On 19.05.2012 19:04, Andy Polyakov wrote:
I did observe more than 20% on Opteron, but on Core2/Sandy Bridge
I get only 13-11%...
Well, I've got 984 / 1170 clocks on Core 2 (17%)
and 1033 / 1250 on Core i5 (Westmere) (18%)
Out of curiosity, how fast is updated code from CVS on Westmere?
Sorry, too many codenames. It is Lynnfield. And the result exactly for
Lynnfield is unexpected, see below:
clocks for 1.5 / 1.6 / my version:
Core2 1170 / 1131 / 984
Core i5 1250 / 1430 (!) / 1033
P4 Northwood 2108 / 2046 / 1957
AMD K10 1270 / 1200 / 1058
The same slowdown for 1.6 version I observed for Clarkdale.
--
SY / C4acT/\uBo Pavel Semjanov
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