Type:
Priority:
Resolution:
Fixed
Affects Version/s:
10.0(EOL) , 10.1(EOL) , 10.2(EOL) , 10.3(EOL) , 10.4(EOL) , 10.5
MySQL 5.6 introduced innodb_checksum_algorithm=crc32 and implemented it for AMD64 using the SSE 4.2 instructions (incorrectly advertised as "SSE2" in a startup message). It was not implemented on IA-32 or on Windows.
Since MariaDB 10.2.11, MariaDB makes use of the SSE4.2 CRC-32C instructions on Windows on both IA-32 and AMD64.
Let us be consistent and implement CRC-32C for IA-32 on all available platforms.
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Bug
Major
MDEV-22641 Provide SIMD optimized wrapper for zlib crc32()