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Updated performance for the LX-based DEC Alphas using EGCS G77
- To: egcs <egcs at cygnus dot com>
- Subject: Updated performance for the LX-based DEC Alphas using EGCS G77
- From: "Luke A. Lonergan" <luke at navo dot hpc dot mil>
- Date: Mon, 2 Mar 1998 15:14:38 -0600 (CST)
- cc: Beowulf <beowulf at cesdis1 dot gsfc dot nasa dot gov>
I just obtained results using the EGCS 1.0.1 G77 Fortran compiler on a
DEC Alpha 533 with SDRAM on a PC164LX motherboard. The results are
similar to the earlier 433 MHz PC164 results, except for a speed increase
of 44% !!
Processor Memory Motherboard Compiler Speed C
Speed Speed (MHz) Model MFlops Version
-------------------------------------------------------------------------------
Alpha433 66 PC164 G77 0.5.22 32 57.4
PPro 200 66 AMI Goliath G77 0.5.22 42.3 50.1
PII 200 66 ABIT LX-6 Old G77 w/2.7.2 40.4 50.0
PII 300 66 ABIT LX-6 Old G77 w/2.7.2 51.9 61.2
PII 300 75 ABIT LX-6 Old G77 w/2.7.2 54.4 64.8
PII 338 75 ABIT LX-6 Old G77 w/2.7.2 57.0 67.3
Alpha433 66 PC164 EGCS 1.0.1 G77 57.4 57.4
PII 333 83 ABIT LX-6 Old G77 w/2.7.2 59.9 71.4
Alpha533 66? PC164LX EGCS 1.0.1 G77 82.5 83.0
Origin 2000 100 195MHz CPU f77 7.2 135 97.7
Alpha450 66 Cray T3E-900 f90 148 N/A
T90 500? ?? Cray T916 f90 997 41.4
----
Luke Lonergan, Grumman Data Systems Corporation Voice: 601-688-3666
Technical Evaluation Center Manager Email: luke@navo.hpc.mil
NAVO MSRC PET Program, Stennis Space Center, MS Fax: 601-689-0400
bench_1.tar.gz