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Teddy Choi commented on HIVE-10238:
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Updated a patch on
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Teddy Choi commented on HIVE-10179:
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Hello [~chengxiang li].
I found there is more room
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Teddy Choi commented on HIVE-10238:
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Hello [~mmokhtar] and [~chengxiang li].
I think
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Teddy Choi commented on HIVE-11521:
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Sorry. The benchmark result above shows the
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Teddy Choi commented on HIVE-11521:
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[~Ferd] I see. I will try some benchmark test at
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Teddy Choi commented on HIVE-11521:
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[~Ferd] I don't have its HQL performance data yet.
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Teddy Choi reassigned HIVE-10238:
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Assignee: Teddy Choi (was: Chengxiang Li)
Loop optimization for SIMD in IfExprColumnColumn.txt
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Teddy Choi commented on HIVE-10238:
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Dear [~chengxiang li]. My benchmark results shows
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Teddy Choi updated HIVE-10238:
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Attachment: HIVE-10238.patch
Attached a patch file.
- Removes IfExprColumnColumn.txt
- Adds optimized
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Teddy Choi commented on HIVE-10238:
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[~chengxiang li], I uploaded it on
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Teddy Choi updated HIVE-10238:
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Attachment: HIVE-10238.2.patch
Removed unnecessary codes.
Loop optimization for SIMD in
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Teddy Choi updated HIVE-11533:
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Description:
Long*CompareLong* classes can be optimized with subtraction and bitwise
operators for
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Teddy Choi updated HIVE-11529:
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Priority: Minor (was: Major)
Loop optimization for SIMD in IfExprLong*Long*
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Teddy Choi updated HIVE-12348:
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Attachment: HIVE-12348.patch
I compared FastByteComparisons#UnsafeComparer and Java 8's String#compare,
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Teddy Choi commented on HIVE-11529:
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The performance increase is not consistent. I will investigate
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Teddy Choi updated HIVE-12348:
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Summary: String comparison optimization for SIMD (was: String comparison
optimization)
> String
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Teddy Choi updated HIVE-11529:
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Attachment: (was: HIVE-11529.2.patch)
> Loop optimization for SIMD in IfExprLong*Long*
>
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Teddy Choi updated HIVE-11529:
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Attachment: HIVE-11529.2.patch
> Loop optimization for SIMD in IfExprLong*Long*
>
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Teddy Choi updated HIVE-11529:
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Attachment: HIVE-11529.2.patch
Removed duplicated semicolons.
> Loop optimization for SIMD in
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Teddy Choi updated HIVE-12348:
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Summary: Byte array comparison optimization for SIMD (was: String
comparison optimization for SIMD)
>
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Teddy Choi updated HIVE-12348:
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Description:
The current byte comparison implementation in Hive is basic. It handles a byte
(1 byte)
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Teddy Choi updated HIVE-12219:
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Summary: Remove unnecessary whitespaces in vectorization code (was: Format
IfExpr*.txt and its
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Teddy Choi updated HIVE-12219:
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Component/s: Vectorization
> Remove unnecessary white spaces in vectorization code
>
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Teddy Choi updated HIVE-12219:
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Parent Issue: HIVE-4160 (was: HIVE-10179)
> Remove unnecessary white spaces in vectorization code
>
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Teddy Choi updated HIVE-12219:
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Description: There are unnecessary white spaces in vectorization code. The
code generation template
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Teddy Choi updated HIVE-12219:
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Summary: Remove unnecessary white spaces in vectorization code (was:
Remove unnecessary whitespaces in
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Teddy Choi updated HIVE-12219:
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Attachment: HIVE-12219.patch
Removed unnecessary white spaces from 80 files.
> Remove unnecessary
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Teddy Choi updated HIVE-12358:
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Attachment: HIVE-12358.patch
> Categorize vectorization benchmarks into arithmetic, comparison, logic
>
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Teddy Choi commented on HIVE-11529:
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Review request on https://reviews.apache.org/r/39503/
> Loop
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Teddy Choi updated HIVE-11529:
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Labels: optimi (was: )
> Loop optimization for SIMD in IfExprLong*Long*
>
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Teddy Choi updated HIVE-11529:
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Labels: (was: optimi)
> Loop optimization for SIMD in IfExprLong*Long*
>
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Teddy Choi updated HIVE-11529:
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Attachment: HIVE-11529.patch
I attached a patch file.
