Mailing-List: contact dev-help@impala.incubator.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@impala.incubator.apache.org
Message-Id: <201607221645.u6MGj87b019496@ip-10-146-233-104.ec2.internal>
Date: Fri, 22 Jul 2016 16:45:08 +0000
From: "Jim Apple (Code Review)" <gerrit@cloudera.org>
To: Youwei Wang <youwei.a.wang@intel.com>, impala-cr@cloudera.com,
        dev@impala.incubator.apache.org
CC: Alex Behm <alex.behm@cloudera.com>, Marcel Kornacker <marcel@cloudera.com>,
        Tim Armstrong <tarmstrong@cloudera.com>,
        Mostafa Mokhtar <mmokhtar@cloudera.com>,
        Jim Apple <jbapple@cloudera.com>
Reply-To: jbapple@cloudera.com
Subject: =?UTF-8?Q?=5BImpala-CR=5D=28cdh5-trunk=29_IMPALA-2809=3A_Improve_ByteSwap_with_builtin_function_or_SSSE3_or_AVX2=2E=0A?=
In-Reply-To: <gerrit.1463366740000.I392ed5a8d5683f30f161282c228c1aedd7b648c1@gerrit.cloudera.org>
References: <gerrit.1463366740000.I392ed5a8d5683f30f161282c228c1aedd7b648c1@gerrit.cloudera.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Content-Disposition: inline
User-Agent: Gerrit/2.12.2
archived-at: Fri, 22 Jul 2016 16:45:17 -0000

Jim Apple has posted comments on this change.

Change subject: IMPALA-2809: Improve ByteSwap with builtin function or SSSE3 or AVX2.
......................................................................


Patch Set 34:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/3081/32/be/src/benchmarks/bswap-benchmark.cc
File be/src/benchmarks/bswap-benchmark.cc:

Line 46: //       AVX2    25.57X
> Hi Jim. I have rerun this benchmark using the latest benchmarking output sy
Go ahead and put the wide result in, please.


http://gerrit.cloudera.org:8080/#/c/3081/34/be/src/benchmarks/bswap-benchmark.cc
File be/src/benchmarks/bswap-benchmark.cc:

PS34, Line 42: Average
median


http://gerrit.cloudera.org:8080/#/c/3081/34/be/src/util/bit-util.cc
File be/src/util/bit-util.cc:

Line 19: inline void ByteSwapScalarLoop(void* dst, const void* src, int len) {
Take this out of namespace impala - if it is only used in this files, put it in an anonymous namespace.


-- 
To view, visit http://gerrit.cloudera.org:8080/3081
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: comment
Gerrit-Change-Id: I392ed5a8d5683f30f161282c228c1aedd7b648c1
Gerrit-PatchSet: 34
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Youwei Wang <youwei.a.wang@intel.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Jim Apple <jbapple@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <marcel@cloudera.com>
Gerrit-Reviewer: Mostafa Mokhtar <mmokhtar@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: Youwei Wang <youwei.a.wang@intel.com>
Gerrit-HasComments: Yes