[Cmake] why cmake is so slow on AIX 5.2

William A. Hoffman billlist at nycap . rr . com
Thu, 30 Oct 2003 11:21:09 -0500


This is the dependency analysts step of cmake.  It could be that
the file system is much slower on AIX.   It could also be the flags/compiler
that was used to build cmake.  Are you using a kitware binary ?

-Bill
 

At 01:55 PM 10/28/2003, David Wallman wrote:
>We do our builds on Solaris and AIX. We use ant as a top level build tool.
>Performance of java, ant, compiler and make is comparable on both systems, but not CMake.
>It turned out our build on AIX spends about 95% of time doing something like the following : 
>
>     [exec] Building dependencies. cmake.depends...
>     [exec] /home/davidwa/AIX/bin/cmake -S/home/davidwa/shared/p4/P2/openkernel/main/cpp/src/transformers -O/home/davidwa/shared/p4/P2/openkernel/main/cpp/build/AIX/src/transformers -H/home/davidwa/shared/p4/P2/openkernel/main/cpp -B/home/davidwa/shared/p4/P2/openkernel/main/cpp/build/AIX
>
>Does anybody knows why it is so slow? 
>
>David
>
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