Re: [U-Boot] [PATCH] Reduce build times

2011-11-03 Thread Aneesh V
Hi Daniel, Wolfgang, On Thursday 03 November 2011 08:55 PM, Daniel Schwierzeck wrote: > Hi Wolfgang, [snip ..] > > Conclusion: > - complete build time reduced from 1m11s to 20s > - incremental rebuild time reduced from 20s to 3s > - cc-option calls reduced from 3024 to 8 > - execve calls reduced f

Re: [U-Boot] [PATCH] Reduce build times

2011-11-03 Thread Wolfgang Denk
Dear Daniel Schwierzeck, In message you wrote: > > Conclusion: > - complete build time reduced from 1m11s to 20s > - incremental rebuild time reduced from 20s to 3s > - cc-option calls reduced from 3024 to 8 > - execve calls reduced from 16502 to 3329 That's really cool. Can we please add ano

Re: [U-Boot] [PATCH] Reduce build times

2011-11-03 Thread Daniel Schwierzeck
Hi Wolfgang, On Wed, Nov 2, 2011 at 11:48 PM, Wolfgang Denk wrote: > Dear Daniel Schwierzeck, > > In message > you > wrote: >> >> On Wed, Nov 2, 2011 at 7:54 AM, Wolfgang Denk wrote: >> > U-Boot Makefiles contain a number of tests for compiler features etc. >> > which so far are executed agai

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Mike Frysinger
On Wednesday 02 November 2011 02:54:02 Wolfgang Denk wrote: > U-Boot Makefiles contain a number of tests for compiler features etc. > which so far are executed again and again. On some architectures > (especially ARM) this results in a large number of calls to gcc. seems to shave ~10% off for Bla

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread 馬克泡
HI Wolfgang, 2011/11/2 Wolfgang Denk : > U-Boot Makefiles contain a number of tests for compiler features etc. > which so far are executed again and again.  On some architectures > (especially ARM) this results in a large number of calls to gcc. board before after reduction adp-ag1

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Daniel Schwierzeck
Hi Wolfgang, On 02.11.2011 23:48, Wolfgang Denk wrote: > Dear Daniel Schwierzeck, > > In > message > you wrote: >> >> On Wed, Nov 2, 2011 at 7:54 AM, Wolfgang Denk wrote: >>> U-Boot Makefiles contain a number of tests for compiler features etc. >>> which so far are executed again and again. =C

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Wolfgang Denk
Dear Daniel Schwierzeck, In message you wrote: > > On Wed, Nov 2, 2011 at 7:54 AM, Wolfgang Denk wrote: > > U-Boot Makefiles contain a number of tests for compiler features etc. > > which so far are executed again and again. =C2=A0On some architectures > > (especially ARM) this results in a la

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Daniel Schwierzeck
Hi Wolfgang, On Wed, Nov 2, 2011 at 7:54 AM, Wolfgang Denk wrote: > U-Boot Makefiles contain a number of tests for compiler features etc. > which so far are executed again and again.  On some architectures > (especially ARM) this results in a large number of calls to gcc. > > This patch makes sur

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Simon Glass
: Wednesday, November 02, 2011 12:24 PM >>> To: u-boot@lists.denx.de >>> Cc: Graeme Russ; Kumar Gala; Albert Aribaud; Andy Fleming >>> Subject: [U-Boot] [PATCH] Reduce build times >>> >>> U-Boot Makefiles contain a number of tests for compiler features etc. &

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Tom Rini
>> Cc: Graeme Russ; Kumar Gala; Albert Aribaud; Andy Fleming >> Subject: [U-Boot] [PATCH] Reduce build times >> >> U-Boot Makefiles contain a number of tests for compiler features etc. >> which so far are executed again and again.  On some architectures >> (especial

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Premi, Sanjeev
> -Original Message- > From: u-boot-boun...@lists.denx.de > [mailto:u-boot-boun...@lists.denx.de] On Behalf Of Wolfgang Denk > Sent: Wednesday, November 02, 2011 12:24 PM > To: u-boot@lists.denx.de > Cc: Graeme Russ; Kumar Gala; Albert Aribaud; Andy Fleming > Sub

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Matthias Weißer
Am 02.11.2011 07:54, schrieb Wolfgang Denk: > U-Boot Makefiles contain a number of tests for compiler features etc. > which so far are executed again and again. On some architectures > (especially ARM) this results in a large number of calls to gcc. > > This patch makes sure to run such tests only

Re: [U-Boot] [PATCH] Reduce build times

2011-11-02 Thread Graeme Russ
Hi Wolfgang, On 02/11/11 17:54, Wolfgang Denk wrote: > U-Boot Makefiles contain a number of tests for compiler features etc. > which so far are executed again and again. On some architectures > (especially ARM) this results in a large number of calls to gcc. > > This patch makes sure to run such

[U-Boot] [PATCH] Reduce build times

2011-11-01 Thread Wolfgang Denk
U-Boot Makefiles contain a number of tests for compiler features etc. which so far are executed again and again. On some architectures (especially ARM) this results in a large number of calls to gcc. This patch makes sure to run such tests only once, thus largely reducing the number of "execve" s