[Winpcap-users] Multiple instances

[Gianluca Varenni]

A packet flow if 1.5MB/s is really low. The problem was probably in the 
logic of your application. If I were you, I would definitely review your 
application design to understand what the bottleneck was.

Have a nice day
GV

--------------------------------------------------
From: "pro2c" <pro2c at litrca.com>
Sent: Thursday, May 13, 2010 9:02 AM
To: <winpcap-users at winpcap.org>
Subject: Re: [Winpcap-users] Multiple instances

> Yes, this was my first attempt but at full DL speed (~1,5 MB/s) the CPU
> usage was to high :( since the packet flow is too large/fast
>
>
> -----Original Message-----
> From: winpcap-users-bounces at winpcap.org
> [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Gianluca Varenni
> Sent: Thursday, May 13, 2010 4:59 PM
> To: winpcap-users at winpcap.org
> Subject: Re: [Winpcap-users] Multiple instances
>
> If memory is an issue, then the best solution is opening a single instance
> of the WinPcap device, and do your own filtering and demultiplexing in 
> user
> mode. This could have the good side effect of having less kernel-user mode
> transitions to bring the packets to user mode applications.
>
> Have a nice day
> GV
>
> --------------------------------------------------
> From: "pro2c" <pro2c at litrca.com>
> Sent: Thursday, May 13, 2010 5:37 AM
> To: <winpcap-users at winpcap.org>
> Subject: Re: [Winpcap-users] Multiple instances
>
>> No, not 200 instances of my app but 200 instances of winpcap device to
>> have
>> 200 different filters (for each port).
>>
>>
>> -----Original Message-----
>> From: winpcap-users-bounces at winpcap.org
>> [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of David Chang
>> Sent: Wednesday, May 12, 2010 10:08 PM
>> To: winpcap-users at winpcap.org
>> Subject: Re: [Winpcap-users] Multiple instances
>>
>> Why are you running 200 instances of your application on a single
>> computer?  Do you have 200 NICs?  Maybe you can change your application
>> to do more processing in one instance (i.e. multi-threading).
>>
>> DC
>>
>> pro2c wrote:
>>>
>>> I'm having some problems with multiple instances. When I load 200
>>> instances the memory use of my app reaches 100MB. I'm guessing that
>>> every instance reserves some mem for itself.
>>>
>>> Can this be lowered somehow?
>>>
>>> ------------------------------------------------------------------------
>>>
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>>
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