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Groups > comp.lang.c++ > #10319
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: Best way to write the vector content to a file. |
| Date | 2011-09-20 16:09 +1200 |
| Message-ID | <9dqhv4F76kU9@mid.individual.net> (permalink) |
| References | <31086262.1123.1316487944574.JavaMail.geo-discussion-forums@yqaa12> <19618014.1821.1316489291116.JavaMail.geo-discussion-forums@yqma37> <9dqg31F76kU7@mid.individual.net> <27145133.1891.1316490470633.JavaMail.geo-discussion-forums@yqav13> |
On 09/20/11 03:47 PM, sravanreddy001 wrote: > do you think, writing so many times... 5 lakhs times(lines) is more expencive... more disk writes.. thats why i came to that approach.. > > so.. will wiriting to file every 20-30 lines at once.. will it help me? > it will atleast reduce the disk writes by 20-30 times.. Leave the buffering to the stream and the OS, it's their job. Unless you flush the stream each line and force synchronous writes on the file, you will not see millions of writes. On my system, that much data would be coalesced into one disk write! -- Ian Collins
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Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-19 20:05 -0700
Re: Best way to write the vector content to a file. Ian Collins <ian-news@hotmail.com> - 2011-09-20 15:12 +1200
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-19 20:28 -0700
Re: Best way to write the vector content to a file. Ian Collins <ian-news@hotmail.com> - 2011-09-20 15:37 +1200
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-19 20:50 -0700
Re: Best way to write the vector content to a file. Ian Collins <ian-news@hotmail.com> - 2011-09-20 16:03 +1200
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-19 20:47 -0700
Re: Best way to write the vector content to a file. Ian Collins <ian-news@hotmail.com> - 2011-09-20 16:09 +1200
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-19 20:29 -0700
Re: Best way to write the vector content to a file. Juha Nieminen <nospam@thanks.invalid> - 2011-09-20 06:44 +0000
Re: Best way to write the vector content to a file. Goran <goran.pusic@gmail.com> - 2011-09-20 00:37 -0700
Re: Best way to write the vector content to a file. Ian Collins <ian-news@hotmail.com> - 2011-09-20 19:45 +1200
Re: Best way to write the vector content to a file. Goran <goran.pusic@gmail.com> - 2011-09-20 02:01 -0700
Re: Best way to write the vector content to a file. Rui Maciel <rui.maciel@gmail.com> - 2011-09-20 10:56 +0100
Re: Best way to write the vector content to a file. Fulvio Esposito <esposito.fulvio@gmail.com> - 2011-09-20 04:03 -0700
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-20 05:00 -0700
Re: Best way to write the vector content to a file. Goran <goran.pusic@gmail.com> - 2011-09-20 06:55 -0700
Re: Best way to write the vector content to a file. Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-20 13:39 -0500
Re: Best way to write the vector content to a file. sravanreddy001 <sravanreddy001@gmail.com> - 2011-09-20 17:50 -0700
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