On Tue, Mar 20, 2012 at 12:05 PM, Kevin Kofler <kevin.kofler@xxxxxxxxx> wrote: > Brendan Conoboy wrote: >> Our current build systems can turn GCC 4.7 around in about 24 hours. >> The enterprise hardware we anticipate using will take that down to about >> 12 hours. If speed of build hardware is a consideration, where do you >> draw the line? > > IMHO, at MOST 50% longer (factor 1.5) build time, and that's already being > nice. You're off by a factor of 4! > >> No secondary arch is going to get to the speed of x86_64 in the >> foreseeable future, so it's effectively a way to keep PA an exclusive x86 >> club. > > That's exactly why we should stick with only x86 as primary architecture(s) > in the foreseeable future. Only if you assume that high clock speed workloads are the only important workloads. For highly parallellizable tasks, an ARM system with tons of slower cores is a powerhouse. Think a db server serving huge numbers of queries. -J >> I think the real question is, for the developers of on devel-list, how >> will longer builds for one arch than another affect your workflow? If >> builds on two architectures start at the same time, but one takes longer >> to finish than the other, how will that impact you? Right now you'll >> still be able to see and use the results of the faster build before the >> slower build completes, so are you materially impacted? > > See the other replies: chain builds, updates, platform-specific errors, > build results. A lot of things depend on the builds to actually complete. > > Kevin Kofler > > -- > devel mailing list > devel@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/devel -- in your fear, seek only peace in your fear, seek only love -d. bowie -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel