2009/5/7 Scott Long <scottl_at_samsco.org>: > Ollivier Robert wrote: >> >> On 7/05/2009 10:17, Bob Bishop wrote: >>> >>> AFAICS the reference doesn't support that conclusion at all. >> >> Nehalem CPUs'HT feature is significantly different from the one present in >> previous P4 CPUs. Apparently, Nehalem's HT works. Memory bandwidth being >> much higher helps too. >> > > I keep here the anecdote that "it's better". Is there a good reference > somewhere that describes exactly how it works? > > Scott Hi. There is a number of synthetic, low-level, and h/level application nehalem tests flowing around in Russian. Also, not far ago (31.12.2008 18:09) Intel has published the Intel Optimization Reference Manual for x32/64. (see ch. 8). It might be useful. http://download.intel.com/design/processor/manuals/248966.pdf. -- wbr, pluknetReceived on Fri May 08 2009 - 09:13:52 UTC
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