Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/13807 )

Change subject: IMPALA-8741: Speed up bit unpacking by vectorisation
......................................................................


Patch Set 4:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/13807/4/be/src/util/bit-packing.inline.h
File be/src/util/bit-packing.inline.h:

http://gerrit.cloudera.org:8080/#/c/13807/4/be/src/util/bit-packing.inline.h@84
PS4, Line 84:   if (LIKELY((std::is_same<OutType, uint8_t>::value
> I modified ParquetBoolDecoder and some tests to only allow unsigned integer
Thank you for doing this, nice to have fewer cases to handle in this code.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9e452a547973778bbd8d768c608e1a32e948f947
Gerrit-Change-Number: 13807
Gerrit-PatchSet: 4
Gerrit-Owner: Daniel Becker <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Daniel Becker <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Thu, 25 Jul 2019 00:17:46 +0000
Gerrit-HasComments: Yes

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