The cr.yp.to microblog: 2017.07.23 17:57:32

2017.07.23 17:57:32 (889152510996426757) from Daniel J. Bernstein, replying to "Colm MacCárthaigh (@colmmacc)" (889149135084965888):

Refilling the buffer is a small fraction of a microsecond on one of your server cores. Linux has vastly larger continual jitter than this.

Context

2017.07.23 15:48:38 (889120071255240705) from Daniel J. Bernstein:

New blog post "Fast-key-erasure random-number generators": https://blog.cr.yp.to/20170723-random.html An effort to clean up several messes simultaneously.

2017.07.23 17:44:08 (889149135084965888) from "Colm MacCárthaigh (@colmmacc)":

One problem with caching output, i.e. the 736 bytes, is jitter. Having every nth packet/record be inexplicably slower kills :(