> That is related to the end Moores Law. The shrinking of the transistor > stopped increasing CPU speed in 2005 which brought about the release of > multi core CPUS the fastest CPU ever release was at 4.5GHz in 2004. The > newer i5 and i7 are quite a bit slower per core than the single core from > the early 2000s by almost half. Any single threaded algorithm today will > suffer as core counts increase and frequency decreases. This is creating > a very strong market for technologies like the fpga that accelerate single > threaded logic operations. Just look at a CPU history chart we are > slowing down the core substantially making multithread a requirement for > the future and yet we failing to train programmers with the skills for > multithread.
Learn/teach Julia -- Doug > > Scott > > > > Sent via the Samsung Galaxy S7, an AT&T 4G LTE smartphone > > > -------- Original message -------- > From: Lukasz Salwinski <luk...@mbi.ucla.edu> > Date: 1/19/17 8:43 PM (GMT-06:00) > To: beowulf@beowulf.org > Subject: Re: [Beowulf] Mobos for portable use > > On 01/19/2017 02:09 PM, Lux, Jim (337C) wrote: > >> >> -----Original Message----- >> From: Beowulf [mailto:beowulf-boun...@beowulf.org] On Behalf Of Andrew >> M.A. Cater >> Sent: Thursday, January 19, 2017 12:49 PM >> To: beowulf@beowulf.org >> Subject: Re: [Beowulf] Mobos for portable use > [...] >> (I just found that at least a while ago, Xilinx supported clusters for >>some of their design tools.. Since right now the design I'm working >>with takes an hour to synthesize (on a single machine), I'm going to >>look further - it has been a real rate limiter in the lab, because it >>makes the test, new design, load, test cycle a lot longer.) > > it looks like current (vivado 16.4) synthesis program hasn't been > parallelized - it's strictly single threaded and so uses just one > core... :o/ I've recently benchmarked a few i5 & i7 workstations > - there seem to be very little differences (maybe 10-20%) between > CPUs released over last ~4-5 years :o/ > > lukasz > > > -- > ------------------------------------------------------------------------- > Lukasz Salwinski PHONE: 310-825-1402 > UCLA-DOE Institute FAX: 310-206-3914 > UCLA, Los Angeles EMAIL: luk...@mbi.ucla.edu > ------------------------------------------------------------------------- > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > > -- > Mailscanner: Clean > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > -- Doug -- Mailscanner: Clean _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
