Mercurial > hgrepos > Python2 > PyMuPDF
annotate mupdf-source/thirdparty/tesseract/src/arch/simddetect.cpp @ 29:f76e6575dca9 v1.26.4+1
+++++ v1.26.4+1
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Fri, 19 Sep 2025 19:59:23 +0200 |
| parents | b50eed0cc0ef |
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| rev | line source |
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1 /////////////////////////////////////////////////////////////////////// |
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2 // File: simddetect.cpp |
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3 // Description: Architecture detector. |
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4 // Author: Stefan Weil (based on code from Ray Smith) |
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5 // |
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6 // (C) Copyright 2014, Google Inc. |
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7 // Licensed under the Apache License, Version 2.0 (the "License"); |
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8 // you may not use this file except in compliance with the License. |
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9 // You may obtain a copy of the License at |
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10 // http://www.apache.org/licenses/LICENSE-2.0 |
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11 // Unless required by applicable law or agreed to in writing, software |
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12 // distributed under the License is distributed on an "AS IS" BASIS, |
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13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 // See the License for the specific language governing permissions and |
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15 // limitations under the License. |
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16 /////////////////////////////////////////////////////////////////////// |
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17 |
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18 #ifdef HAVE_CONFIG_H |
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19 # include "config_auto.h" // for HAVE_AVX, ... |
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20 #endif |
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21 #include <numeric> // for std::inner_product |
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22 #include "dotproduct.h" |
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23 #include "intsimdmatrix.h" // for IntSimdMatrix |
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24 #include "params.h" // for STRING_VAR |
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25 #include "simddetect.h" |
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26 #include "tprintf.h" // for tprintf |
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27 |
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28 #if !defined(__clang__) && defined(__GNUC__) && (__GNUC__ < 12) |
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29 // The GNU compiler g++ fails to compile with the Accelerate framework |
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30 // (tested with versions 10 and 11), so unconditionally disable it. |
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31 #undef HAVE_FRAMEWORK_ACCELERATE |
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32 #endif |
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33 |
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34 #if defined(HAVE_FRAMEWORK_ACCELERATE) |
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35 |
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36 // Use Apple Accelerate framework. |
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37 // https://developer.apple.com/documentation/accelerate/simd |
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38 |
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39 #include <Accelerate/Accelerate.h> |
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40 |
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41 #endif |
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42 |
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43 #if defined(HAVE_AVX) || defined(HAVE_AVX2) || defined(HAVE_FMA) || defined(HAVE_SSE4_1) |
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44 // See https://en.wikipedia.org/wiki/CPUID. |
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45 # define HAS_CPUID |
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46 #endif |
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47 |
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48 #if defined(HAS_CPUID) |
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49 # if defined(__GNUC__) |
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50 # include <cpuid.h> |
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51 # elif defined(_WIN32) |
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52 # include <intrin.h> |
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53 # endif |
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54 #endif |
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55 |
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56 #if defined(HAVE_NEON) && !defined(__aarch64__) |
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57 # if defined(HAVE_ANDROID_GETCPUFAMILY) |
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58 # include <cpu-features.h> |
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59 # elif defined(HAVE_GETAUXVAL) |
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60 # include <asm/hwcap.h> |
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61 # include <sys/auxv.h> |
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62 # elif defined(HAVE_ELF_AUX_INFO) |
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63 # include <sys/auxv.h> |
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64 # include <sys/elf.h> |
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65 # endif |
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66 #endif |
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67 |
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68 #if defined(HAVE_RVV) |
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69 # if defined(HAVE_GETAUXVAL) |
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70 # include <sys/auxv.h> |
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71 # define HWCAP_RV(letter) (1ul << ((letter) - 'A')) |
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72 # endif |
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73 #endif |
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74 |
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75 namespace tesseract { |
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76 |
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77 // Computes and returns the dot product of the two n-vectors u and v. |
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78 // Note: because the order of addition is different among the different dot |
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79 // product functions, the results can (and do) vary slightly (although they |
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80 // agree to within about 4e-15). This produces different results when running |
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81 // training, despite all random inputs being precisely equal. |
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82 // To get consistent results, use just one of these dot product functions. |
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83 // On a test multi-layer network, serial is 57% slower than SSE, and AVX |
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84 // is about 8% faster than SSE. This suggests that the time is memory |
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85 // bandwidth constrained and could benefit from holding the reused vector |
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86 // in AVX registers. |
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87 DotProductFunction DotProduct; |
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88 |
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89 static STRING_VAR(dotproduct, "auto", "Function used for calculation of dot product"); |
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90 |
