🚀 go-pugleaf

angry@netspace.com.au (Willy) wrote:

>>Does anyone know where I'd be able to find a list of benchmarks for
>>different CD Rom drives? This would come in handy for the next time I
>>decide to upgrade my CD Rom drive.
>
>Their's a lot of crappy CD-Rom benchmarks programs floating around.  Some 
>are bundled with applications such as CorelSCSI!, etc. Others do a quick 
>check and measure data transfer rates or access speeds.  Most are 
>completely meaningless because they do not measure CPU utilitisation!

I found a pretty good benchmark program called CDbench. It tests the
drive while the cpu is under load. For those interested here's the
results from my Creative 6 speed. I'd be interested to results from
others with different kind of drives. 


CDBENCH - Speed Profile
=======================

System Information
------------------
CPU class:         Pentium-90___________ (e.g. 486DX2-80)
CPU manufacturer:  Intel________________ (e.g. AMD)
Bus system:        PCI__________________ (e.g. PCI)
System memory:     16____________ MB

CD ROM drive:      Creative CD620E______ (e.g. Toshiba 3401)
CD ROM speed:      Six speed____________ (e.g. double speed)
Connected via:     IDE__________________ (e.g. SCSI, ATAPI)
Transfer mode:     Programmed I/O_______ (DMA/PIO)

Operating System:  DOS__________________ (e.g. DOS)
OS Version:        6.22_________________ (e.g. 6.22)

Speed Information
-----------------
transfer rate at 000% CPU usage: 935,554 bytes/sec
transfer rate at 025% CPU usage: 683,713 bytes/sec
transfer rate at 040% CPU usage: 560,352 bytes/sec
transfer rate at 050% CPU usage: 474,351 bytes/sec
transfer rate at 055% CPU usage: 427,406 bytes/sec
transfer rate at 060% CPU usage: 378,138 bytes/sec
transfer rate at 065% CPU usage: 332,808 bytes/sec
transfer rate at 070% CPU usage: 287,653 bytes/sec
transfer rate at 075% CPU usage: 243,524 bytes/sec
transfer rate at 080% CPU usage: 194,281 bytes/sec
transfer rate at 085% CPU usage: 143,955 bytes/sec
transfer rate at 090% CPU usage:  98,166 bytes/sec
transfer rate at 095% CPU usage:  51,111 bytes/sec
transfer rate at 099% CPU usage:  20,359 bytes/sec