#4: use SSE2 to speed up multiplication
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Reporter: zooko | Owner: somebody
Type: enhancement | Status: new
Priority: major | Milestone:
Component: component1 | Version:
Keywords: | Launchpad_bug:
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Jack Lloyd contributed a patch that speeds up encoding using SSE2
instructions (on some platforms). Unfortunately there is this mysterious
problem where it actually causes it to slow down when it is executed from
Python! So this patch probably shouldn't be applied as-is, but someone
should investigate and figure out why it causes a slowdown when invoked
from Python but not from C.
http://allmydata.org/pipermail/tahoe-dev/2009-February/001066.html
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Ticket URL: <http://allmydata.org/trac/zfec/ticket/4>
allmydata.org "zfec" <http://allmydata.org/>
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