Sieve Benchmark Thread

[Oddball]

Try this one:

[Flatlander]

Thanks, that's running fine.

[Flatlander]

Originally Posted by Oddball

Try this one:

Actually, now that I have some more ram coming for my 32-bit system could you please make me an .exe with:

SmallPrimes of 40e6 and SieveSize of 4e6. (lm4.exe))
and if you can:
SmallPrimes of 60e6 and SieveSize of 6e6. (lm6.exe)
SmallPrimes of 80e6 and SieveSize of 8e6. (lm8.exe)

Much appreciated.

@axn
I suppose it's not worth making a version where SmallPrimes and SieveSize are entered at the command line? Then I could twiddle to my heart's content without pestering anyone. (Once someone compiles it for me. )

[Oddball]

I don't know whether any of these work, since I don't have enough RAM to test them. You might want to compare a small 0.01T range with NewPGen's output to make sure there are no differences between the two files. But here you go:

[Oddball]

Another one:

[Oddball]

I've come across a strange error when trying to compile lm8.exe, and Windows gives a "virtual memory is increasing" prompt. Another try fails, but the third attempt seems to be successful. As I said before, you should compare a small 0.01T range with NewPGen's output to make sure that there are no differences between the two files.

[Flatlander]

That's great! Thank you.

[axn]

i hope you're using the patched code for the 32 bit build

[Oddball]

Originally Posted by axn

i hope you're using the patched code for the 32 bit build

All of the .exe programs I attached were done with the patched code. The only things that weren't done with the patched code were some of my earlier ranges, but I didn't re-do them since they were under the safe p<280M threshold (I used p=217M).

[MooMoo2]

Originally Posted by Historian

Processor: Pentium 4 3.4 GHz

tpsieve for the variable n-range: 5M p/sec

One core of an AMD Phenom II @ 2.8 GHz: 16.6M p/sec

[Oddball]

Originally Posted by MooMoo2

One core of an AMD Phenom II @ 2.8 GHz: 16.6M p/sec

That's because Turbo Core was on. With all 6 cores loaded and no background tasks, I'm getting 85M p/sec, or 14.2M p/sec/core.

Doing things like browsing the web and using Microsoft Word drops the rate to about 82M p/sec, but it's still much faster than my old Pentium 4.