Restartable sequences

Posted Jul 15, 2015 19:54 UTC (Wed) by Cyberax (✭ supporter ✭, #52523)
In reply to: Restartable sequences by nix
Parent article: Restartable sequences

Futexes have to use atomic operations for their fastpaths and they are quite slow. You can't avoid them because your thread might be migrated to another CPU, so non-atomic memory access will likely ruin everything.