Dear Prof. John D. McCalpin,
I ran stream_{sd}.f on ETA-10E and MIPS RC6280.
Very interesting.
Toshinori Maeno
Associate Professor
Computer Center, Tokyo Institute of Technology
============================================================================
Date 1991-10-04
Run on ETA-10E (Computer Center, Tokyo Institute of Technology)
Clock speed 10.5ns
Using only one processor
ETA Unix
ftn77 103.7
vectorized
array size(n) 5000000
--------------------------------------
Single precision appears to have 14 digits of accuracy
Assuming 8 bytes per default REAL word
--------------------------------------
Timing calibration ; time = 8.0634412473998 hundredths of a second
Increase the size of the arrays if this is <30 and your clock precision is =
<1/100 second
---------------------------------------------------
Function Rate (MB/s) RMS time Min time Max time
Assignment: 2974.7025 0.0269 0.0269 0.0270
Scaling : 3010.5016 0.0266 0.0266 0.0266
Summing : 4357.4942 0.0276 0.0275 0.0276
SAXPYing : 4214.7701 0.0285 0.0285 0.0285
=============================================================================
Run on MIPS RC6280 (Computer Center, Tokyo Institute of Technology)
60 MHz
16kB primary data cache
512kB secondary cache
RiscOS/4.52
f77 2.11
option -O -mips2
array size(n) = 400000
--------------------------------------
Double precision appears to have 16 digits of accuracy
Assuming 8 bytes per DOUBLEPRECISION word
--------------------------------------
Timing calibration ; time = 30.00000026077032 hundredths of a second
Increase the size of the arrays if this is <30
and your clock precision is =<1/100 second
---------------------------------------------------
Function Rate (MB/s) RMS time Min time Max time
Assignment: 53.3335 0.1232 0.1200 0.1400
Scaling : 58.1815 0.1232 0.1100 0.1300
Summing : 56.4706 0.1801 0.1700 0.1900
SAXPYing : 56.4706 0.1801 0.1700 0.1900
This archive was generated by hypermail 2b29 : Tue Apr 18 2000 - 05:23:01 CDT