Both of those proposed changes actually sound really useful to me. +1 from me.
Bill. 2009/3/10 Cactus <rieman...@googlemail.com>: > > Hi All, > > I have been using speed to track down Windows MPIR performance issues > and I have made local changes to speed that might be of more general > interest. I hence wnat top get your views on what I am doing before I > add the capabilities to speed in MPIR. > > Firstly it is painful to do a run of lengths from say 1 to 10 in steps > of 1 followed by 10 to 1000 in steps of 10 because the step size > option -t is global to each sequence specified. But the first > sequence needs a step size of 1 and the second needs 10. > > So, in addition to the 'start-end' notation, I have added 'start(step) > end' so that a group such as 100(100)1000 will go from 100 to 1000 in > steps of 100. > > Secondly I am in the process of adding an option that changes the > printout from a list of timings to the coefficients of the equation of > a least squares polynomial curve fit to the results so that we get a > [0], a[1] ... in: > > cycles = a[0] + a[1] * n + a[2] * n^2 + a[3] * n^3 ..... > > where n is the number of limbs. I have done this because, once the > lists of timings are known to be smooth, comparing these coefficients > is much easier than comparing long lists of values. I could add a > general curve fitting capability but that would get quite hard so I am > thinking only of doing up to a quadratic or cubic polynomial. > > Does anyone see benefit in, or have any objection to, either or both > of these capabilities being added to MPIR's speed? > > Brian > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-devel@googlegroups.com To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en -~----------~----~----~----~------~----~------~--~---
