On 11/16/18 10:21 AM, Kyrill Tkachov wrote: > >>>> It probably wouldn't be a bad idea to look at the default for >>>> MAX_PENDING_LIST_LENGTH. Based on the current default value and the >>>> comments in the code that value could well have been tuned 25 or more >>>> years ago! >>> Probably. I see that s390 and spu increase that param in their backends >>> to much larger values than the default >>> I played around with increasing it on aarch64. It improved things >>> somewhat, but Richard's patch still gave superior results. >> ACK. Thanks for testing. If you want to adjust, that would seem fine >> as a follow-up. > > I'd need to benchmark such a change, but thanks. > > MAX_PENDING_LIST_LENGTH only exists to limit compile-time, right? I believe so.
jeff
