Behalf Of Jie Zhang
>> Sent: Tuesday, February 24, 2009 3:37 AM
>> To: Robin Getz
>> Cc: toolchain-devel@blackfin.uclinux.org
>> Subject: Re: [toolchain-devel] [PATCH] Use div and mod functions from VDSP
>>
>> Robin Getz wrote:
>>> On Mon 23 Feb 2009 10:
Robin Getz wrote:
> On Mon 23 Feb 2009 10:12, Jie Zhang pondered:
>> These two patches make gcc use div and mod functions from VDSP 5.0
>> update 5. I measured the time of 1 loops of 1 divisions of
>> random intergers:
>>
>> old new
>> 32bit/32bit44.72s 12.04s
>
Jie Zhang wrote:
> These two patches make gcc use div and mod functions from VDSP 5.0
> update 5. I measured the time of 1 loops of 1 divisions of
> random intergers:
>
>old new
> 32bit/32bit44.72s 12.04s
> 32bit/16bit44.72s 17.96s
> 16bit/16bit44.82s
On Mon 23 Feb 2009 10:12, Jie Zhang pondered:
> These two patches make gcc use div and mod functions from VDSP 5.0
> update 5. I measured the time of 1 loops of 1 divisions of
> random intergers:
>
> old new
> 32bit/32bit44.72s 12.04s
> 32bit/16bit44.72s
These two patches make gcc use div and mod functions from VDSP 5.0
update 5. I measured the time of 1 loops of 1 divisions of
random intergers:
old new
32bit/32bit44.72s 12.04s
32bit/16bit44.72s 17.96s
16bit/16bit44.82s 12.11s
So there is much perf
