruct\coutln.cpp(818): note: could be 'char' C:\projects\tesseract\ccstruct\coutln.cpp(818): note: or 'int' Signed-off-by: Stefan Weil <sw@weilnetz.de> * unittest: Replace Tesseract's MAX_INT8 by POSIX INT8_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * arch: Replace Tesseract's MAX_INT8 by POSIX INT8_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de>
2018-03-14 04:36:30 +08:00
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) {
Use POSIX data types and macros (#878) * api: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccmain: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccstruct: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * classify: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * cutil: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * dict: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * textord: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * training: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * wordrec: Replace Tesseract data types by POSIX data types Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccutil: Replace Tesseract data types by POSIX data types Now all Tesseract data types which are no longer needed can be removed from ccutil/host.h. Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccmain: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccstruct: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * classify: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * dict: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * lstm: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * textord: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * wordrec: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * ccutil: Replace Tesseract's MIN_*INT, MAX_*INT* by POSIX *INT*_MIN, *INT*_MAX Remove the macros which are now unused from ccutil/host.h. Remove also the obsolete history comments. Signed-off-by: Stefan Weil <sw@weilnetz.de> * Fix build error caused by ambiguous ClipToRange Error message vom Appveyor CI: C:\projects\tesseract\ccstruct\coutln.cpp(818): error C2672: 'ClipToRange': no matching overloaded function found [C:\projects\tesseract\build\libtesseract.vcxproj] C:\projects\tesseract\ccstruct\coutln.cpp(818): error C2782: 'T ClipToRange(const T &,const T &,const T &)': template parameter 'T' is ambiguous [C:\projects\tesseract\build\libtesseract.vcxproj] c:\projects\tesseract\ccutil\helpers.h(122): note: see declaration of 'ClipToRange' C:\projects\tesseract\ccstruct\coutln.cpp(818): note: could be 'char' C:\projects\tesseract\ccstruct\coutln.cpp(818): note: or 'int' Signed-off-by: Stefan Weil <sw@weilnetz.de> * unittest: Replace Tesseract's MAX_INT8 by POSIX INT8_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de> * arch: Replace Tesseract's MAX_INT8 by POSIX INT8_MAX Signed-off-by: Stefan Weil <sw@weilnetz.de>
2018-03-14 04:36:30 +08:00
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