Websites speaking of opcode caching, eAccelerator and others

• in French:
  • http://www.ipersec.com/index.php?q=fr/node/2&page=0%2C0

• in English:
  • http://www.ipersec.com/index.php?q=en/bench_ea_vs_apc
  • http://www.ducea.com/2006/10/30/php-accelerators/
  • http://2bits.com/articles/benchmarking-apc-vs-eaccelerator-using-drupal.html
  • http://itst.net/654-php-on-fire-three-opcode-caches-compared