Hi there, I don’t think A*B is a good benchmark for FPyLLL does the same slowdown also appear for, say, LLL?
Cheers, Martin On Tue, Jan 10 2023, 'Julian Nowakowski' via sage-devel wrote: > Hi all, > > we recently noticed that the IntegerMatrix class from fpylll is (on our > hardware) much slower in sage9.x, than it is in sage8.x. > > Please consider the following code snippet: > > import time > from fpylll import IntegerMatrix > > dim = 30 > bits = 10 > > A = IntegerMatrix.random( dim, "uniform", bits = bits ) > B = IntegerMatrix.random( dim, "uniform", bits = bits ) > > start = time.time() > C = A*B > stop = time.time() > > print( "Multiplication took %f seconds." % (stop-start) ) > > > We tried running this code in Sage 8.1, 8.9, 9.3 and 9.7. In the 8.x > versions, the multiplications takes less than 0.2 seconds. In the 9.x > versions, it takes more than 6 seconds. > > Any ideas? > > Best, > Julian > > -- > > https://juliannowakow.ski/ -- _pgp: https://keybase.io/martinralbrecht _www: https://malb.io _prn: he/him or they/them -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/87cz7m1wto.fsf%40googlemail.com.
