53 lines
1.5 KiB
Nix
53 lines
1.5 KiB
Nix
{ lib, stdenv, fetchurl, nasm }:
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let
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inherit (stdenv.hostPlatform.parsed.cpu) bits;
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arch = "bandwidth${toString bits}";
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in
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stdenv.mkDerivation rec {
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pname = "bandwidth";
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version = "1.11.2";
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src = fetchurl {
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url = "https://zsmith.co/archives/${pname}-${version}.tar.gz";
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sha256 = "sha256-mjtvQAOH9rv12XszGdD5hIX197er7Uc74WfVaP32TpM=";
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};
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postPatch = ''
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sed -i 's,ar ,$(AR) ,g' OOC/Makefile
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# Remove unnecessary -m32 for 32-bit targets
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sed -i 's,-m32,,g' OOC/Makefile
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# Replace arm64 with aarch64
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sed -i 's#,arm64#,aarch64#g' Makefile
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# Fix wrong comment character
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sed -i 's,# 32,; 32,g' routines-x86-32bit.asm
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# Fix missing symbol exports for macOS clang
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echo global _VectorToVector128 >> routines-x86-64bit.asm
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echo global _VectorToVector256 >> routines-x86-64bit.asm
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'';
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nativeBuildInputs = [ nasm ];
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buildFlags = [
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"AR=${stdenv.cc.targetPrefix}ar"
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"CC=${stdenv.cc.targetPrefix}cc"
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"ARM_AS=${stdenv.cc.targetPrefix}as"
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"ARM_CC=$(CC)"
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"UNAMEPROC=${stdenv.hostPlatform.parsed.cpu.name}"
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"UNAMEMACHINE=${stdenv.hostPlatform.parsed.cpu.name}"
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arch
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];
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installPhase = ''
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mkdir -p $out/bin
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cp ${arch} $out/bin/bandwidth
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'';
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meta = with lib; {
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homepage = "https://zsmith.co/bandwidth.html";
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description = "Artificial benchmark for identifying weaknesses in the memory subsystem";
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license = licenses.gpl2Plus;
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platforms = platforms.x86 ++ platforms.arm ++ platforms.aarch64;
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maintainers = with maintainers; [ r-burns ];
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};
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}
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