[Wien] Compilation in parallel

Oleg Artamonov arto at mail.nnz.ru
Wed Nov 26 12:58:48 CET 2008


Dear Wien2k users, dear Wien2k leaders,

We are installing theWien2k-08-3 in the cluster in parallel mode.
Nodes number - 48, 2*Intel Xeon 5335, 2 G Hz, Infiniband, Linux SLES 10 SP1 (em64t),
ifort ver. 10.1.012, (icc ver.10.1.012), MKL ver. 10.0.2.018 (GotoBLAS-1.19), mvapich-1.0.0-1844 (mpich-1.2.7.).

We have found Gerhard's Fecher options for compilation:
*****
current:FOPT:-FR -w -mp1 -prec_div -pad -DINTEL_VML -O3 -xP
current:LDFLAGS:-L/opt/intel/fce/10.1.017/lib -static -lsvml -lguide -lpthread
current:R_LIBS:-L/opt/intel/mkl/10.0.3.020/lib/em64t -lmkl_lapack -lmkl_em64t -lmkl_core -lguide -lpthread

if you have the same pathes like me, check also if you need -xT instead of -xP (see quick optimization guide of Intel) use cat /proc/cpuinfo to check for the processor.

8.2 is running without problems on my Core 2 Duo T9500 and 64-bit SUSE 11,
as well as on a Quad Core Qxxxx and a Quadcore XEON both with 64-bit SUSE 10.3,
all have the options as above with only differing in the -xProcessor switches.
*****

My question is: what do we need to change to compile a parallel mode?

The second question. The names of nodes in our cluster are node-1, node-2 ....The script lapw1para
produces names node 1, node 2... , instead of node-1, node-2... . Is it possible to change the script? 

Many thanks in advance,
                                        Oleg Artamonov.



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