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| author | Nikhil Raj <nikhil.raj@arm.com> | 2022-11-23 11:05:29 +0000 |
|---|---|---|
| committer | Nikhil Raj <nikhil.raj@arm.com> | 2022-11-23 11:09:30 +0000 |
| commit | cb0630959aeae05bc2ae9f6d80cf5f5983a8fb77 (patch) | |
| tree | 0dbcf7ed5eb76622aba7bb742f39621aa476e3e8 /22.11/_build_guide_shim_support_library_8md_source.xhtml | |
| parent | 7bfd38a721360183f3392f9ab35db18a0dd7fef8 (diff) | |
| download | armnn-cb0630959aeae05bc2ae9f6d80cf5f5983a8fb77.tar.gz | |
IVGCVSW-7075 Update Doxygen for 22.11 Release
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: Ib5669e8fd3739d1b10f5dd694d020d51799896dc
Diffstat (limited to '22.11/_build_guide_shim_support_library_8md_source.xhtml')
| -rw-r--r-- | 22.11/_build_guide_shim_support_library_8md_source.xhtml | 113 |
1 files changed, 113 insertions, 0 deletions
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class="title">shim/BuildGuideShimSupportLibrary.md</div> </div> +</div><!--header--> +<div class="contents"> +<a href="_build_guide_shim_support_library_8md.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> # How to use the Android NDK to build Arm NN</div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> - [Introduction](#introduction)</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> - [Prerequisites](#prerequisites)</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> - [Download Arm NN](#download-arm-nn)</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> - [Build Arm Compute Library](#build-arm-compute-library)</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> - [Build Arm NN](#build-arm-nn)</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> - [Build Arm NN Support Library](#build-arm-nn-support-library)</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> - [Build Arm NN Shim](#build-arm-nn-shim)</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> ## Introduction</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> These are step by step instructions for building the Arm NN shim and support library for NNAPI.</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> This work is currently in an experimental phase.</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> ## Prerequisites</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> The following are required to build the Arm NN support library</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> * Android NDK r25</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  * Detailed setup can be found in [BuildGuideAndroidNDK.md](../BuildGuideAndroidNDK.md)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> * Flatbuffer version 2.0.6</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  * Detailed setup can be found in [BuildGuideCrossCompilation.md](../BuildGuideCrossCompilation.md)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> The following is required to build the Arm NN shim</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> * AOSP Source (Android Open Source Project)</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  * Download the source from the [official website](https://source.android.com/setup/build/downloading)</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  * This guide will use release tag `android12-s1-release`</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> Set environment variables</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> ```bash</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> export WORKING_DIR=<path to where the Arm NN source code, clframework and aosp repos will be cloned></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> export AOSP_ROOT=<path to the root of Android tree where the shim will be built></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> export AOSP_MODULES_ROOT=<path to where AOSP modules will be cloned i.e. $WORKING_DIR/aosp></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> export ARMNN_BUILD_DIR=<path to the Arm NN build directory i.e. $WORKING_DIR/build></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> export NDK=<path to>android-ndk-r25</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> export NDK_TOOLCHAIN_ROOT=$NDK/toolchains/llvm/prebuilt/linux-x86_64</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> export PATH=$NDK_TOOLCHAIN_ROOT/bin/:$PATH</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> export FLATBUFFERS_ANDROID_BUILD=<path to flatbuffers target android build></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> export FLATBUFFERS_X86_BUILD=<path to flatbuffers host build-x86_64></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> ```</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> ## Download Arm NN</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> If the user only wishes to build the Support Library with the NDK, the Arm NN repo can be cloned into any folder.</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> If the user also wishes to build the Arm NN Shim, for this the Arm NN repo will need to reside within</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> the Android tree in order for armnn/shim/Android.bp to be picked up by the Soong (Android) build system.</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> For example $AOSP_ROOT/vendor/arm/armnn</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> * Clone Arm NN:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  (Requires Git if not previously installed: `sudo apt install git`)</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> ```bash</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> cd $WORKING_DIR</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> git clone https://github.com/ARM-software/armnn.git</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> ```</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> ## Build Arm Compute Library</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> Arm NN provides a script that downloads the version of Arm Compute Library that Arm NN was tested with:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> ```bash</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> ${WORKING_DIR}/armnn/scripts/get_compute_library.sh</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> ```</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> * Build the Arm Compute Library:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  (Requires SCons if not previously installed: `sudo apt install scons`)</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> ```bash</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> cd ${WORKING_DIR}/clframework</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> scons arch=arm64-v8a \</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> toolchain_prefix=aarch64-linux-android- \</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> compiler_prefix=aarch64-linux-android29- \</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> neon=1 opencl=1 \</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> embed_kernels=1 \</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> build_dir=android-arm64v8a \</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> extra_cxx_flags="-Wno-parentheses-equality -Wno-missing-braces -fPIC" \</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> Werror=0 embed_kernels=1 examples=0 \</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> validation_tests=0 benchmark_tests=0 benchmark_examples=0 os=android -j16</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> ```</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> ## Build Arm NN and Serializer</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> * Build Arm NN:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  (Requires CMake if not previously installed: `sudo apt install cmake`)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> ```bash</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> cd $ARMNN_BUILD_DIR</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> CXX=aarch64-linux-android29-clang++ \</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> CC=aarch64-linux-android29-clang \</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> CXX_FLAGS="-fPIE -fPIC" cmake ${WORKING_DIR}/armnn \</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> -DCMAKE_ANDROID_NDK=$NDK \</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> -DCMAKE_SYSTEM_NAME=Android \</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> -DCMAKE_SYSTEM_VERSION=29 \</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a \</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> -DCMAKE_EXE_LINKER_FLAGS="-pie -llog -lz" \</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> -DARMCOMPUTE_ROOT=$WORKING_DIR/clframework/ \</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> -DARMCOMPUTE_BUILD_DIR=$WORKING_DIR/clframework/build/android-arm64v8a/ \</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> -DARMCOMPUTENEON=1 -DARMCOMPUTECL=1 -DARMNNREF=1 \</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> -DFLATBUFFERS_ROOT=$FLATBUFFERS_ANDROID_BUILD \</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> -DFLATC_DIR=$FLATBUFFERS_X86_BUILD \</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> -DBUILD_ARMNN_SERIALIZER=1 -DBUILD_GATORD_MOCK=0 -DBUILD_BASE_PIPE_SERVER=0</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> ```</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  * Run the build</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> ```bash</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> make -j16</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> ```</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> ## Build Arm NN Support Library</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> Building the support library requires building some AOSP libraries via the NDK. </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> It should be possible to use $AOSP_ROOT instead of $AOSP_MODULES_ROOT.</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> However this example will instead clone the necessary AOSP repos outside of the Android tree and apply some minor patches</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> which were required to get it to build with the Android version used in this guide.</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> ```bash</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> # Call a script which will clone the necessary AOSP repos (do not clone them into Android tree)</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> ${WORKING_DIR}/armnn/shim/sl/scripts/clone_aosp_libs.sh $AOSP_MODULES_ROOT</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> # Modify the repos by applying patches</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> ${WORKING_DIR}/armnn/shim/sl/scripts/modify_aosp_libs.sh $AOSP_MODULES_ROOT</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> # Build the Support Library</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> CMARGS="$CMARGS \</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> -DCMAKE_TOOLCHAIN_FILE=$NDK/build/cmake/android.toolchain.cmake \</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> -DANDROID_ABI=arm64-v8a \</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a \</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> -DCMAKE_ANDROID_NDK=$NDK \</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> -DANDROID_PLATFORM=android-29 \</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> -DAOSP_MODULES_ROOT=$AOSP_MODULES_ROOT \</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> -DARMNN_SOURCE_DIR=$WORKING_DIR/armnn \</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> -DArmnn_DIR=$ARMNN_BUILD_DIR "</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> mkdir ${WORKING_DIR}/armnn/shim/sl/build</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> cd ${WORKING_DIR}/armnn/shim/sl/build</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> CXX=aarch64-linux-android29-clang++ \</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> CC=aarch64-linux-android29-clang \</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> cmake $CMARGS ../</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> make</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> ```</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> ## Build Arm NN Shim</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> By default the Arm NN shim Android.bp.off is not enabled.</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> It is enabled below by renaming it to Android.bp</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> ```bash</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> cd ${WORKING_DIR}/armnn/shim</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> mv Android.bp.off Android.bp</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> cd $AOSP_ROOT</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> source build/envsetup.sh</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> lunch <device>-eng</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> cd vendor/arm/armnn/shim</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> export ARMNN_ANDROID_MK_ENABLE=0</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> mm</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> ```</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> The built libraries and manifest file can be found here:</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> $AOSP_ROOT/out/target/product/<device>/vendor/lib64/libarmnn_support_library.so</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> $AOSP_ROOT/out/target/product/<device>/vendor/bin/hw/android.hardware.neuralnetworks-shim-service-armnn</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> $AOSP_ROOT/out/target/product/<device>/vendor/etc/vintf/manifest/android.hardware.neuralnetworks-shim-service-armnn.xml</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> Currently the Arm NN libraries are shared libraries and therefore will need to be pushed to the device:</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> $ARMNN_BUILD_DIR/libarmnn.so</div></div><!-- fragment --></div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- 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