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[Octave-bug-tracker] [bug #61300] primes() is 4 times slower for integer


From: Michael Leitner
Subject: [Octave-bug-tracker] [bug #61300] primes() is 4 times slower for integer types than for double, patch attached
Date: Wed, 6 Oct 2021 13:17:35 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0

Follow-up Comment #4, bug #61300 (project octave):

Yes, this is a regression, on version 6.0.1 (via octave-online.net) I have

++
format long;n = uint64(1.5e9), lenp = floor((n+1)/6), a=(8:7:lenp)(end-4:end)
n = 1500000000
lenp = 250000000
a =

   249999968   249999975   249999982   249999989   249999996
--


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