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Re: [PATCH]: Performance improve on ARM memset
On Wed, 2008-10-29 at 15:01 -0700, Min Zhang wrote:
> I am using ARMv6 on omap2430 board. I believe the arch ref is
> http://www.arm.com/miscPDFs/14128.pdf. Here is the /proc/cpuinfo:
Oh, right. OMAP2430 is ARM1136, which does have a 64-bit datapath
between the core and memory system. So yes, in this case you will
indeed get better performance with STM compared to STR+STR since the
core can dispatch both words in a single cycle.
p.