Behdad Esfahbod <beh...@behdad.org> writes: > On 09/26/2012 04:43 PM, Søren Sandmann wrote: >> Hi, >> >> Here is a new version of the floating point patches. The main changes >> since last time are: >> >> (a) It is now explicit that the only guarantee wrt. floating point >> exceptions is that divide-by-zero is not generated. So if an >> application enables for example FP_INVALID, it may crash. It can >> safely enablE FP_DIVBYZERO though. >> >> (b) pixman_expand_to_float() is faster. The first version was written >> in a way that caused gcc to generate divisions in the inner >> loop. The new version avoids that. >> >> Below are the results of some benchmark runs. From top to bottom: >> >> - Regular, unmodified pixman >> - With all compositing going through the current 16 bpc wide path >> - With all compositign going through the new floating point wide path > > What are the columns?
[test number], [cairo backend], [test name], [min time], [median time], [std variance] The 2/2 column I believe indicates that the test was run twice and two of those runs were used in the data gathering (ie., not considered outliers). Soren _______________________________________________ Pixman mailing list Pixman@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/pixman
