Define compiler_job_from_backend (#1328)

EnzymeAD · Mar 17, 2024 · 573ab89 · 573ab89 · vchuravy · Mar 17, 2024
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diff --git a/lib/EnzymeCore/Project.toml b/lib/EnzymeCore/Project.toml
@@ -1,7 +1,7 @@
 name = "EnzymeCore"
 uuid = "f151be2c-9106-41f4-ab19-57ee4f262869"
 authors = ["William Moses <[email protected]>", "Valentin Churavy <[email protected]>"]
-version = "0.7.0"
+version = "0.7.1"
 
 [compat]
 Adapt = "3, 4"

diff --git a/lib/EnzymeCore/src/EnzymeCore.jl b/lib/EnzymeCore/src/EnzymeCore.jl
@@ -239,6 +239,22 @@ end
 
 function tape_type end
 
+"""
+    compiler_job_from_backend(::KernelAbstractions.Backend, F::Type, TT:Type)::GPUCompiler.CompilerJob
+
+Returns a GPUCompiler CompilerJob from a backend as specified by the first argument to the function.
+
+For example, in CUDA one would do:
+
+```julia
+function EnzymeCore.compiler_job_from_backend(::CUDABackend, @nospecialize(F::Type), @nospecialize(TT::Type))
+    mi = GPUCompiler.methodinstance(F, TT)
+    return GPUCompiler.CompilerJob(mi, CUDA.compiler_config(CUDA.device()))
+end
+```
+"""
+function compiler_job_from_backend end
+
 include("rules.jl")
 
 end # module EnzymeCore