Hello --- Haojun Bao wrote: > > So one of your program is native and the other cygwin. > > It's like a similar issue I met when using native Emacs+Gnus and cygwin > programs (openssl client) to read imap mails, it is very slow. > > I guess it was a pipe size issue, for old DOS compatibility, the pipe > buffer is 64K, and if I check the i/o rate of openssl with Procexp, I > can see something like 64K. > > This is a very wild guess though. First I see sth. in Procexp to be > about 64K, then I googled with "windows pipe 64k". Maybe you can try > tweak the pipe buffer size. > Thank you for your kind advises.
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