<html><head></head><body>Hi,<br><br>Fast seeking depends on round-trip time (a.k.a. "ping"), not bandwidth, so the answer is that "it depends".<br><br><div class="gmail_quote">Le 7 février 2020 12:11:11 GMT+02:00, Thomas Guillem <thomas@gllm.fr> a écrit :<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail"><br><br>On Thu, Feb 6, 2020, at 17:57, Rémi Denis-Courmont wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">Le torstaina 6. helmikuuta 2020, 17.29.54 EET Thomas Guillem a écrit :<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;">This fixes slow probing/seeking when using prefetch since it requests big<br>data size (16MB) for each read().<br></blockquote>The impact of read size on effective stream bandwidth is roughly hyperbolic. <br>Existing Trac report show that 32 KiB is far too little in real life:<br><a href="https://trac.videolan.org/vlc/ticket/19988#comment:15">https://trac.videolan.org/vlc/ticket/19988#comment:15</a><br></blockquote><br>I missed that comment, thanks for you input.<br>So the faster you are, the less responsive (to seek) you are.<br><br>I think I will go between 128k and 1024k. I will do some test at home with my poor wifi setup.<br><br>What about your comment "Marking CIFS as fast-seekable".<br><br>CIFS is 99% local network (except those using it via ssh/port redirect).<br>So it should be fast, but lot of people have a bad wifi setup (like me), it's not uncommon to only have 800kb/s (bad router + lot of wifi neighbors in a city).<br><br>Is 800kb/s fast enough to enable fast-seekable ?<br><br>Crazy idea: live switch between the 2 cache modules depending on the I/O speed.<br><br>> <br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">-- <br>雷米‧德尼-库尔蒙<br><a href="http://www.remlab.net/">http://www.remlab.net/</a><hr>vlc-devel mailing list<br>To unsubscribe or modify your subscription options:<br><a href="https://mailman.videolan.org/listinfo/vlc-devel">https://mailman.videolan.org/listinfo/vlc-devel</a><br></blockquote><hr>vlc-devel mailing list<br>To unsubscribe or modify your subscription options:<br><a href="https://mailman.videolan.org/listinfo/vlc-devel">https://mailman.videolan.org/listinfo/vlc-devel</a></pre></blockquote></div><br>-- <br>Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser ma brièveté.</body></html>