v.g.vassilev added inline comments.
================
Comment at: clang/tools/clang-repl/ClangRepl.cpp:137
+
+ ExitOnErr(Interp->LoadDynamicLibrary("libcudart.so"));
+ } else
----------------
tra wrote:
> v.g.vassilev wrote:
> > tra wrote:
> > > Is there any doc describing the big picture approach to CUDA REPL
> > > implementation and how all the pieces tie together?
> > >
> > > From the patch I see that we will compile GPU side of the code to PTX,
> > > pack it into fatbinary, but it's not clear now do we get from there to
> > > actually launching the kernels. Loading libcudart.so here also does not
> > > appear to be tied to anything else. I do not see any direct API calls,
> > > and the host-side compilation appears to be done w.o passing the GPU
> > > binary to it, which would normally trigger generation of the glue code to
> > > register the kernels with CUDA runtime. I may be missing something, too.
> > >
> > > I assume the gaps will be filled in in future patches, but I'm still
> > > curious about the overall plan.
> > >
> > >
> > Hi @tra, thanks for asking. Our reference implementation was done in Cling
> > a while ago by @SimeonEhrig. One of his talks which I think describes well
> > the big picture could be found here:
> > https://compiler-research.org/meetings/#caas_04Mar2021
> Cling does ring the bell. The slides from the link above do look OK.
>
There is also a video.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D146389/new/
https://reviews.llvm.org/D146389
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