On 6/5/2014 12:31 PM, jmor...@mozilla.com wrote: > These are two good questions Robert. Both points are nuanced and merit more > discussion. > > 1. Re: 64 bit as a bandaid for OOM. This is an alternate viewpoint that a few > folks advanced for discussion. I assumed this meant (at the least) PCs with > > 4GB physical memory. I'm not sure if this applies to virtual memory. In > addition to understanding the exact scenarios this might mitigate, ideally > we'd have crashstats data to help us understand how big each of those > scenarios is. > There's definitely a virtual memory aspect that 64-bit builds make better. Currently a 32-bit Firefox running on a 64-bit Windows install has 4GB of address space to work with. A 64-bit Firefox running on 64-bit Windows has 8TB of address space (AIUI). We've seen plenty of crashes due to virtual memory exhaustion, so 64-bit makes that much less of an issue.
-Ted _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
