Portability Flags & Environment Variables
-qsmp=omp used in all cases
-qfixed used in: 310.wupwise_m, 312.swim_m, 314.mgrid_m, 316.applu_m, 324.apsi_m
-qfixed=80 used in: 318.galgel_m
-qsuffix=f=f90 used in: 326.gafort_m, 328.fma3d_m
Base Flags
C: -O5 -q64 -qhot=arraypad -Q
FORTRAN: -O5 -qipa=noobject -qipa=partition=large -qmaxmem=-1 -qipa=threads=4
Base & Peak User Environment:
OMP_NUM_THREADS=32 (defaulted to number of processes)
XLSMPOPTS=SPINS=0:YIELDS=0:STACK=8000000:SCHEDULE=STATIC:STARTPROC=0:STRIDE=1
OMP_DYNAMIC=FALSE
MALLOCMULTIHEAP=1
XLFRTEOPTS=intrinthds=1
Peak Flags:
-qsmp=omp used in all cases
310.wupwise_m: basepeak=1
312.swim_m: -qpdf1/pdf2
-O4 -q64
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
314.mgrid_m: -O5 -q64 -qipa=partition=large -qmaxmem=-1
316.applu_m: -qpdf1/pdf2
-O4 -q64
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
318.galgel_m: -q64 -O5 -qmaxmem=-1 -qarch=pwr3 -qtune=pwr3 -qipa=partition=large
320.equake_m: -qpdf1/pdf2
-O5 -q64 -qarch=pwr5 -qtune=pwr5 -qhot=arraypad -Q
324.apsi_m: -O5 -qipa=partition=large -qmaxmem=-1
326.gafort_m: -O5 -qhot=arraypad -qipa=partition=large -qmaxmem=-1
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
328.fma3d_m: basepeak = 1
330.art_m: -qpdf1/pdf2
-O5 -q64 -qhot=arraypad -Q
332.ammp_m: -O3 -q32 -qipa=partition=large -qmaxmem=-1 -qhot=arraypad -Q
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
Peak sources:
SPEC OMPL2001 source for 32bit systems modified for SPEC OMPM2001 used
with 312.swim_m (srcalt=ompl.32), 316.applu_m (srcalt=ompl.32),
320.equake_m (srcalt=ompl.32), 326.gafort_m (srcalt=ompl.32)
Executables built on RHEL4 u3 with IBM compilers as specified above
on a similar POWER5+ 2200 MHz processor with 32GB of memory.
Executables ran on RHEL5 with associated IBM compiler run-time libraries.
IBM XL C/C++ Advanced Edition V8.0 for Linux Runtime Environment Component
IBM XL Fortran Advanced Edition V10.1 for Linux Runtime Environment Component
SMT: Acronym for 'Simultaneous Multi-Threading'. A processor technology that allows
the simultaneous execution of multiple thread contexts within a single processor
core. Enabled by default.
C: IBM XL C for Linux invoked as xlc_r
Fortran: IBM XL Fortran for Linux invoked as xlf90_r
ulimits set to unlimited.
Large pages reserved as follows by root user:
echo 200 > /proc/sys/vm/nr_hugepages
System configured with libhugetlbfs library for application access to large pages
(16 MB)
Use flags-description file IBM-20070212-Linux.txt
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