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[NSE-170] using unsafe appender #203
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Signed-off-by: Yuan Zhou <[email protected]>
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Signed-off-by: Yuan Zhou <[email protected]>
zhouyuan
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Mar 29, 2021
This patch adds an unsafe appender which will reserve space before builder array. The boolean builder is not touched as only malloc small sized memory The string builder are not touched as it's diffcult to pre-allocate the space * using unsafe appender Signed-off-by: Yuan Zhou <[email protected]> * fix format Signed-off-by: Yuan Zhou <[email protected]>
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zhouyuan
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Mar 29, 2021
* [NSE-130] support decimal round and abs (#166) * support decimal round and abs * remove duplicate cast in multiply/divide * [NSE-161] adding format check (#165) * adding format check Signed-off-by: Yuan Zhou <[email protected]> * formating code Signed-off-by: Yuan Zhou <[email protected]> * adding google format Signed-off-by: Yuan Zhou <[email protected]> * reformat with new style Signed-off-by: Yuan Zhou <[email protected]> * lower clang version to 10 Signed-off-by: Yuan Zhou <[email protected]> * adding script to format code Signed-off-by: Yuan Zhou <[email protected]> * [NSE-170]improve sort shuffle code (#171) * improve sort shuffle code Signed-off-by: Yuan Zhou <[email protected]> * fix format Signed-off-by: Yuan Zhou <[email protected]> * pass by ref in builder Signed-off-by: Yuan Zhou <[email protected]> * fix string/decimal builder Signed-off-by: Yuan Zhou <[email protected]> * [NSE-62]Fixing issue0062 for package arrow dependencies in jar with refresh2 (#172) * Add arrow build and dependency support * Add compress.sh default value * Fix bug for parameter's default value * Add CACHE PATH * fix copy bitmap in InplaceSort (#174) * [NSE-153] fix window results (#175) * fix window sort memory Signed-off-by: Yuan Zhou <[email protected]> * remove unused code Signed-off-by: Yuan Zhou <[email protected]> * fix windown w/o avg Signed-off-by: Yuan Zhou <[email protected]> * fix format Signed-off-by: Yuan Zhou <[email protected]> * fix decimal sort Signed-off-by: Yuan Zhou <[email protected]> * Fix issue 179 for arrow include directory (#181) * Fix issue0191 for .so file copy to tmp. (#192) * Following NSE-153, optimize fallback conditions for columnar window (#189) * Fix q14a/b segfault (#193) Signed-off-by: Chendi Xue <[email protected]> * [NSE-194]Turn on several Arrow parameters (#195) * Turn on several Arrow parameters * Change SIMD Level Setting * Hashmap build opt for semi/anti/exists join (#197) Signed-off-by: Chendi Xue <[email protected]> * [NSE-198] support the month() and dayofmonth() functions with DateType (#199) * [NSE-206] fix doc link, update limitations (#205) * fix doc link Signed-off-by: Yuan Zhou <[email protected]> * update arrow data source Signed-off-by: Yuan Zhou <[email protected]> * adding limitations Signed-off-by: Yuan Zhou <[email protected]> * mention limits Signed-off-by: Yuan Zhou <[email protected]> * [NSE-170] using unsafe appender (#203) This patch adds an unsafe appender which will reserve space before builder array. The boolean builder is not touched as only malloc small sized memory The string builder are not touched as it's diffcult to pre-allocate the space * using unsafe appender Signed-off-by: Yuan Zhou <[email protected]> * fix format Signed-off-by: Yuan Zhou <[email protected]> * update arrow branch Signed-off-by: Yuan Zhou <[email protected]> Co-authored-by: Rui Mo <[email protected]> Co-authored-by: Wei-Ting Chen <[email protected]> Co-authored-by: Hongze Zhang <[email protected]> Co-authored-by: Chendi.Xue <[email protected]> Co-authored-by: JiaKe <[email protected]>
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What changes were proposed in this pull request?
This patch adds an unsafe appender which will reserve space before builder array.
The boolean builder is not touched as only malloc small sized memory
The string builder are not touched as it's diffcult to pre-allocate the space
On my 2node env this can improve TPC-DS performance by ~5%
This approach is applied to Sort operator only.
related: #170
Signed-off-by: Yuan Zhou [email protected]
How was this patch tested?
locally verified