On Thursday 03 June 2004 00:07, George Woltman wrote: > At 07:58 PM 6/2/2004 +0100, Tom Womack wrote: > >I'm impressed by the speed of verification; it sounds as if the FFT itself > >ran in parallel on the Itaniums, which I thought people on this list had > >repeatedly claimed was impractical. Is it in fact practical but pointless > > -- you could check a single number in eight days on a dual Opteron, but > > just running Prime95 on both CPUs would check two numbers in fourteen. > > You are correct. Glucas and now mlucas are now multithreaded. You'll > get better throughput running single-threaded, but verifications really > fly multi-threaded. > > Due to inefficiencies in the glucas implementation, since fixed, the > verification only used about half of the 16 Itanium CPUs. >
This has been fixed. Now Glucas use most of the power, scale better and can use any number of threads. All these improvements are side-effect of M41 verification. See latest snapshots (code still experimental), ftp://ftp.oxixares.com/pub/glucas/snapshots Guillermo -- Guillermo Ballester Valor [EMAIL PROTECTED] Ogijares, Granada SPAIN Linux user #117181. See http://counter.li.org/ Public GPG KEY http://www.oxixares.com/~gbv/pubgpg.html _______________________________________________ Prime mailing list [EMAIL PROTECTED] http://hogranch.com/mailman/listinfo/prime