{{IfExprLongColumnLongScalar}},
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.5.patch
[~chengxiang li], I agree. I ran the benchmarks with "selectedInUse",
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Teddy Choi commented on HIVE-11533:
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I created a review request on https://reviews.apache.org/r/39066/
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Teddy Choi updated HIVE-11533:
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Summary: Loop optimization for SIMD in integer comparisons (was: Loop
optimization for SIMD in
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.4.patch
Fixed remaining bugs and added more comments and unit tests.
Integer
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.4.patch
> Loop optimization for SIMD in Long*CompareLong*
>
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Teddy Choi updated HIVE-11533:
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Attachment: (was: HIVE-11533.4.patch)
> Loop optimization for SIMD in Long*CompareLong*
>
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.3.patch
Fixed bugs. Uploaded for automated testing.
> Loop optimization for
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Teddy Choi updated HIVE-11533:
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Description:
Long*CompareLong* classes can be optimized with subtraction and bitwise
operators for
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https://issues.apache.org/jira/browse/HIVE-11533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-11533:
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Description:
Long*CompareLong* classes can be optimized with subtraction and bitwise
operators for
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https://issues.apache.org/jira/browse/HIVE-11533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-11533:
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Description:
Long*CompareLong* classes can be optimized with subtraction and bitwise
operators for
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https://issues.apache.org/jira/browse/HIVE-11533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.1.patch
I uploaded a draft implementation for integration test.
> Loop
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Teddy Choi updated HIVE-10238:
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Attachment: HIVE-10238.3.patch
After merging HIVE-11521 patch file on the master branch, the previous
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Teddy Choi updated HIVE-11533:
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Attachment: (was: HIVE-11533.2.patch)
> Loop optimization for SIMD in Long*CompareLong*
>
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.2.patch
Rebased
> Loop optimization for SIMD in Long*CompareLong*
>
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Teddy Choi updated HIVE-11533:
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Attachment: HIVE-11533.2.patch
> Loop optimization for SIMD in Long*CompareLong*
>
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Teddy Choi reassigned HIVE-1555:
Assignee: Teddy Choi
> JDBC Storage Handler
>
>
> Key:
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Teddy Choi commented on HIVE-4847:
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I agree that this feature may cause unexpected errors due to recent
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Teddy Choi updated HIVE-4847:
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Resolution: Won't Fix
Status: Resolved (was: Patch Available)
> add rename database functionality
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Teddy Choi reassigned HIVE-13306:
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Assignee: Teddy Choi
> Better Decimal vectorization
>
>
>
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Teddy Choi updated HIVE-13306:
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Status: Patch Available (was: In Progress)
> Better Decimal vectorization
>
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Teddy Choi updated HIVE-13306:
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Attachment: HIVE-13306.2.patch
This patch is more improved implementation of new decimal vectorization.
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Teddy Choi updated HIVE-13306:
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Attachment: HIVE-13306.1.patch
It's a working draft. It shows 70x addition performance, 3x
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Work on HIVE-13306 started by Teddy Choi.
-
> Better Decimal vectorization
>
>
> Key:
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Teddy Choi commented on HIVE-15743:
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[~gopalv], that's a practical idea!
> vectorized text parsing:
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Teddy Choi updated HIVE-15789:
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Status: Patch Available (was: Open)
> Vectorization: limit reduce vectorization to 32Mb chunks
>
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Teddy Choi updated HIVE-15223:
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Attachment: HIVE-15223.1.patch
I implemented it with Jackson.
> replace org.json usage in EximUtil
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Teddy Choi reassigned HIVE-15223:
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Assignee: Teddy Choi
> replace org.json usage in EximUtil with some alternative
>
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Teddy Choi reassigned HIVE-15222:
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Assignee: Teddy Choi
> replace org.json usage in ExplainTask/TezTask related classes with some
Title: Message Title
Teddy Choi updated an issue
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Teddy Choi reassigned HIVE-15768:
-
> Vectorized JSON UDF
> ---
>
> Key: HIVE-15768
>
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Teddy Choi commented on HIVE-15768:
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HIVE-13562 is related and it solves some of this issue. However,
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Teddy Choi updated HIVE-15222:
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Attachment: HIVE-15222.2.patch
The previous patch had few issues in formatting. This patch passes
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Teddy Choi updated HIVE-14450:
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Status: Patch Available (was: Open)
> Vectorization: StringExpr::truncate() can assume 1 byte per-char
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Teddy Choi updated HIVE-14450:
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Attachment: HIVE-14450.1.patch
> Vectorization: StringExpr::truncate() can assume 1 byte per-char
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Teddy Choi updated HIVE-11529:
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Attachment: HIVE-11529.4.patch
This patch removes extra spaces between words.
