[PD] udpsend performance issue

Martin Peach martin.peach at sympatico.ca
Mon May 9 14:59:22 CEST 2011

On 2011-05-09 01:45, Matteo Sisti Sette wrote:
> On 05/09/2011 04:54 AM, Martin Peach wrote:
>> [udpsend] uses almost the same code as [netsend] to send the data.
>> I guess the bottleneck is in the way you load the hundreds of messages
>> into [udpsend]. Are you receiving one packet per message at the other
>> end?
> What do you mean by one packet per message?

If you send a message through [udpsend] it will be packaged into a UDP 
packet. A UDP packet can be up to 32768 bytes. Sending lots of small 
packets adds a lot of overhead compared to sending the same data as one 


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