[Libreoffice-qa] minutes of ESC call ...
markus.mohrhard at googlemail.com
Thu Nov 26 10:03:21 PST 2015
Hey Michael, Keny, Eike,
On Thu, Nov 26, 2015 at 5:51 PM, Michael Meeks <michael.meeks at collabora.com>
> + calc s/w interpreter-related patch
> [ also got in before the freeze; an 18x speedup on CPU for
> some test sheets; currently guarded by a variable - and
> subsetting to just some sheets.
> + plan to test with crash-testing sheets & enable by
> Would like to look at it (Eike)
> + dislike env.vars set - avoids the unit-tests
> + plan to remove it before ship (Kendy)
> + turn into normal config & default ->
> + would like to turn it on now - default on for
> user-testing (Kendy)
> + optional B2 in the release-plan (Cloph)
> + can have an intermediate release.
> + goal of the code - vectors of doubles
> + formula results (Michael)
> + moves big chunk of ptr chasing & branching
> from inner loop.
please add a performance test that ensures that future refactorings won't
regress here. In general any patch claiming performance improvements should
be accompanied by a performance test to make sure that we can still
refactor the code without someone complaining that we introduced huge
Related to the code I wanted to mention that the getenv calls should be
cached in a static variable as they might become expensive when called
repeatedly and that the new virtual method calls are not free so I would
like to see some before and after numbers for both the supposed 18x speedup
case and our normal matrix handling code.
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