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Add batching to arena bins.

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This adds a fast-path for threads freeing a small number of allocations to
bins which are not their "home-base" and which encounter lock contention in
attempting to do so. In producer-consumer workflows, such small lock hold times
can cause lock convoying that greatly increases overall bin mutex contention.
This commit is contained in:
David Goldblatt 2024-02-09 16:08:45 -08:00 • committed by David Goldblatt
parent 44d91cf243
commit fc615739cb
16 changed files with 722 additions and 78 deletions
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Makefile.in
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@ -206,6 +206,7 @@ TESTS_UNIT := \
$(srcroot)test/unit/base.c \
$(srcroot)test/unit/batch_alloc.c \
$(srcroot)test/unit/batcher.c \
$(srcroot)test/unit/bin_batching.c \
$(srcroot)test/unit/binshard.c \
$(srcroot)test/unit/bitmap.c \
$(srcroot)test/unit/bit_util.c \