> Date: Fri, 1 May 2020 13:56:29 -0700 > From: "Arthur A. Gleckler" <s...@speechcode.com> > > I haven't tracked down the cause, but in a trivial test case, read is more > than 200x slower under 10.1.90 than under 9.2 and 10.1.10: > [...] > Does anyone have a clue what might have caused this decline?
I don't know offhand but have you tried running it through the profiler? (with-stack-sampling sample-interval-in-ms (lambda () ...))
