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Robert Griesemer authored
When building make.bash, calling Nodes.Set(s) where len(s) == 0 occurs 4738678 times vs 1465415 calls where len(s) > 0; i.e., it is over 3x more common to set Nodes.slice to nil rather than to s. Make a copy of slice (header) and take address of that copy instead to avoid allocating the argument slice on the heap always even when not needed. Saves 4738678 slice header allocations and slice header value copies. Change-Id: I88e8e919ea9868ceb2df46173d187af4109bd947 Reviewed-on: https://go-review.googlesource.com/21241Reviewed-by:
Alan Donovan <adonovan@google.com>
621aa713
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