7 Commits

Author	SHA1	Message	Date
Roman Nozdrin	7cdc914b4e	MCOL-4809 This patch introduces vectorized scanning/filtering for short CHAR/VARCHAR columns ... Short CHAR/VARCHAR column values contain integer-encoded strings. After certain manipulations(orderSwap(strnxfrm(str))) the values become integers that preserve original strings order relation according to a certain translation rules(collation). Prepared values are ready to be SIMD-processed.	2022-04-01 10:28:33 +00:00
Leonid Fedorov	3919c541ac	New warnfixes (#2254) ... * Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true	2022-02-17 13:08:58 +03:00
Leonid Fedorov	cad6736d64	enum for SIMD out of ifdef	2022-02-11 18:18:23 +03:00
Roman Nozdrin	c79dfc4925	MCOL-4809 This patch adds support for float data types filtering and scanning vectorization	2022-02-03 16:38:56 +00:00
Leonid Fedorov	04752ec546	clang format apply	2022-01-21 16:43:49 +00:00
Leonid Fedorov	01f3ceb437	replace header guards with #pragma once	2022-01-21 15:24:58 +00:00
Roman Nozdrin	af36f9940f	This patch introduces support for scanning/filtering vectorized execution for numeric-based ... data types TEXT, CHAR, VARCHAR, FLOAT and DOUBLE are not yet supported by vectorized path This patch introduces an example for Google benchmarking suite to measure a perf diff b/w legacy scan/filtering code and the templated version	2021-12-10 10:30:00 +00:00