66 lines
2.5 KiB
Ruby
66 lines
2.5 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/v0.0.31.tar.gz", using: :homebrew_curl
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sha256 "d8c0fd05c1c83c38d01b82b760e6b44c09cdcfb26feabc7893ec825aab40d9f3"
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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_monterey: "04e47cfda3485c4df271162b649275f58c7ed781823fb917f3dbd60214124000"
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sha256 cellar: :any, arm64_big_sur: "9d6d5f0d76f69362ba9500fae44594de4d4e759aeb1b51aab7e2384ec169b331"
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sha256 cellar: :any, monterey: "12d753a32f9489c475838570d0460f2e844da14290198f9cd88c283680acb41d"
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sha256 cellar: :any, big_sur: "2307c4c8134a5a0ff874fae794239809857ac0e4c3a2356a8957bec7a6fef64c"
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sha256 cellar: :any, catalina: "fdf1711a192400521cd69bb5ef1b449bbab529f5d30f1f053bcc1ba7328df687"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "57695c072bc9b6049d6a7bb251173c190ddc1f76152f6ffc13cfc431f3e9ce5c"
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end
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depends_on "cmake" => :build
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depends_on "llvm"
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on_linux do
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depends_on "gcc" => :build
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end
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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" }
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end
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def install
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system "cmake", "-S", "enzyme", "-B", "build", *std_cmake_args, "-DLLVM_DIR=#{llvm.opt_lib}/cmake/llvm"
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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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system ENV.cc, 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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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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