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From | "Schaffer, Mark E" <M.E.Schaffer@hw.ac.uk> |
To | <statalist@hsphsun2.harvard.edu> |
Subject | RE: st: Re: insheet multi threading |
Date | Mon, 2 May 2011 16:08:03 +0100 |
Because -insheet- and -infile- are built-in and not ados, and only StataCorp could parallelize them? Or am I missing something? --Mark > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox > Sent: 02 May 2011 15:43 > To: statalist@hsphsun2.harvard.edu > Subject: Re: st: Re: insheet multi threading > > If it's so easy, why not write your own? > > Nick > > On Mon, May 2, 2011 at 2:30 PM, Argyn Kuketayev > <akuketayev@mail.primaticsfinancial.com> wrote: > > it's a very basic task, and I'm sure everyone does it > daily: read CSV > > files. it takes over 1 hour on 8-core machine to read 13GB file, > > because CPU load is 12% all the time, one core is working. > > > > it's a junior programmer level assignment to parallelize > the parsing > > part, that's why i'm surprised Stata didn't do it. it's frustrating > > because sometime i get CSVs during the day, and have to > wait long long > > time before i can upload them into Stata. once in .dta > format, all is > > fast: reading and writing. so, it's clearly parsing part > that is slow. > > > > On Mon, May 2, 2011 at 12:24 AM, Joseph Coveney > <jcoveney@bigplanet.com> wrote: > >> Are circumstances such that you can have Stata convert > your CSV files > >> to Stata format overnight? I'm assuming that Stata won't > spend much > >> time parsing its own file format the next morning when you > go to use the datasets. > >> > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > -- Heriot-Watt University is a Scottish charity registered under charity number SC000278. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/