[libc-commits] [PATCH] D153388: [libc] Add basic utility support for timing functions on the GPU

[Matt Arsenault via Phabricator via libc-commits]

arsenm added a comment.

In D153388#4437695 <https://reviews.llvm.org/D153388#4437695>, @JonChesterfield wrote:

> @arsenm what do you think of adding a built-in that expands to one of the above? This sort of "try to get the time" isn't libc specific and the switch over different builtins is basically architecture mess that ideally wouldn't get reimplemented in lot of different library code.

That's kind of what I thought __builtin_readcyclecounter was for. I don't really understand the difference between the different time operations (e.g what is the difference between clock and time?)


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https://reviews.llvm.org/D153388