jdoerfert added a comment.

In D102107#2824581 <https://reviews.llvm.org/D102107#2824581>, @ABataev wrote:

> In D102107#2823706 <https://reviews.llvm.org/D102107#2823706>, @jdoerfert 
> wrote:
>
>> In D102107#2821976 <https://reviews.llvm.org/D102107#2821976>, @ABataev 
>> wrote:
>>
>>> We used this kind of codegen initially but later found out that it causes a 
>>> large overhead when gathering pointers into a record. What about hybrid 
>>> scheme where the first args are passed as arguments and others (if any) are 
>>> gathered into a record?
>>
>> I'm confused, maybe I misunderstand the problem. The parallel function 
>> arguments need to go from the main thread to the workers somehow, I don't 
>> see how this is done w/o a record. This patch makes it explicit though.
>
> Pass it in a record for workers only? And use a hybrid scheme for all other 
> parallel regions.

I still do not follow. What does it mean for workers only? What is a hybrid 
scheme? And, probably most importantly, how would we not eventually put 
everything into a record anyway?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102107/new/

https://reviews.llvm.org/D102107

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