Sorry - I can't help with that - maybe someone else on here can... adrian wrote: > Thank you so much. You gave me very good references. > But may I know if this facility is working well for the number of > points around 45e+6 and how long does it take? > Regarding to the time, i know it's case by case. For my case, i > have period of 1550 and dx=2nm. > I have to run 40period to get steady state. So it's around 30000 > timesteps. > > Thank you again. > > cheers > Adrian > > ----- 原始信件 ---- > 寄件者： PattiMichelle <[EMAIL PROTECTED]> > 副 本： [email protected] > 寄件日期： 2007/12/11(星期二) 上午8:40:30 > 主 旨： Re: [Meep-discuss] need advise on buying PC for runing meep > > I ran into a nasty problem when trying to massage data sets that are > larger than a few gigabytes). You /will/ need 64-bit hardware and a > 64-bit OS. I've used both AMD-64 CPUs, which I prefer for personal > reasons, as well as the newer line of Intel AMD-64 clones - all work > well. I've also used Linux-64, WinXP-64, Win2003Server-64 (which I > consider the most stable of the Windows versions), and Vista-64. > Basically, you'll need to create something like a 20GB of swap file. > A non-64-bit Windows platform will not let you declare larger than a 4 > GB swap file. Also, whatever software you use to visualize the fields > (I prefer RSI's IDL) won't load multi-gigabyte datasets into memory > unless running on a 64-bit OS and hardware. > > Patti > > adrian wrote: >> Hi, everyone: >> We are considering for buying one PC to run MEEP . >> The number of points in my usual case is around 125e+6, >> corresponding to 5.722GB. >> Additionally, we use dispersive material. >> I use long wavelength such as 1550nm and resolution is 0.5 for >> length unit being 1nm. >> ( Since the minimum feature size in my case is 20nm) >> I find one PC dedicated for runing FDTD has specs as following: >> >> Choice of 8 or 16 GB RAM dedicated for >> CelerityTM Acceleration Board. >> • Intel Pentium IV 3.2 GHz CPU with Hyper >> Threading >> • 4 GB DDR PC3200 (400 MHz) SDRAM >> (motherboard RAM) >> • More than one terabyte of storage >> from OptoFDTD Max >> >> I am wondering if such a hardware is sufficient to support MEEP, >> for my case or >> I have to strengthen some hardware like memory or speed of CPU. >> Or, It's better to use workstation with parallel process and clusters? >> If so, what kind of facility do I need? >> >> Thank you so much. >> Cheers >> Adrian >> >> ___________________________________________________________________ >> 體驗全新Yahoo!奇摩電子信箱2.0 - *馬上體驗* >> <http://tw.rd.yahoo.com/referurl/mail/mail20/tag_1022/*http://tw.mg0.mail.yahoo.com/dc/landing>！ >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> meep-discuss mailing list >> [email protected] >> http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss > > > > ____________________________________________________________________________________ > > 怎樣減少垃圾信？只要看到垃圾信，立即按下「這是垃圾信」按鈕，*垃圾信剋 > 星* > <http://tw.rd.yahoo.com/referurl/mail/tagline/spamguard/*http://tw.promo.yahoo.com/antispam/index.html> > 幫助你清除你信箱垃圾。
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