From blog.racket-lang.org:
Racket version 5.2.1 is now available from * Performance improvements include the use of epoll()/kqueue() instead of select() for the Racket thread scheduler, cross-module inlining of small functions, and the use of SSE instead of x87 for JIT-compiled floating-point operations on platforms where SSE is always available (including x86_64 platforms).
Tagged: #libraries #macros #performance #releases #strings
