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CVS log for src/lib/libc/stdlib/qsort.c

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Default branch: MAIN
Current tag: matt-nb8-mediatek


Revision 1.23 / (download) - annotate - [select for diffs], Fri May 19 19:48:19 2017 UTC (2 years, 6 months ago) by christos
Branch: MAIN
CVS Tags: phil-wifi-base, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, HEAD
Changes since 1.22: +26 -12 lines
Diff to previous 1.22 (colored)

The BSD qsort() performs tail recursion elimination on the second
side of the array being partitioned to save on stack space.  Greater
savings can be gained by choosing recursion for the smaller side
of the partition and eliminating recursion for the larger side.
This also results in a small but measurable performance gain.
(From OpenBSD)

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