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

2010-12-08 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

Hard float chroot

2010-12-08 Thread David Gilbert
Hi, As mentioned on the standup, I just got an armhf chroot going, thanks to markos for pointing me at using multistrap I put the following in a armhfmultistrap.conf and did multistrap -f armhfmultistrap.conf Once that's done, chroot in and then do dpkg --configure -a it's pretty sparse i

Re: risu instruction set test harness now publicly available

2010-12-08 Thread Dave Martin
On Wed, Dec 8, 2010 at 1:34 PM, Peter Maydell wrote: > On 8 December 2010 12:57, Dave Martin wrote: >> On Wed, Dec 8, 2010 at 12:04 PM, Peter Maydell >> wrote: >>> Hi. As part of my work on qemu I've written a simplistic random instruction >>> sequence generator and test harness. > >> I'd thoug

Re: risu instruction set test harness now publicly available

2010-12-08 Thread Peter Maydell
On 8 December 2010 12:57, Dave Martin wrote: > On Wed, Dec 8, 2010 at 12:04 PM, Peter Maydell > wrote: >> Hi. As part of my work on qemu I've written a simplistic random instruction >> sequence generator and test harness. > I'd thought about this sort of thing before, but there were some > inte

Re: risu instruction set test harness now publicly available

2010-12-08 Thread Dave Martin
On Wed, Dec 8, 2010 at 12:04 PM, Peter Maydell wrote: > Hi. As part of my work on qemu I've written a simplistic random instruction > sequence generator and test harness. To quote the README: > > risu is a tool intended to assist in testing the implementation of > models of the ARM architecture su

risu instruction set test harness now publicly available

2010-12-08 Thread Peter Maydell
Hi. As part of my work on qemu I've written a simplistic random instruction sequence generator and test harness. To quote the README: risu is a tool intended to assist in testing the implementation of models of the ARM architecture such as qemu and valgrind. In particular it restricts itself to co

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

2010-12-08 Thread Dave Martin
On Wed, Dec 8, 2010 at 5:59 AM, 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 4.4.1 (Code Sourcery). > Linaro (gcc-linaro-4.5-2010.11-1) > > Fla

Re: RFC: Dynamic hwcaps

2010-12-08 Thread Jamie Lokier
Dave Martin wrote: > On Sun, Dec 5, 2010 at 2:12 PM, Thomas Petazzoni > wrote: > > Hi, > > > > On Fri, 3 Dec 2010 16:28:27 + > > Dave Martin wrote: > > > >> This allows for more active power management of such functional > >> blocks: if the CPU is not fully loaded, you can turn them off -- th

Re: RFC: Dynamic hwcaps

2010-12-08 Thread Dave Martin
On Wed, Dec 8, 2010 at 11:01 AM, Jamie Lokier wrote: > Dave Martin wrote: >> On Sun, Dec 5, 2010 at 2:12 PM, Thomas Petazzoni >> wrote: >> > Hi, >> > >> > On Fri, 3 Dec 2010 16:28:27 + >> > Dave Martin wrote: >> > >> >> This allows for more active power management of such functional >> >> bl

Re: RFC: Dynamic hwcaps

2010-12-08 Thread Dave Martin
Hi, On Tue, Dec 7, 2010 at 9:15 PM, Ben Dooks wrote: [...] > > Could you do what the original FP did, and start with units off and use > the first use of $unit in the process to turn it on? Do things like NEON > support this? > Actually, this is still done -- it's the same code since NEON and