Just to follow up. The code for my PHP extension that makes use of hardware accelerated CRC32C instructions is here: https://github.com/google/php-crc32
I would love to get a pecl account, so I can publish this extension (to make it easy to download). thanks Andrew On Sat, 9 Mar 2019 at 22:36, Andrew Brampton <bramp...@gmail.com> wrote: > Hi, > > I recently contributed a crc32c implementation to PHP's hash function > <https://github.com/php/php-src/pull/3913>. However, I wanted to get > hardware acceleration, and support older versions of PHP. So I wrote a new > extension that uses github.com/google/crc32c, which utilised hardware > acceleration on modern intel CPUs. > > My quick benchmark shows: > CRC32_PHP 12.27 MB/s (pure php solution) > CRC32_Builtin 468.74 MB/s (my pull request above) > CRC32C_Google 24,684.46 MB/s (using new extension) > > I'm in the process of open sourcing my code (I have to jump though some > hopes at my day job), but soon after I would like to publish the pure PHP > implementation to packagist, and the compilable extension to pecl. > > Per the account request guidelines > <https://pecl.php.net/account-request.php>, I'm reaching out to say > hello. A quick note about myself, I've been a avid contributor to open > source for a decade, but I haven't touched PHP recently. I have far too > many project on my github <https://github.com/bramp>. I also work at > Google as a Cloud Storage (GCS) SRE, and while my interest in crc32c was to > improve the GCS API support, I'm doing this as 20% instead of my main > duties. > > thanks > Andrew >
