>From your response it sounds like if I have a compute bound application, i.e. one that does not make system calls, there is no hit. However, what about memory allocation and deallocation? Chris Abbey wrote: > At 19:23 10/13/00 -0400, Laurence F. Wood wrote: > >Can someone tell me where the performance hit is in cygwin unix > >emulation? > > whichever part you use the most inside your tightest inner loop. > > seriously. > > that's a big huge open ended question (not about cygwin, about ANY > library/platform) that is as specific to your application as you can > get. For example, if you spend 75% of your computing day manipulating > text files and piping them and greping them and running file utils > against them then the cr/lf translation may be a big hit for you. > On the otherhand if most of your computation in a day is spent answering > requests that come in on tcp/ip sockets then the remapping of winsock > to netinet.h functions maybe your major headache. (note, I'm not trying > to imply that either function has a performance problem, merely that they > would be representative places that would have high invocation counts > in the course of the given activity.) > > To really answer that for your application/workload then you need to > get some form of performance detailing that can tell you how much time > you are spending in any given method and how often it's called. > > -- > Want to unsubscribe from this list? > Send a message to [EMAIL PROTECTED]
begin:vcard n:Wood;Laurence tel;fax:732-701-9748 tel;work:732-701-9746 x-mozilla-html:FALSE url:www.sunyatasystems.com org:Sunyata Systems Corporation adr:;;;;;; version:2.1 email;internet:[EMAIL PROTECTED] title:Chief Science Officer fn:Laurence end:vcard
-- Want to unsubscribe from this list? Send a message to [EMAIL PROTECTED]
