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(from:
4c34691
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trivial optimization to printf: avoid wasted call frame
author
Rich Felker
<dalias@aerifal.cx>
Sat, 11 Aug 2012 02:18:49 +0000
(22:18 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Sat, 11 Aug 2012 02:18:49 +0000
(22:18 -0400)
amusingly, this cuts more than 10% off the run time of printf("a"); on
the machine i tested it on.
sadly the same optimization is not possible for snprintf without
duplicating all the pseudo-FILE setup code, which is not worth it.
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