Re: very poor cygwin scp performance in some situations

2006-03-27 Thread Pedro Inacio
wrote: - Original Message - From: "Pedro Inacio" I've initiated the post "select() too slow". The example I've done was a non-blocking tcp echo_server.c and how slow it was on linux compared with cygwin. In fact after activation oh tcp_nodelay option the t

Re: very poor cygwin scp performance in some situations

2006-03-27 Thread Pedro Inacio
Hello, I've initiated the post "select() too slow". The example I've done was a non-blocking tcp echo_server.c and how slow it was on linux compared with cygwin. In fact after activation oh tcp_nodelay option the times were similar. Meanwhile I've done another test, I've added ssl on top of t

Re: select() too slow

2006-03-19 Thread Pedro Inacio
Yes! I've confirmed that! With TCP_NODELAY Cygwin and Linux times are similar. It seems that there is some issue with the Naggle algorithm on Windows for sure. Thanks Pedro Inacio On 2006/03/15, at 21:49, Corinna Vinschen wrote: It looks like this is a TCP_NODELAY issue. You te

Re: select() too slow

2006-03-15 Thread Pedro Inacio
On 2006/03/14, at 22:43, Christopher Faylor wrote: On Tue, Mar 14, 2006 at 09:42:25PM +, Pedro Inacio wrote: I don't have any 100MB files sitting around but when I tried this on a 14MB file, I find that cygwin is about 2X slower, not an order of magnitude slower. Taking away the pip

Re: select() too slow

2006-03-14 Thread Pedro Inacio
detail more the process I'm doing. Hope that helps to identify what the problem is. Why it takes so much more time on Cygwin than on Linux? On 2006/03/14, at 19:18, Christopher Faylor wrote: On Tue, Mar 14, 2006 at 06:59:28PM +, Pedro Inacio wrote: Hello again, as promised attached you

Re: select() too slow

2006-03-14 Thread Pedro Inacio
on Cygwin? There is any obvious wrong thing I'm doing? It seems to be a select() problem. Thanks in advance, Pedro Inacio echo_server.c Description: Binary data On 2006/03/11, at 18:16, Christopher Faylor wrote: On Sat, Mar 11, 2006 at 06:04:37PM +0000, Pedro Inacio wrote: On 2006/03/11,

Re: select() too slow

2006-03-11 Thread Pedro Inacio
On 2006/03/11, at 18:16, Christopher Faylor wrote: But we don't know what the actual problem *is*. What does "too slow" mean? select takes an extra twenty milliseconds under Cygwin? select doesn't respond within 24 hours? You are right, I recognize that I haven't gave sufficient detai

Re: select() too slow

2006-03-11 Thread Pedro Inacio
On 2006/03/11, at 15:40, Eric Blake wrote: I'm afraid that this is not a very good bug report, as you have not attempted to describe WHAT is too slow, and have not provided a simple test case that compiles out of the box, with timing numbers on the test case compared between Linux and Cygwi

select() too slow

2006-03-11 Thread Pedro Inacio
ning the latest version of Cygwin. There is any known issue? There is some work for a fix? Anyone can help? Thanks in advance, Pedro Inacio -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: ht