|Subject:||Re: [Discuss-gnuradio] File Sink Unbuffered|
|Date:||Mon, 23 Mar 2015 18:28:46 -0700|
On 03/23/2015 08:27 PM, Richard Bell wrote:
If you unceremoniously terminate your flow-graph, there will be data in 'stdio' buffers that have not yet been committed to the operating system.Richv/r,Is this a known issue, and should I always keep unbuffered on? gr3.7.6 ubuntu 14.04With unbuffered off, there were a lot of small errors that were introduced to the output file.I noticed a large difference in errors between input and output files when I turn unbuffered on and off.With unbuffered on, there was no difference between my input and output file.
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It may be the case, given Gnu Radio's internal buffering mechanism, that using "unbuffered" all the time is the right thing to do, unless stdio
buffers offer a performance advantage for an application (Gnu Radio, in this case) that already does alot of its own buffering.
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