hg: code-tools/jmh: Make percentile estimation much less memory hungry: before it used O(N) space, now uses O(1) for multiset statistics; list statistics makes less copies.

[aleksey.shipilev at oracle.com]

Changeset: e43d8ad0152c
Author:    shade
Date:      2014-03-17 18:30 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/e43d8ad0152c

Make percentile estimation much less memory hungry: before it used O(N) space, now uses O(1) for multiset statistics; list statistics makes less copies.

! jmh-core/src/main/java/org/openjdk/jmh/util/internal/ListStatistics.java
! jmh-core/src/main/java/org/openjdk/jmh/util/internal/MultisetStatistics.java