Hi Saam. Em seg, 8 de out de 2018 às 02:41, Saam Barati <sbar...@apple.com> escreveu: > > Hi Caio, > > > On Oct 6, 2018, at 7:30 AM, Caio Lima <ticaiol...@gmail.com> wrote: > > > > Hi all. > > > > I'm starting working to fix JIT support of BigInt in some operations > > we already have upstream. In such case, I'm sending > > (https://bugs.webkit.org/show_bug.cgi?id=186177) to support BigInt > > speculation into ValueAdd node. As I want to know if BigInt > > speculation represents some performance improvement, I'm also > > proposing a new benchmark suite called BigIntBench. The idea right now > > is to enable us to write microbenchmarks while working into JIT fixes. > > The main reason behind that is due the practicality of enabling > > "--useBigInt=true" flags for tests in this suite. The big plan is to > > move all microbenchmarks to "JSTests/microbenchmarks" and then add > > relevant tests to evaluate how fast JSC can manipulate BigInts. IIRC, > > Robin Morisset mentioned about introducing some benchmarks to evaluate > > BigInt implementation sometime ago. > > > > What do you think about that? Does it make sense? > I think it makes a lot of sense to start using benchmarks to drive > performance improvements in our BigInt implementation. > > It's probably good to use both microbenchmarks and macro benchmarks to do > this. I definitely agree it's worth writing microbenchmarks to show that > changes are good for perf. But it's probably worth converting some > preexisting benchmarks to use BigInts and measure performance on that as > well. Some ideas could be taking some of the math-heavy benchmarks from > JetStream/Kraken as a starting point.
This sounds a good idea. I'll also do that as soon as we have support to all operations. > - Saam > > > > > Regards, > > Caio. > > _______________________________________________ > > webkit-dev mailing list > > webkit-dev@lists.webkit.org > > https://lists.webkit.org/mailman/listinfo/webkit-dev > _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-dev
