Displaying 1 result from an estimated 1 matches for "285d897f".
2014 Apr 17
2
[LLVMdev] multithreaded performance disaster with -fprofile-instr-generate (contention on profile counters)
On 2014-Apr-17, at 10:38, Xinliang David Li <xinliangli at gmail.com> wrote:
>
> Another idea is to use stack local counters per function -- synced up with global counters on entry and exit. the problem with it is for deeply recursive calls, stack pressure can be too high.
I think they'd need to be synced with global counters before function
calls as well, since any function