Re: [Prime] It's official

[Gustavo E. Berm�dez Canzani]

Estimado Guillermo:   Disculpa que recurra a ti, pero espero que el idioma espa�ol nos permita entendernos.... Hace ya tiempo que he intentado "borrarme" de esta lista (mersenne.prime) pues, en micaracter de docente, la mayoria de los mensajes que se intercambian escapan a mis intereses, m�s all� de alguna simple curiosodad. He mandado varios mensajes, pidiendo la desuscripci�n, tal cual se pide al pie de cada mensaje y (esto desde hace mas o menos un a�o) no lo he logrado. �conoces alguna forma efectiva de hacerlo?   Desde ya muchas gracias   un saludo   gustavo bermudez       Gustavo E. Berm�dez Canzani Ibiray 2230 (bis) 11300 Montevideo  URUGUAY   tel�fono: (598-2) 711-3853 e-mail: [EMAIL PROTECTED]            [EMAIL PROTECTED] ----- Original Message ----- From: Guillermo Ballester Valor To: [EMAIL PROTECTED] Sent: Thursday, June 03, 2004 2:06 AM Subject: Re: [Prime] It's official 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

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