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91 SIMDDetect SIMDDetect::detector; |
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92 |
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93 #if defined(__aarch64__) |
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94 // ARMv8 always has NEON. |
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95 bool SIMDDetect::neon_available_ = true; |
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96 #elif defined(HAVE_NEON) |
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97 // If true, then Neon has been detected. |
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98 bool SIMDDetect::neon_available_; |
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99 #elif defined(HAVE_RVV) |
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100 bool SIMDDetect::rvv_available_; |
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101 #else |
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102 // If true, then AVX has been detected. |
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103 bool SIMDDetect::avx_available_; |
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104 bool SIMDDetect::avx2_available_; |
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105 bool SIMDDetect::avx512F_available_; |
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106 bool SIMDDetect::avx512BW_available_; |
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107 bool SIMDDetect::avx512VNNI_available_; |
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108 // If true, then FMA has been detected. |
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109 bool SIMDDetect::fma_available_; |
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110 // If true, then SSe4.1 has been detected. |
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111 bool SIMDDetect::sse_available_; |
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112 #endif |
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113 |
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114 #if defined(HAVE_FRAMEWORK_ACCELERATE) |
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115 static TFloat DotProductAccelerate(const TFloat* u, const TFloat* v, int n) { |
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116 TFloat total = 0; |
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117 const int stride = 1; |
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118 #if defined(FAST_FLOAT) |
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119 vDSP_dotpr(u, stride, v, stride, &total, n); |
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120 #else |
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121 vDSP_dotprD(u, stride, v, stride, &total, n); |
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122 #endif |
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123 return total; |
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124 } |
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125 #endif |
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126 |
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127 // Computes and returns the dot product of the two n-vectors u and v. |
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128 static TFloat DotProductGeneric(const TFloat *u, const TFloat *v, int n) { |
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129 TFloat total = 0; |
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130 for (int k = 0; k < n; ++k) { |
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131 total += u[k] * v[k]; |
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132 } |
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133 return total; |
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134 } |
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135 |
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136 // Compute dot product using std::inner_product. |
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137 static TFloat DotProductStdInnerProduct(const TFloat *u, const TFloat *v, int n) { |
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138 return std::inner_product(u, u + n, v, static_cast<TFloat>(0)); |
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139 } |
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140 |
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141 static void SetDotProduct(DotProductFunction f, const IntSimdMatrix *m = nullptr) { |
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142 DotProduct = f; |
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143 IntSimdMatrix::intSimdMatrix = m; |
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144 } |
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145 |
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146 // Constructor. |
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147 // Tests the architecture in a system-dependent way to detect AVX, SSE and |
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148 // any other available SIMD equipment. |
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149 // __GNUC__ is also defined by compilers that include GNU extensions such as |
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150 // clang. |
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151 SIMDDetect::SIMDDetect() { |
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152 // The fallback is a generic dot product calculation. |
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153 SetDotProduct(DotProductGeneric); |
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154 |
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155 #if defined(HAS_CPUID) |
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156 # if defined(__GNUC__) |
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157 unsigned int eax, ebx, ecx, edx; |
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158 if (__get_cpuid(1, &eax, &ebx, &ecx, &edx) != 0) { |
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159 // Note that these tests all use hex because the older compilers don't have |
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160 // the newer flags. |
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161 # if defined(HAVE_SSE4_1) |
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162 sse_available_ = (ecx & 0x00080000) != 0; |
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163 # endif |
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164 # if defined(HAVE_AVX) || defined(HAVE_AVX2) || defined(HAVE_FMA) |
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165 auto xgetbv = []() { |
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166 uint32_t xcr0; |
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167 __asm__("xgetbv" : "=a"(xcr0) : "c"(0) : "%edx"); |
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168 return xcr0; |
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169 }; |
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170 if ((ecx & 0x08000000) && ((xgetbv() & 6) == 6)) { |
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171 // OSXSAVE bit is set, XMM state and YMM state are fine. |
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172 # if defined(HAVE_FMA) |
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173 fma_available_ = (ecx & 0x00001000) != 0; |
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174 # endif |
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175 # if defined(HAVE_AVX) |
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176 avx_available_ = (ecx & 0x10000000) != 0; |
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177 if (avx_available_) { |
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178 // There is supposed to be a __get_cpuid_count function, but this is all |
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179 // there is in my cpuid.h. It is a macro for an asm statement and cannot |
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180 // be used inside an if. |
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181 __cpuid_count(7, 0, eax, ebx, ecx, edx); |
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182 avx2_available_ = (ebx & 0x00000020) != 0; |
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183 avx512F_available_ = (ebx & 0x00010000) != 0; |
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184 avx512BW_available_ = (ebx & 0x40000000) != 0; |
