NOTES:
1. All results provided by vendors except some IBM results, indicated by (NCAR). The NCAR results were run on the NCAR Bluevista (IBM Power 5) system
a. IBM (Vendor) Results
i. OS: 64-bit AIX 5.3 Kernel, SMT and Large 64KB pages enabled
ii. Compiler: XLF Fortran 10.1, Optimization level: -O3 –qhot
iii. Processor: Power5 1.9 GHz
iv. Interconnect: dual-link HPS (Federation)
b. IBM (NCAR) Results
i. OS: 64-bit AIX 5.2 Kernel
ii. Compiler: XLF Fortran 9.1, Optimization level: -O2
iii. Processor: Power5 1.9 GHz
iv. Other attributes equivalent to above.
c. SGI Results (original)
i. OS: Linux
ii. Compiler: Intel Fortran
iii. Processor: Itanium2, 1.6 GHz, 6MB/9MB L3 Data Cache (best results) shown
iv. NUMA link
d. SGI Results (improved; same configuration as above but with vendor developed tuning that will be reviewed and, as appropriate, included in next release of WRF)
e. Cray Results
i. OS: Linux
ii. Compiler: PGI 6.1.3
iii. Processor: AMD Opteron (single core), 2.6 GHz
iv. Interconnect: ??
2. Model versions:
a. WRFV2.1.1, November 8, 2005
b. WRFV2.1.2+, April, 2006 (WRFV2.1.2 plus other mid-release updates)
3. Physics options
a. Microphysics: WSM5
b. Cumulus: Grell/Devenyi
c. Long-wave: RRTM (30 minute)
d. Short-wave: Dudhia (30 minute)
e. PBL: YSU
f. Surface Layer: SLAB/SLAB