Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicatecode

[Jeremy Fitzhardinge]

On 06/24/2011 02:50 PM, H. Peter Anvin wrote:
> On 06/23/2011 06:19 PM, Jeremy Fitzhardinge wrote:
>> I've been running with this code in place for several months on 4 core
>> systems without any problems.
>>
>> I couldn't measure a consistent performance difference between the two
>> implemenations; there seemed to be +/- ~1% +/-, which is the level of
>> variation I see from simply recompiling the kernel with slightly
>> different code alignment.
>>
>> Overall, I think the large reduction in code size is a big win.
>>
> Could you give us the delta in *compiled* code size?

Sure.  Do you mean for the individual lock sequences, or for the overall
kernel?

    J
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/