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185 avx512VNNI_available_ = (ecx & 0x00000800) != 0; |
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186 } |
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187 # endif |
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188 } |
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189 # endif |
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190 } |
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191 # elif defined(_WIN32) |
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192 int cpuInfo[4]; |
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193 int max_function_id; |
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194 __cpuid(cpuInfo, 0); |
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195 max_function_id = cpuInfo[0]; |
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196 if (max_function_id >= 1) { |
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197 __cpuid(cpuInfo, 1); |
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198 # if defined(HAVE_SSE4_1) |
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199 sse_available_ = (cpuInfo[2] & 0x00080000) != 0; |
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200 # endif |
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201 # if defined(HAVE_AVX) || defined(HAVE_AVX2) || defined(HAVE_FMA) |
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202 if ((cpuInfo[2] & 0x08000000) && ((_xgetbv(0) & 6) == 6)) { |
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203 // OSXSAVE bit is set, XMM state and YMM state are fine. |
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204 # if defined(HAVE_FMA) |
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205 fma_available_ = (cpuInfo[2] & 0x00001000) != 0; |
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206 # endif |
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207 # if defined(HAVE_AVX) |
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208 avx_available_ = (cpuInfo[2] & 0x10000000) != 0; |
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209 # endif |
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210 # if defined(HAVE_AVX2) |
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211 if (max_function_id >= 7) { |
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212 __cpuid(cpuInfo, 7); |
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213 avx2_available_ = (cpuInfo[1] & 0x00000020) != 0; |
|
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214 avx512F_available_ = (cpuInfo[1] & 0x00010000) != 0; |
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215 avx512BW_available_ = (cpuInfo[1] & 0x40000000) != 0; |
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216 avx512VNNI_available_ = (cpuInfo[2] & 0x00000800) != 0; |
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217 } |
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218 # endif |
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219 } |
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220 # endif |
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221 } |
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222 # else |
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223 # error "I don't know how to test for SIMD with this compiler" |
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224 # endif |
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225 #endif |
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226 |
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227 #if defined(HAVE_NEON) && !defined(__aarch64__) |
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228 # if defined(HAVE_ANDROID_GETCPUFAMILY) |
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229 { |
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230 AndroidCpuFamily family = android_getCpuFamily(); |
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231 if (family == ANDROID_CPU_FAMILY_ARM) |
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232 neon_available_ = (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON); |
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233 } |
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234 # elif defined(HAVE_GETAUXVAL) |
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235 neon_available_ = getauxval(AT_HWCAP) & HWCAP_NEON; |
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236 # elif defined(HAVE_ELF_AUX_INFO) |
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237 unsigned long hwcap = 0; |
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238 elf_aux_info(AT_HWCAP, &hwcap, sizeof hwcap); |
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239 neon_available_ = hwcap & HWCAP_NEON; |
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240 # endif |
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241 #endif |
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242 |
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243 #if defined(HAVE_RVV) |
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244 # if defined(HAVE_GETAUXVAL) |
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245 const unsigned long hwcap = getauxval(AT_HWCAP); |
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246 rvv_available_ = hwcap & HWCAP_RV('V'); |
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247 # endif |
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248 #endif |
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249 |
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250 // Select code for calculation of dot product based on autodetection. |
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251 if (false) { |
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252 // This is a dummy to support conditional compilation. |
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253 #if defined(HAVE_AVX512F) |
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254 } else if (avx512F_available_) { |
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255 // AVX512F detected. |
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|
256 SetDotProduct(DotProductAVX512F, &IntSimdMatrix::intSimdMatrixAVX2); |
|
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257 #endif |
|
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258 #if defined(HAVE_AVX2) |
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|
259 } else if (avx2_available_) { |
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260 // AVX2 detected. |
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|
261 SetDotProduct(DotProductAVX, &IntSimdMatrix::intSimdMatrixAVX2); |
|
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|
262 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
263 #if defined(HAVE_AVX) |
|
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parents:
diff
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|
264 } else if (avx_available_) { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
265 // AVX detected. |
|
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parents:
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|
266 SetDotProduct(DotProductAVX, &IntSimdMatrix::intSimdMatrixSSE); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
267 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff
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|
268 #if defined(HAVE_SSE4_1) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
269 } else if (sse_available_) { |
|
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parents:
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|
270 // SSE detected. |
|
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parents:
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changeset
|
271 SetDotProduct(DotProductSSE, &IntSimdMatrix::intSimdMatrixSSE); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
272 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
273 #if defined(HAVE_NEON) || defined(__aarch64__) |
|
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
274 } else if (neon_available_) { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
275 // NEON detected. |
|
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
276 SetDotProduct(DotProductNEON, &IntSimdMatrix::intSimdMatrixNEON); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
277 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
278 #if defined(HAVE_RVV) |
|
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|
