On 04/28/2014 04:22 PM, [email protected] wrote:
From: Brad Volkin <[email protected]>
For clients that submit large batch buffers the command parser has
a substantial impact on performance. On my HSW ULT system performance
drops as much as ~20% on some tests. Most of the time is spent in the
command lookup code. Converting that from the current naive search to
a hash table lookup reduces the performance impact by as much as ~10%.
I have another question - what about register lookups, do they come up
in profiling as significant?
Regards,
Tvrtko
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