Research on composer optimized autoloader

Composer uses a dynamic autoloader. In production, when running composer dump-autoload --optimize, the autoloading will be static as composer adds all known classes to the autoload list in files.

We should run some benchmarks to find out if this really improves performance-

Then, when also adding another argument and run composer dump-autoload --optimize --apcu, the class list will be held in APCu, i.e. in RAM. That sounds even more performant, but we need to make sure that this runs in the correct PHP container; otherwise the list will end up in the wrong APCu.

added Doing label

assigned to @jurgenhaas

changed title from Reasearch on composer optimized autoloader to Research on composer optimized autoloader

changed the description

mentioned in commit gitlab-ci-cd/drupal@d5233c6c

We're now generally optimizing the composer autoloader in pipelines.

added Documentation label and removed Doing label

unassigned @jurgenhaas

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added dormant label