Hi,
I am developing a kind of http proxy, which heavily uses the HttpWebRequest class. I develop on VS and test on 2 virtual machines: one Windows 2008R2 (with .NET4), one Ubuntu 11.10 (with Mono 2.10.5). While HttpWebRequest.GetResponse is equally fast on both platforms and is equivalent to HttpWebRequest.BeginGetResponse of .NET4, I observed that Mono's implementation of HttpWebRequest.BeginGetResponse is much slower, by an order of 1,5 to 2 times. For a single request, that would be unnoticeable but for a proxy which keeps calling the method, this becomes an issue and even lead to timeouts. I have a test application if you want to reproduce the issue (but it seems the mailing list do not accept attachment - just email me so that I can send it to you). Run "HttpWebRequestTest.exe" to use the async mode and "HttpWebRequestTest.exe false" to run the sync mode. The urls to get and the number of thread to use may be changed in the .config file. On my two test machines with the provided list of urls, I get an average of 350ms for GetResponse (.NET & Mono) and for BeginGetResponse (.NET), but of 600 ms for BeginGetResponse on Mono. Does anybody have any idea about what's wrong? Best regards Kriss
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