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  1. MariaDB Server
  2. MDEV-22749

Implement portable PCLMUL accelerated crc32() with Intel intrinsics

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.1, 10.2, 10.3, 10.4, 10.5
    • Fix Version/s: 10.5.7
    • Component/s: mariabackup, Server
    • Labels:
    • Environment:
      cross-platform, gcc, clang, msvc, amd64

      Description

      The pclmul acceleration for the zlib crc32() function that was cleaned up in MDEV-22641 is not available on Windows, because the code is using GCC-style inline assembler. Intel intrinsics should be used.

        Attachments

          Issue Links

          blocks

          Task - A task that needs to be done. MDEV-19935 Create unified CRC-32 interface

          • Major - Major loss of function.
          • Closed
          causes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-23680 Assertion `data' failed in crcr32_calc_pclmulqdq

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-24745 Fallback CRC-32C computation wrongly uses SSE4.1 instructions

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          is blocked by

          Task - A task that needs to be done. MDEV-22641 Provide SIMD optimized wrapper for zlib crc32()

          • Major - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              wlad Vladislav Vaintroub
              Reporter:
              marko Marko Mäkelä
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

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