Re: [BENCHMARK] 2.4.{18,19{-ck9},20rc1{-aa1}} with contest

[Con Kolivas <conman@kolivas.net>]

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>Con Kolivas wrote:
>> io_load:
>> Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
>> 2.4.18 [3]              474.1   15      36      10      6.64
>> 2.4.19 [3]              492.6   14      38      10      6.90
>> 2.4.19-ck9 [2]          140.6   49      5       5       1.97
>> 2.4.20-rc1 [2]          1142.2  6       90      10      16.00
>> 2.4.20-rc1aa1 [1]       1132.5  6       90      10      15.86
>
>2.4.20-pre3 included some elevator changes.  I assume they are the
>cause of this.  Those changes have propagated into Alan's and Andrea's
>kernels.   Hence they have significantly impacted the responsiveness
>of all mainstream 2.4 kernels under heavy writes.
>
>(The -ck patch includes rmap14b which includes the read-latency2 thing)

Thanks for the explanation. I should have said this was ck with compressed 
caching; not rmap.

Con.
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