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nixpkgs/pkgs/tools/misc/bandwidth/default.nix

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{ stdenv, fetchurl, nasm }:
let
arch =
if stdenv.hostPlatform.system == "x86_64-linux" then "bandwidth64"
else if stdenv.hostPlatform.system == "i686-linux" then "bandwidth32"
else if stdenv.hostPlatform.system == "x86_64-darwin" then "bandwidth-mac64"
else if stdenv.hostPlatform.system == "i686-darwin" then "bandwidth-mac32"
else if stdenv.hostPlatform.system == "i686-cygwin" then "bandwidth-win32"
else throw "Unknown architecture";
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in
stdenv.mkDerivation rec {
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name = "bandwidth-${version}";
version = "1.5.1";
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src = fetchurl {
url = "https://zsmith.co/archives/${name}.tar.gz";
sha256 = "1v9k1a2ilkbhc3viyacgq88c9if60kwsd1fy6rn84317qap4i7ib";
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};
buildInputs = [ nasm ];
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buildFlags = [ arch ]
++ stdenv.lib.optionals stdenv.cc.isClang [ "CC=clang" "LD=clang" ];
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installPhase = ''
mkdir -p $out/bin
cp ${arch} $out/bin
ln -s ${arch} $out/bin/bandwidth
'';
meta = with stdenv.lib; {
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.mit;
platforms = platforms.unix;
};
}