Compaq AlphaServer ES45 Model 68/1000
SPECchem96_LG
The SPECchem96_LG benchmark was run by
Compaq
(SPEC license #2) in Marlborough, MA on a AlphaServer ES45 Model 68/1000 on 19-Nov-2001. This code was run using the shared programming model.
Benchmark Results
System configuration
Disclosure notes
Benchmark Results
Number CPUs
SPECchem96_LG*
Elapsed Time (secs)
1
27.2
3178.4
2
52.3
1651.3
4
97.8
883.2
* The SPECchem96_LG metric is 86400/elapsed seconds.
Source code base was SPEChpc96.1.0.
System Configuration
HARDWARE CONFIGURATION
Model:
AlphaServer ES45 Model 68/1000
CPU:
Alpha 21264C
Num. Processors:
4
Cache:
8 MB
Memory:
32 GB
I/O:
2x 10K RPM BD01862A67 BD018635CC
Additional Notes:
SOFTWARE CONFIGURATION
Operating system:
Tru64 UNIX V5.1A Rev 1885
Fortran compiler:
Compaq Fortran V5.5-1877
C compiler:
Compaq C V6.4-215 (dtk)
Math Library:
N/A
Communications Pkg:
N/A
System state:
Multi-user
Additional Notes:
Disclosure Notes
RUN TOOLS USED:
Yes
COMPILE AND LOAD FLAGS
Preprocessor flags:
Fortran compiler flags:
-omp -fixed -i8 -fast -O5
C compiler flags:
-O4
Loader flags:
-mp -lfmpi -lmpi -lrt -pthread -lm -lc
DIRECTIVES
OpenMP
SOURCE FILE MODIFICATIONS
direct SCF
Open MP directives added to the code and loops aggregated to aid load balancing.
additional stack and data space per process.
GENERAL NOTES
This is the same code that was accepted for recent Compaq submissions, such as the ES40.
CONFIGURATION FILES
chem96_es45-1000_19nov2001.tar.gz contains results and sysconfig file.
Please note this also contains medium results, which I forgot to notate on my medium submission.
SPEC High Performance Group
info@spec.org