> Loop optimization for
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Teddy Choi commented on HIVE-11529:
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It brought up to 4x performance.
Before:
{noformat}
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Teddy Choi updated HIVE-15223:
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Status: Patch Available (was: Open)
> replace org.json usage in EximUtil with some alternative
>
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Teddy Choi updated HIVE-15222:
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Status: Patch Available (was: Open)
> replace org.json usage in ExplainTask/TezTask related classes
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Teddy Choi updated HIVE-15222:
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Attachment: HIVE-15222.1.patch
I replaced json.org with Jackson. However, the patch file is bigger than
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Teddy Choi updated HIVE-15743:
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Attachment: HIVE-15743.4.patch
This patch applies Sergey's feedback. It uses a trimed string for
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Teddy Choi commented on HIVE-12348:
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Duplicated by HIVE-15741
> Byte array comparison optimization for
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Teddy Choi resolved HIVE-12348.
---
Resolution: Duplicate
> Byte array comparison optimization for SIMD
>
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Teddy Choi updated HIVE-12348:
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Status: Open (was: Patch Available)
> Byte array comparison optimization for SIMD
>
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Teddy Choi updated HIVE-664:
Attachment: HIVE-664.4.patch
I applied [~navis]'s feedback. Most of SPLIT calls would use a constant value
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Teddy Choi updated HIVE-664:
Status: Patch Available (was: Open)
> optimize UDF split
> --
>
> Key:
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Teddy Choi reassigned HIVE-15824:
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Assignee: Teddy Choi
> Loop optimization for SIMD in double comparisons
>
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Teddy Choi updated HIVE-11529:
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Status: Patch Available (was: Open)
> Loop optimization for SIMD in IfExprLong*Long*
>
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Teddy Choi updated HIVE-11529:
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Attachment: HIVE-11529.3.patch
This patch reflected HIVE-12358 and the performance improvement is
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Teddy Choi reassigned HIVE-15816:
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> Loop optimization for SIMD in IfExprDouble*Double*
>
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Teddy Choi updated HIVE-15789:
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Attachment: HIVE-15789.2.patch
> Vectorization: limit reduce vectorization to 32Mb chunks
>
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Teddy Choi commented on HIVE-15789:
---
This patch applies HIVE-15745 change and sets a key length as a
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https://issues.apache.org/jira/browse/HIVE-15222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-15222:
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Attachment: HIVE-15222.3.patch
This patch replaced "o.getClass() == Map.class" with "o instanceof Map"
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https://issues.apache.org/jira/browse/HIVE-15789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-15789:
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Attachment: HIVE-15789.1.patch
Sorry, I uploaded the patch file only on Review Board. Now I'm uploading
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https://issues.apache.org/jira/browse/HIVE-15789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi reassigned HIVE-15789:
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Assignee: Teddy Choi
> Vectorization: limit reduce vectorization to 32Mb chunks
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https://issues.apache.org/jira/browse/HIVE-15789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15851445#comment-15851445
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Teddy Choi commented on HIVE-15789:
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This patch itself is quite simple. But it may effect many
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https://issues.apache.org/jira/browse/HIVE-14450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi reassigned HIVE-14450:
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Assignee: Teddy Choi
> Vectorization: StringExpr::truncate() can assume 1 byte per-char minimum
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https://issues.apache.org/jira/browse/HIVE-15743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-15743:
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Attachment: HIVE-15743.3.patch
This patch uses a byte array to skip encoding. When it gets a number
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https://issues.apache.org/jira/browse/HIVE-15743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-15743:
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Status: Patch Available (was: Open)
> vectorized text parsing: speed up double parse
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Teddy Choi commented on HIVE-15743
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Teddy Choi commented on HIVE-15743
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Teddy Choi updated an issue
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https://issues.apache.org/jira/browse/HIVE-15741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Teddy Choi updated HIVE-15741:
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Attachment: HIVE-15741.3.patch
Fixed bugs.
- Added commons-logging dependency in storage-api
- Changed
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