Portability Flags Variables
-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: 318.galgel_m 326.gafort_m, 328.fma3d_m
Base Flags
C: -O5 -q64 -qsmp=omp
FORTRAN: -O5 -q64 -qsmp=omp
Base & Peak Environment Flags (unless noted differently below):
ENV_OMP_NUM_THREADS = 32
ENV_OMP_DYNAMIC=FALSE
ENV_XLSMPOPTS=SPINS=0:YIELDS=0:STACK=8000000:STARTPROC=0:STRIDE=4
ENV_XLFRTEOPTS=intrinthds=1
Peak sources:
SPEC OMPL2001 source for 32bit systems modified for SPEC OMPM2001 used
with 312.swim_m, 316.applu_m, 320.equake_m, 326.gafort_m
Peak Flags
-qsmp=omp used in all cases
310.wupwise_m: basepeak = 1
312.swim_m: -O4 -q64
314.mgrid_m: basepeak = 1
316.applu_m: -O4 -q32
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
318.galgel_m: -O4 -q64
-B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT
320.equake_m: -O5 -q64 -qhot=arraypad -Q
324.apsi_m: basepeak = 1
326.gafort_m: -O4 -q32 -qhot=arraypad
-B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT
ENV_OMP_NUM_THREADS = 128
ENV_XLSMPOPTS=SPINS=0:YIELDS=0:STACK=8000000:STARTPROC=0:STRIDE=1
328.fma3d_m: basepeak = 1
330.art_m: -O3 -q32
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
332.ammp_m: -O5 -q32
ENV_HUGETLB_MORECORE=yes
ENV_LD_PRELOAD=libhugetlbfs.so
C: IBM XL C for Linux invoked as xlc_r
Fortran 90: IBM XL Fortran for Linux invoked as xlf90_r
Use flags-description file IBM-20080408-Linux.txt
ulimit -s (stack) set to 1048576.
Large pages reserved as follows by root user:
echo 480 > /proc/sys/vm/nr_hugepages
System configured with libhugetlbfs library for application access to large pages
System configured with:
echo "NO_NEW_FAIR_SLEEPERS" > /sys/kernel/debug/sched_features
Intelligent Energy Optimization enabled, up to 3.86 GHz
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