[Impala-ASF-CR] IMPALA-5988: optimise MemPool::TryAllocate()

["Tim Armstrong (Code Review)" <ge...@cloudera.org>]

Tim Armstrong has uploaded a new patch set (#2). ( http://gerrit.cloudera.org:8080/8145 )

Change subject: IMPALA-5988: optimise MemPool::TryAllocate()
......................................................................

IMPALA-5988: optimise MemPool::TryAllocate()

Testing:
Ran core tests.

Perf:
Experiments using this on top of a WIP Avro patch for IMPALA-5307
showed noticable improvements in CPU efficiency - up to 10%

Change-Id: I088012084fe535a67a3cd1103ced5a02027f961a
---
M be/src/exec/analytic-eval-node.cc
M be/src/exec/data-source-scan-node.cc
M be/src/exec/hdfs-text-scanner.cc
M be/src/exec/text-converter.inline.h
M be/src/exprs/scalar-expr-evaluator.cc
M be/src/runtime/mem-pool.h
6 files changed, 30 insertions(+), 21 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/45/8145/2
-- 
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I088012084fe535a67a3cd1103ced5a02027f961a
Gerrit-Change-Number: 8145
Gerrit-PatchSet: 2
Gerrit-Owner: Tim Armstrong <ta...@cloudera.com>