169 lines
4.6 KiB
Nix
169 lines
4.6 KiB
Nix
{ stdenv
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, bash
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, abseil-cpp
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, fetchFromGitHub
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, fetchFromGitLab
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, fetchpatch
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, fetchurl
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, flatbuffers
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, hostPlatform
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, lib
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, zlib
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}:
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let
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tflite-eigen = fetchFromGitLab {
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owner = "libeigen";
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repo = "eigen";
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rev = "3d9051ea84a5089b277c88dac456b3b1576bfa7f";
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sha256 = "1y3f2jvimb5i904f4n37h23cv2pkdlbz8656s0kga1y7c0p50wif";
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};
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gemmlowp-src = fetchFromGitHub {
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owner = "google";
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repo = "gemmlowp";
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rev = "fda83bdc38b118cc6b56753bd540caa49e570745";
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sha256 = "1sbp8kmr2azwlvfbzryy1frxi99jhsh1nc93bdbxdf8zdgpv0kxl";
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};
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neon-2-sse-src = fetchFromGitHub {
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owner = "intel";
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repo = "ARM_NEON_2_x86_SSE";
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rev = "1200fe90bb174a6224a525ee60148671a786a71f";
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sha256 = "0fhxch711ck809dpq1myxz63jiiwfcnxvj45ww0kg8s0pqpn5kv6";
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};
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farmhash-src = fetchFromGitHub {
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owner = "google";
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repo = "farmhash";
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rev = "816a4ae622e964763ca0862d9dbd19324a1eaf45";
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sha256 = "1mqxsljq476n1hb8ilkrpb39yz3ip2hnc7rhzszz4sri8ma7qzp6";
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};
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fft2d-src = fetchurl {
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url = "http://www.kurims.kyoto-u.ac.jp/~ooura/fft2d.tgz";
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sha256 = "ada7e99087c4ed477bfdf11413f2ba8db8a840ba9bbf8ac94f4f3972e2a7cec9";
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};
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fp16-src = fetchFromGitHub {
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owner = "Maratyszcza";
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repo = "FP16";
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rev = "4dfe081cf6bcd15db339cf2680b9281b8451eeb3";
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sha256 = "06a8dfl3a29r93nxpp6hpywsajz5d555n3sqd3i6krybb6swnvh7";
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};
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ruy-src = fetchFromGitHub {
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owner = "google";
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repo = "ruy";
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rev = "23633b37099b614a2f836ef012cafc8087fdb98c";
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sha256 = "14k9hz6ss8qy8nsajk6lrq25f6qxrldxky31ijw0dpqnfnnswrx4";
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};
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cpuinfo-src = fetchFromGitHub {
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owner = "pytorch";
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repo = "cpuinfo";
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rev = "5916273f79a21551890fd3d56fc5375a78d1598d";
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sha256 = "0q6760xdxsg18acdv8vq3yrq7ksr7wsm8zbyan01zf2khnb6fw4x";
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};
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in
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stdenv.mkDerivation rec {
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pname = "tensorflow-lite";
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version = "2.5.0";
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src = fetchFromGitHub {
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owner = "tensorflow";
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repo = "tensorflow";
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rev = "v${version}";
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sha256 = "1jdw2i1rq06zqd6aabh7bbm0avsg4pygnfmd7gviv0blhih9054l";
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};
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patches = [
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# TODO: remove on the next version bump
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(fetchpatch {
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name = "include-schema-conversion-utils-source.patch";
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url = "https://github.com/tensorflow/tensorflow/commit/f3c4f4733692150fd6174f2cd16438cfaba2e5ab.patch";
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sha256 = "0zx4hbz679kn79f30159rl1mq74dg45cvaawii0cyv48z472yy4k";
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})
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];
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buildInputs = [ zlib flatbuffers ];
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dontConfigure = true;
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postPatch = ''
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substituteInPlace ./tensorflow/lite/tools/make/Makefile \
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--replace /bin/bash ${bash}/bin/bash \
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--replace /bin/sh ${bash}/bin/sh
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'';
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makefile = "tensorflow/lite/tools/make/Makefile";
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preBuild =
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let
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includes =
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lib.concatMapStringsSep
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" "
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(subdir: "-I $PWD/tensorflow/lite/tools/make/downloads/${subdir}")
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[
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"neon_2_sse"
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"gemmlowp"
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"absl"
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"fp16/include"
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"farmhash/src"
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"ruy"
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"cpuinfo"
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"cpuinfo/src"
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"cpuinfo/include"
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"cpuinfo/deps/clog/include"
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"eigen"
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];
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in
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''
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# enter the vendoring lair of doom
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prefix="$PWD/tensorflow/lite/tools/make/downloads"
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mkdir -p "$prefix"
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tar xzf ${fft2d-src} -C "$prefix"
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ln -s ${ruy-src} "$prefix/ruy"
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ln -s ${gemmlowp-src} "$prefix/gemmlowp"
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ln -s ${neon-2-sse-src} "$prefix/neon_2_sse"
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ln -s ${farmhash-src} "$prefix/farmhash"
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ln -s ${cpuinfo-src} "$prefix/cpuinfo"
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ln -s ${fp16-src} "$prefix/fp16"
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ln -s ${tflite-eigen} "$prefix/eigen"
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# tensorflow lite is using the *source* of flatbuffers
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ln -s ${flatbuffers.src} "$prefix/flatbuffers"
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# tensorflow lite expects to compile abseil into `libtensorflow-lite.a`
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ln -s ${abseil-cpp.src} "$prefix/absl"
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buildFlagsArray+=(INCLUDES="-I $PWD ${includes}" TARGET_TOOLCHAIN_PREFIX="" -j$NIX_BUILD_CORES all)
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'';
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installPhase = ''
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mkdir "$out"
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# copy the static lib and binaries into the output dir
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cp -r ./tensorflow/lite/tools/make/gen/linux_${hostPlatform.uname.processor}/{bin,lib} "$out"
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find ./tensorflow/lite -type f -name '*.h' | while read f; do
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path="$out/include/''${f/.\//}"
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install -D "$f" "$path"
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# remove executable bit from headers
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chmod -x "$path"
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done
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'';
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meta = with lib; {
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description = "An open source deep learning framework for on-device inference.";
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homepage = "https://www.tensorflow.org/lite";
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license = licenses.asl20;
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maintainers = with maintainers; [ cpcloud ];
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platforms = [ "x86_64-linux" "aarch64-linux" ];
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};
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}
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