[RFC PATCH 9/9] powerpc: rewrite local_t using soft_irq
maddy at linux.vnet.ibm.com
Tue Jul 26 16:41:48 AEST 2016
On Tuesday 26 July 2016 11:23 AM, Nicholas Piggin wrote:
> On Mon, 25 Jul 2016 20:22:22 +0530
> Madhavan Srinivasan <maddy at linux.vnet.ibm.com> wrote:
>> Modifications to Rusty's benchmark code:
>> - Executed only local_t test
>> Here are the values with the patch.
>> Time in ns per iteration
>> Local_t Without Patch With Patch
>> _inc 28 8
>> _add 28 8
>> _read 3 3
>> _add_return 28 7
>> Tested the patch in a
>> - pSeries LPAR (with perf record)
> Very nice. I'd like to see these patches get in. We can
> probably use the feature in other places too.
Thanks for review.
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