Re: [HACKERS] Multicore builds on MSVC

2009-08-10 Thread Magnus Hagander
On Mon, Jul 27, 2009 at 09:11, Magnus Hagander wrote: > On Fri, Jul 24, 2009 at 21:33, Dave Page wrote: >> On Fri, Jul 24, 2009 at 8:07 PM, Magnus Hagander wrote: >> >>> I'm going to apply this for HEAD. I'm considering backpatching as >>> well, to speed up all build machines. Comments on that? >>

Re: [HACKERS] Multicore builds on MSVC

2009-07-27 Thread Magnus Hagander
On Fri, Jul 24, 2009 at 21:33, Dave Page wrote: > On Fri, Jul 24, 2009 at 8:07 PM, Magnus Hagander wrote: > >> I'm going to apply this for HEAD. I'm considering backpatching as >> well, to speed up all build machines. Comments on that? > > Let's see how it goes in the BF for HEAD, and then backpatc

Re: [HACKERS] Multicore builds on MSVC

2009-07-24 Thread Dave Page
On Fri, Jul 24, 2009 at 8:07 PM, Magnus Hagander wrote: > I'm going to apply this for HEAD. I'm considering backpatching as > well, to speed up all build machines. Comments on that? Let's see how it goes in the BF for HEAD, and then backpatch if it looks good. I'm keen to get the potential speedu

[HACKERS] Multicore builds on MSVC

2009-07-24 Thread Magnus Hagander
Hi! I have a simple one-line patch to enable the use of multiple CPUs or cores when building with MSVC. It is only inside the C compiler itself, but it makes about a 30-35% reduction in compile time on a fairly CPU-limited dual-CPU VM. It would probably do a lot more on for example a quadcore. It