Re: Perfromance Test Results using gcc-linaro-4.5-2010.11-1

2010-12-09 Thread Andrew Stubbs
On 08/12/10 05:59, Prashanth S wrote: Dear All Our team in Samsung collected some performance metrics for the following 3 GCC cross compilers 1. Gentoo Complier(part of Chrome OS Build Environment) 2. GCC 4.4.1 (Code Sourcery). 3. Linaro (gcc-linaro-4.5-2010.11-1) I'd be interested to

Re: Perfromance Test Results using gcc-linaro-4.5-2010.11-1

2010-12-09 Thread Richard Earnshaw
On Thu, 2010-12-09 at 13:31 +1300, Michael Hope wrote: > On Wed, Dec 8, 2010 at 7:10 PM, Michael Hope wrote: > -fno-common also gives a small improvement in various benchmarks, but > may break some programs. Any breakage with -fno-common would be detected at link time, so if your program compile

Re: Hard float chroot

2010-12-09 Thread Loïc Minier
On Wed, Dec 08, 2010, David Gilbert wrote: > multistrap -f armhfmultistrap.conf FTR, I was also successful in the past in creating armhf chroots with qemu-debootstrap. Something like: sudo qemu-debootstrap \ --arch=armhf sid sid-armhf http://ftp.debian-ports.org/debian/ should

Silverbell

2010-12-09 Thread David Gilbert
Hi, Those of you use silverbell may be glad to know it's back up. Be a little careful, if you shovel large amounts of stuff over it's network the network tends to disappear. (Not sure if this is hardware or driver) Dave ___ linaro-toolchain mailing lis

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Andrew Stubbs
On 26/11/10 11:11, Andrew Stubbs wrote: As we discussed on Monday, I think it might be helpful to get a number of knowledgeable people together on a call to discuss GCC optimization opportunities. So, I'd like to get some idea of who would like to attend, and we'll try to find a slot we can all

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Mark Mitchell
On 12/9/2010 6:42 AM, Andrew Stubbs wrote: > Either Wednesday 15th December at 9am UTC > Or Thursday 16th 6pm UTC > > If selected these times so that Michael can attend. Obviously the former > is more palatable to Europeans, and the latter allows Americans to join, > if we have any inte

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Julian Brown
On Thu, 09 Dec 2010 14:42:49 + Andrew Stubbs wrote: > On 26/11/10 11:11, Andrew Stubbs wrote: > > As we discussed on Monday, I think it might be helpful to get a > > number of knowledgeable people together on a call to discuss GCC > > optimization opportunities. > > > > So, I'd like to get so

[ACTIVITY] 2010-12-09

2010-12-09 Thread David Gilbert
Mostly more working with libffi; swapping some ideas back and forwards with Marcus Shawcroft and it looks like we have a good way forward. Got an armhf chroot going, libffi built. Got a testcase failing as expected. Trying to look at other processors ABIs to understand why varargs works for anyone

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Ramana Radhakrishnan
Sent from my iPad On 9 Dec 2010, at 15:19, "Julian Brown" wrote: > On Thu, 09 Dec 2010 14:42:49 + > Andrew Stubbs wrote: > >> On 26/11/10 11:11, Andrew Stubbs wrote: >>> As we discussed on Monday, I think it might be helpful to get a >>> number of knowledgeable people together on a call

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Ramana Radhakrishnan
Hit send accidentally on my last mail. Sorry On 9 Dec 2010, at 15:19, "Julian Brown" wrote: > On Thu, 09 Dec 2010 14:42:49 + > Andrew Stubbs wrote: > >> On 26/11/10 11:11, Andrew Stubbs wrote: >>> As we discussed on Monday, I think it might be helpful to get a >>> number of knowledgeable

Re: GCC Optimization Brain Storming Session

2010-12-09 Thread Peter Maydell
On 9 December 2010 21:51, Ramana Radhakrishnan wrote: > On 9 Dec 2010, at 15:19, "Julian Brown" wrote: >>  * Load/store multiple instructions: GCC only generates these from >>    load_multiple/store_multiple (from a couple of places where hard >>    registers are already known, e.g. function prol

Re: Perfromance Test Results using gcc-linaro-4.5-2010.11-1

2010-12-09 Thread Michael Hope
On Wed, Dec 8, 2010 at 7:10 PM, Michael Hope wrote: > On Wed, Dec 8, 2010 at 6:59 PM, Prashanth S wrote: >> >> Dear All >> >>     Our team in Samsung collected some performance metrics for the following >> 3 GCC cross compilers >> >> Gentoo Complier(part of Chrome OS Build Environment) >> GCC 4.4