diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bootstrap/src/core/build_steps/compile.rs | 9 | ||||
| -rw-r--r-- | src/doc/unstable-book/src/compiler-flags/autodiff.md | 23 | ||||
| m--------- | src/tools/enzyme | 0 |
3 files changed, 29 insertions, 3 deletions
diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index fd9bf47234c..f447d186a52 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1049,9 +1049,12 @@ pub fn rustc_cargo( // <https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Internal.20lint.20for.20raw.20.60print!.60.20and.20.60println!.60.3F>. cargo.rustflag("-Zon-broken-pipe=kill"); - if builder.config.llvm_enzyme { - cargo.rustflag("-l").rustflag("Enzyme-19"); - } + // We temporarily disable linking here as part of some refactoring. + // This way, people can manually use -Z llvm-plugins and -C passes=enzyme for now. + // In a follow-up PR, we will re-enable linking here and load the pass for them. + //if builder.config.llvm_enzyme { + // cargo.rustflag("-l").rustflag("Enzyme-19"); + //} // Building with protected visibility reduces the number of dynamic relocations needed, giving // us a faster startup time. However GNU ld < 2.40 will error if we try to link a shared object diff --git a/src/doc/unstable-book/src/compiler-flags/autodiff.md b/src/doc/unstable-book/src/compiler-flags/autodiff.md new file mode 100644 index 00000000000..4e55be0ad95 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/autodiff.md @@ -0,0 +1,23 @@ +# `autodiff` + +The tracking issue for this feature is: [#124509](https://github.com/rust-lang/rust/issues/124509). + +------------------------ + +This feature allows you to differentiate functions using automatic differentiation. +Set the `-Zautodiff=<options>` compiler flag to adjust the behaviour of the autodiff feature. +Multiple options can be separated with a comma. Valid options are: + +`PrintTA` - print Type Analysis Information +`PrintAA` - print Activity Analysis Information +`PrintPerf` - print Performance Warnings from Enzyme +`Print` - prints all intermediate transformations +`PrintModBefore` - print the whole module, before running opts +`PrintModAfterOpts` - print the whole module just before we pass it to Enzyme +`PrintModAfterEnzyme` - print the module after Enzyme differentiated everything +`LooseTypes` - Enzyme's loose type debug helper (can cause incorrect gradients) +`Inline` - runs Enzyme specific Inlining +`NoModOptAfter` - do not optimize the module after Enzyme is done +`EnableFncOpt` - tell Enzyme to run LLVM Opts on each function it generated +`NoVecUnroll` - do not unroll vectorized loops +`RuntimeActivity` - allow specifying activity at runtime diff --git a/src/tools/enzyme b/src/tools/enzyme -Subproject 2fe5164a2423dd67ef25e2c4fb204fd06362494 +Subproject 0e5fa4a3d475f4dece489c9e06b11164f83789f |