Threads
Threads are a powerful tool for creating and maintaining cleaner
code, and in many implementations, for making your software more
responsive. In Ruby, the former benefit is the one
emphasized—cleaner code—since Ruby implements
“microthreads.” Microthreads are
in-process threads simulated with
setjmp/longjmp in the Ruby
interpreter itself. Hence, Ruby’s Thread
class isn’t dependent on the underlying threads library or
operating systems, making Ruby more portable.
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