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go/container
Alan Donovan 61c5c64029 go.tools/container/intsets: Sparse: a space-efficient representation for ordered sets of int values.
intsets.Sparse is a sparse bit vector.  It uses space proportional
to the number of elements, not the maximum element (as is the case		for a dense bit vector).

A forthcoming CL will make use of it in go/pointer, where it reduces
solve time by 78%.  A similar representation is used for Andersen's
analysis in gcc and LLVM.

+ Tests.

LGTM=sameer, crawshaw, gri
R=gri
CC=crawshaw, golang-codereviews, sameer
https://golang.org/cl/10837043
2014-05-14 17:54:14 -04:00
..
intsets go.tools/container/intsets: Sparse: a space-efficient representation for ordered sets of int values. 2014-05-14 17:54:14 -04:00