> bhackett's comment > https://bugzilla.mozilla.org/show_bug.cgi?id=821040#c5 does not > confirm. > Anyone else try to reproduce?
To clarify, we know for sure that the problem was caused by switching to a threadsafe build. We don't know why threadsafe builds are slower. I saw some results that suggest that the performance difference is caused by source compression. However, it seems very machine-dependent. I saw the source compression regression on one computer; on another computer, there was a smaller difference between TS and non-TS, and it wasn't caused by source compression. Brian saw no difference between TS and non-TS. Someone should probably ssh into whatever computer is reporting the results and isolate the problem. I don't think we should disable source compression anywhere unless we know what's going on. -Bill _______________________________________________ dev-tech-js-engine-internals mailing list [email protected] https://lists.mozilla.org/listinfo/dev-tech-js-engine-internals
