Catalin Gabriel Manciu added the comment:
I've just posted the results to an OpenStack Swift benchmark run using the
patch from my proposition, issue #26382.
Victor's patch, applied to CPython 2.7, adds an extra 1% compared to mine
(which improved throughput by 1%), effectively doubling
Catalin Gabriel Manciu added the comment:
Our Haswell-EP OpenStack Swift setup shows a 1% improvement in throughput rate
using CPython 2.7 (5715a6d9ff12) with this patch.
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Catalin Gabriel Manciu added the comment:
Hi all,
Please find below the results from a complete GUPB run on a patched CPython
3.6. In average, an improvement of about 2.1% can be observed.
I'm also attaching an implementation of the patch for CPython 2.7 and its
benchmark results. On GUPB
Catalin Gabriel Manciu added the comment:
Theoretically, an object type that consistently allocates more than the small
object threshold would perform a bit slower because
it would first jump to the small object allocator, do the size comparison and
then jump to malloc. There would be a small
Catalin Gabriel Manciu added the comment:
Hi Victor,
This patch follows the same idea as your proposal, but it's focused on a single
object type. I think doing this incrementally is the safer approach, allowing
us to have finer control over the new
areas where we enable allocating using
Changes by Catalin Gabriel Manciu <catalin.gabriel.man...@intel.com>:
Added file: http://bugs.python.org/file41954/listobject_CPython2.patch
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New submission from Catalin Gabriel Manciu:
Hi All,
This is Catalin from the Server Scripting Languages Optimization Team at Intel
Corporation. I would like to submit a patch that replaces the 'malloc'
allocator used by the list object (Objects/listobject.c) with the small object
allocator
