In the olden days of just Dos, I used the sieve.exe benchmark often to see differences between computers.

Now, with Windows NT style computers, this benchmark is almost useless with process priorities and such like. My Sieve.exe in a cmd.exe window runs for about 30 seconds, but the CPU % is only about 7 - 10%. On another computer I noticed the CPU % is only 0.3%. These are not very meaningful.

I know that this sieve is no longer very useful, but I am used to it.

I am running Windows XP SP3.
How do I give this cmd.exe window 100% of CPU time?
ThanksIf you want to measure, in a meaningful way, how fast a modern 32 or 64 bit system runs a 16 bit 8086 DOS program, with NOTHING else using the cpu, because that is what "100% cpu" means, I reckon you'd have to BOOT the MACHINE from a DOS floppy.

But you could see here

http://www.associatedcontent.com/article/1545365/how_to_speed_up_windows_xp_change_cpu.html


Thanks for your reply.
Yes, I was just interested in how the cpu performs and compare it with another cpu.
You brought up another problem for me. The FACT that my sieve.exe program is a 16 bit program and MAY have little relationship to how fast the cpu would run with a 32 bit application.
I had a look at your link and it talks about process priorities. I tried to set my processes to high and real with no difference in performance.

So, now I need to find a 32 bit cpu benchmark.
ThanksLook at this stuff!

http://www.futuremark.com/benchmarks/pcmarkvantage/introduction/

http://www.sisoftware.net/

http://download.cnet.com/SiSoftware-Sandra/3000-2086_4-10556571.html

Happy benchmarking!Thanks for those links but found CPUBench at:

Very simple and just what I wanted.
Thanks a lot.