6d1c507bfc
At least when we're inserting/replacing near the end of a slice, when we have to grow it use the same multiplicative growth factor that the runtime uses for append. Before this CL, we would grow the slice one page (8192 bytes) at a time for large slices. This would cause O(n^2) work when appending near the end should only take O(n) work. This doesn't fix the problem if you insert/replace near the start of the array, but maybe that doesn't need fixing because it is O(n^2) anyway. Fixes #60134 Change-Id: If05376bc512ab839769180e5ce4cb929f47363b1 Reviewed-on: https://go-review.googlesource.com/c/go/+/495296 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> |
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