68 lines
3.0 KiB
Ruby
68 lines
3.0 KiB
Ruby
class Enzyme < Formula
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desc "High-performance automatic differentiation of LLVM"
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homepage "https://enzyme.mit.edu"
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url "https://github.com/EnzymeAD/Enzyme/archive/v0.0.45.tar.gz", using: :homebrew_curl
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sha256 "ca74f04de61a7fc60e544fb83e2c6cc93274edc6be61831581c1cbd4bbf75be9"
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license "Apache-2.0" => { with: "LLVM-exception" }
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head "https://github.com/EnzymeAD/Enzyme.git", branch: "main"
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bottle do
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sha256 cellar: :any, arm64_ventura: "61f3720aadbdcbea258e6f64bc124f75962e83f47fc59822859b13306e491bed"
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sha256 cellar: :any, arm64_monterey: "81bdf2d213f5797c805f60426b1ca7dde22e45d5fbb3c57486ada1134d79a07d"
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sha256 cellar: :any, arm64_big_sur: "f525a56085cb681cf3d8136f6209ac7027f435c7a0f4cdbbba921a9248b97685"
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sha256 cellar: :any, ventura: "3f17c117e49e263e00b829d76a07b6b38129079820ce85f38fbce51623a42e1e"
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sha256 cellar: :any, monterey: "2bf4060f9fb792a81124c93c82ed18e99deb3f5def937cd24cad926dbf35ebd2"
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sha256 cellar: :any, big_sur: "2bc027795b081dfb8187ab23abdcd94b579e95539a31789d3e368567e20aa695"
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sha256 cellar: :any, catalina: "1124dc9ed328298b794fe526ba8ec76a770c71dfc45da69e044a03cf589e49fa"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "966d130765da695f41e69453e5a6021f92733afd09a02c6fc6a1786c8aa6b9f4"
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end
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depends_on "cmake" => :build
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depends_on "llvm"
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fails_with gcc: "5"
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def llvm
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deps.map(&:to_formula).find { |f| f.name.match?(/^llvm(@\d+)?$/) }
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end
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def install
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system "cmake", "-S", "enzyme", "-B", "build", "-DLLVM_DIR=#{llvm.opt_lib}/cmake/llvm", *std_cmake_args
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system "cmake", "--build", "build"
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system "cmake", "--install", "build"
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end
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test do
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(testpath/"test.c").write <<~EOS
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#include <stdio.h>
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extern double __enzyme_autodiff(void*, double);
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double square(double x) {
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return x * x;
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}
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double dsquare(double x) {
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return __enzyme_autodiff(square, x);
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}
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int main() {
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double i = 21.0;
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printf("square(%.0f)=%.0f, dsquare(%.0f)=%.0f\\n", i, square(i), i, dsquare(i));
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}
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EOS
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opt = llvm.opt_bin/"opt"
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ENV["CC"] = llvm.opt_bin/"clang"
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# `-Xclang -no-opaque-pointers` is a transitional flag for LLVM 15, and will
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# likely be need to removed in LLVM 16. See:
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# https://llvm.org/docs/OpaquePointers.html#version-support
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system ENV.cc, "-v", testpath/"test.c", "-S", "-emit-llvm", "-o", "input.ll", "-O2",
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"-fno-vectorize", "-fno-slp-vectorize", "-fno-unroll-loops",
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"-Xclang", "-no-opaque-pointers"
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system opt, "input.ll", "--enable-new-pm=0",
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"-load=#{opt_lib/shared_library("LLVMEnzyme-#{llvm.version.major}")}",
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"--enzyme-attributor=0", "-enzyme", "-o", "output.ll", "-S"
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system ENV.cc, "output.ll", "-O3", "-o", "test"
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assert_equal "square(21)=441, dsquare(21)=42\n", shell_output("./test")
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end
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end
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