279 } else if (rvv_available_) { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
280 SetDotProduct(DotProductGeneric, &IntSimdMatrix::intSimdMatrixRVV); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
281 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
282 } |
|
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parents:
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|
283 |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
284 const char *dotproduct_env = getenv("DOTPRODUCT"); |
|
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parents:
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|
285 if (dotproduct_env != nullptr) { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
286 // Override automatic settings by value from environment variable. |
|
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parents:
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|
287 dotproduct = dotproduct_env; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
288 Update(); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
289 } |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
290 } |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
291 |
|
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
292 void SIMDDetect::Update() { |
|
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parents:
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|
293 // Select code for calculation of dot product based on the |
|
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
294 // value of the config variable if that value is not empty. |
|
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parents:
diff
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|
295 const char *dotproduct_method = "generic"; |
|
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parents:
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|
296 if (dotproduct == "auto") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
297 // Automatic detection. Nothing to be done. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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|
298 } else if (dotproduct == "generic") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
299 // Generic code selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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|
300 SetDotProduct(DotProductGeneric); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff
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|
301 dotproduct_method = "generic"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
302 } else if (dotproduct == "native") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
303 // Native optimized code selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
304 SetDotProduct(DotProductNative, IntSimdMatrix::intSimdMatrix); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
305 dotproduct_method = "native"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
306 #if defined(HAVE_AVX2) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
307 } else if (dotproduct == "avx2") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
308 // AVX2 selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
309 SetDotProduct(DotProductAVX, &IntSimdMatrix::intSimdMatrixAVX2); |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
310 dotproduct_method = "avx2"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
311 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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|
312 #if defined(HAVE_AVX) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
313 } else if (dotproduct == "avx") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
314 // AVX selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
315 SetDotProduct(DotProductAVX, &IntSimdMatrix::intSimdMatrixSSE); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
316 dotproduct_method = "avx"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
317 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
318 #if defined(HAVE_FMA) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
319 } else if (dotproduct == "fma") { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
320 // FMA selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
321 SetDotProduct(DotProductFMA, IntSimdMatrix::intSimdMatrix); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
322 dotproduct_method = "fma"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
323 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
324 #if defined(HAVE_SSE4_1) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
325 } else if (dotproduct == "sse") { |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
326 // SSE selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
327 SetDotProduct(DotProductSSE, &IntSimdMatrix::intSimdMatrixSSE); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
328 dotproduct_method = "sse"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
329 #endif |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
330 #if defined(HAVE_FRAMEWORK_ACCELERATE) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
331 } else if (dotproduct == "accelerate") { |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
332 SetDotProduct(DotProductAccelerate, IntSimdMatrix::intSimdMatrix); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
333 #endif |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
334 #if defined(HAVE_NEON) || defined(__aarch64__) |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
335 } else if (dotproduct == "neon" && neon_available_) { |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
336 // NEON selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
337 SetDotProduct(DotProductNEON, &IntSimdMatrix::intSimdMatrixNEON); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
338 dotproduct_method = "neon"; |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
339 #endif |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
340 } else if (dotproduct == "std::inner_product") { |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
341 // std::inner_product selected by config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
342 SetDotProduct(DotProductStdInnerProduct, IntSimdMatrix::intSimdMatrix); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
343 dotproduct_method = "std::inner_product"; |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
344 } else { |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
345 // Unsupported value of config variable. |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
346 tprintf("Warning, ignoring unsupported config variable value: dotproduct=%s\n", |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
347 dotproduct.c_str()); |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
348 tprintf( |
|
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
349 "Supported values for dotproduct: auto generic native" |
|
b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
changeset
|
350 #if defined(HAVE_AVX2) |
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351 " avx2" |
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352 #endif |
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353 #if defined(HAVE_AVX) |
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354 " avx" |
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355 #endif |
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356 #if defined(HAVE_FMA) |
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357 " fma" |
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358 #endif |
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359 #if defined(HAVE_SSE4_1) |
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360 " sse" |
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361 #endif |
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362 #if defined(HAVE_FRAMEWORK_ACCELERATE) |
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363 " accelerate" |
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364 #endif |
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365 " std::inner_product.\n"); |
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366 } |
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367 |
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368 dotproduct.set_value(dotproduct_method); |
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369 } |
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370 |
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371 } // namespace tesseract |
