Processors Toolkit
Story: Hyperthreading hurts server performance, say developers
Posted by: Bovine (Saturday 19 November 2005, 8:14 PM)
This is not a new discovery. Hyperthreading causes unexpected table deadlocks and SQL rollbacks on IBM DB2 when running on Linux (tested on RHES 3 and 2.1). True dual processors do not cause the problem, only why hyperthreading is enabled. IBM support recommended to us to disable hyperthreading, which we in turn recommend to our customers that run our product.
Full Talkback thread
Story: Hyperthreading hurts server performance, say developers
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Intel sucks! Jonas Otero -
INTEL Sossaman will suffer from cache thrashing an... sharikou
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Has anyone else tried turning HyperThreading off a... Anonymous
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This is not a new discovery. Hyperthreading cause... Bovine -
I think you meant, "Thrash" the L1 & L2 cache... n... Anonymous
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I believe the description of "trash" was accu... Anonymous -
Why are they running a communication program like... Anonymous
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This tecnology also hurts application performance... Lincoln Oliveira
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When hyperthreading first came out, I found a 2 pr... Anonymous
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I got a 10% boost from hyperthreading...see my tes... Ian Ippolito
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