Hello,
next time we will change our PC's from Intel Core2 Quad Core Q9550 WinXP/32 SP3
to Xeon E31275 WIN7/64 SP1.
At the moment I test the performance of our make system with cygwin 1.7-9 latest
snapshot from 2011-07-21.
I notice a very performance degree in starting/forking other executables from
within bash/make.
I found severeal postings regarding this problem and I can reproduce the problem
with a small testcase which I found in another posting.
DATE=`which date` ; { while true ; do $DATE ; done } > list.log
I count the lines in list.log with same timestamp I will get the following
timestamps per seconds:
XP/32 Win7/64
cygwin 34 12
mingw 35 34
MKS (eval version) 107 99
I've searched other postings for a solution - but I cannot find one.
Using Cygwin since several years I'm very sad cause Cygwin seem to be a really
good and full implmentation of UNIX commands.
So the question is:
Is it a known problem?
Is it really OS (Win7) specific?
Why is this problem not solved - cause it is to difficult to find? Yes I know
it's open source and I'm a programmer too - but I'm realy not a programmer
having the knowledge of Cygwin internal details.
Is there a workaround for that problem?
Any hints are welcome.
best regards
Heiko
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