Chintan Pandya <chintan.pandya@xxxxxxxxxxx> writes: >> I do realize that the initialization improvement patch doesn't really mention >> any real life usecase either. It is based on a microbenchmark but the objective >> sounds reasonable. If it regresses some other workloads then we either have to >> make it conditional or find out what is causing the regression and how much > > Generally, many architectures are optimized for serial loads, be it initialization or > access, as it is simplest form of prediction. Any random access pattern would kill > that pre-fetching. And for now, I suspect that to be the case here. Probably, we > can run more tests to confirm this part. Please prove your theory with test. Better to test x86 too. Best Regards, Huang, Ying
