Re: Effect of alignment and peeling on vectorised loops

2011-11-30 Thread Ira Rosen
On 30 November 2011 02:33, Michael Hope wrote: > I then converted the vld1 and vst1 to specifiy an alignment of 64 > bits. See: >  http://people.linaro.org/~michaelh/incoming/set-alignment.png > > This improved the throughput in all cases and in cases for more than 50 > words by 14 %.  This graph

Re: gcc4.6,how to remove werror

2011-11-30 Thread Dave Martin
On Tue, Nov 29, 2011 at 09:43:01PM +0700, tknv wrote: > This issue happend,when I was compiling ARM kernel. > I could not get it where -Werror gets overriden in tools/perf. > Could you tell me where is it ? In tools/perf/Makefile: 34:# Define WERROR=0 to disable treating any warnings as errors. 6

Re: Effect of alignment and peeling on vectorised loops

2011-11-30 Thread Michael Hope
On Thu, Dec 1, 2011 at 12:20 AM, Ira Rosen wrote: > On 30 November 2011 02:33, Michael Hope wrote: > >> I then converted the vld1 and vst1 to specifiy an alignment of 64 >> bits. See: >>  http://people.linaro.org/~michaelh/incoming/set-alignment.png >> >> This improved the throughput in all cases

Re: Effect of alignment and peeling on vectorised loops

2011-11-30 Thread Michael Hope
On Thu, Dec 1, 2011 at 12:20 AM, Ira Rosen wrote: > On 30 November 2011 02:33, Michael Hope wrote: > >> I then converted the vld1 and vst1 to specifiy an alignment of 64 >> bits. See: >>  http://people.linaro.org/~michaelh/incoming/set-alignment.png >> >> This improved the throughput in all cases