76cc881ef0
Move the checks for empty rotate changes from the beginning of rotate to the callers. Remove additional variable p used instead of existing m with same value. Remove special casing of equal ranges (i==j) to exit early as no work is saved vs checking (i!=j) and making a single swapRange call if this is false. benchmark old ns/op new ns/op delta BenchmarkStableString1K 417195 425218 +1.92% BenchmarkStableInt1K 126661 124498 -1.71% BenchmarkStableInt64K 10365014 10417438 +0.51% BenchmarkStable1e2 132151 130648 -1.14% BenchmarkStable1e4 42027428 40812649 -2.89% BenchmarkStable1e6 8524772364 8430192391 -1.11% Change-Id: Ia7642e9d31408496970c700f5843d53cc3ebe817 Reviewed-on: https://go-review.googlesource.com/2100 Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> |
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