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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt'>Hello
Erik,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt'>The transfer
time from user space to kernel and back is not a problem, it is faster than required.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt'> </span></font></p>
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<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>> Have you measured the time taken to transfer a data packet from kernel to </span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> user space? Have you measured the time taken to encode that packet? What</span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> are those measurements?</span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> </span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> If you haven't performed those measurements, putting the Speex encoder</span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> in the kernel is probably a pointless exercise because I would be very</span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> surprised if the packet encoding time is less than 100 times greater </span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>> than the time to transfer the packet from kernel to user space.</span></font></pre>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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