Tested by IBM
Portability Flags & Environment Variables
Linker flag: -bmaxdata:0x80000000 used in all cases except 330.art_m
-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
Linker flag: -bmaxdata:0xD0000000 used in 330.art_m (for base and peak)
Base Flags
C: -q64 -O5 -qalign=natural -qipa=partition=large -qmaxmem=-1 -qsmp=omp
FORTRAN:-O5 -qipa=partition=large -qmaxmem=-1 -qsmp=omp
Base & Peak User Environment:
OMP_NUM_THREADS=8
OMP_DYNAMIC=FALSE
ENV_XLSMPOPTS=SPINS=0:YIELDS=0:STACK=8000000:SCHEDULE=STATIC
MALLOCMULTIHEAP=1
Peak Flags
-qsmp=omp used in all cases
310.wupwise_m: basepeak=1
312.swim_m: -O5 -qtune=pwr5 -qarch=pwr5
314.mgrid_m: basepeak=1
316.applu_m: -O5 -qtune=pwr5 -qarch=pwr5
318.galgel_m: basepeak = 1
320.equake_m: -q64 -O5 -qalign=natural -qhot=arraypad -Q
324.apsi_m: basepeak=1
326.gafort_m: -O5 -qhot=arraypad -qipa=partition=large -qmaxmem=-1
328.fma3d_m: -O5 -qhot=arraypad -qipa=noobject
-qipa=partition=large -qmaxmem=-1
330.art_m: -qpdf1/pdf2
-q64 -O5 -blpdata -qalign=natural -qhot=arraypad -Q
332.ammp_m: -q64 -O5 -qalign=natural -qhot=arraypad -Q
Alternate sources:
Add critical region around update of linked list in parallel loop.
Approved src.alt available as ompm-purdue1-20040324.tar.gz
Used for 330.art_m, base and peak.
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.
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)
DCM: Acronym for "Dual-Chip Module" (one dual-core processor chip + one L3-cache chip)
SUT: Acronym for "System Under Test"
C: IBM XL C for AIX invoked as xlc_r
Fortran 90: IBM XL Fortran for AIX invoked as xlf90_r
ulimits set to unlimited.
Large page mode and memory affinity were set as follows:
vmo -r -o lgpg_regions=400 -o lgpg_size=16777216 -o memory_affinity=1
chuser capabilities=CAP_BYPASS_RAC_VMM,CAP_PROPAGATE $USER
reboot -q
export MEMORY_AFFINITY=MCM
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