Balazs Hevele has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/24154


Change subject: WIP IMPALA-14852 Codegen tuple copy for Broadcast Exchange
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WIP IMPALA-14852 Codegen tuple copy for Broadcast Exchange

Use Tuple::TryDeepCopy in RowBatch/OutboundRowBatch instead of DeepCopy.
For most tuples, this should save an extra size calculation, because the
size of the whole row is not calculated anymore before the copying, only
if a tuple doesn't fit, is its size calculated.

TODO:
-add codegen for Tuple::TryDeepCopy

Change-Id: Iaa43e949c63db047717104dbbe42d47f94ebf2d0
---
M be/src/benchmarks/row-batch-serialize-benchmark.cc
M be/src/runtime/krpc-data-stream-sender.cc
M be/src/runtime/outbound-row-batch.cc
M be/src/runtime/outbound-row-batch.h
M be/src/runtime/outbound-row-batch.inline.h
M be/src/runtime/row-batch.cc
M be/src/runtime/row-batch.h
7 files changed, 116 insertions(+), 150 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/54/24154/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Iaa43e949c63db047717104dbbe42d47f94ebf2d0
Gerrit-Change-Number: 24154
Gerrit-PatchSet: 1
Gerrit-Owner: Balazs Hevele <[email protected]>

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