LHC@home

Is it normal that my CPU takes twice as much for the same WU as other computers with similar estimated processing power? I don't have that behavior on other projects.

It's a Intel T7600 running at 2.33 Ghz
Benchmark results on Windows 7 with BOINC 6.10.18 x64 are:
2219 MIPS floating point
6963 MIPS integer (was 4800 with x86 version of BOINC)

It\'s crazy now...
I got a new WU which takes nearly 140\'000 s (~38.8h).
The other computer that got this WU finished it after 39\'000 s. This is way slower than my cpu should be...

It\\\'s crazy now...
I got a new WU which takes nearly 140\\\'000 s (~38.8h).
The other computer that got this WU finished it after 39\\\'000 s. This is way slower than my cpu should be...

what are CPU type and speed of your and wingman\'s computers?

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I crunch for Ukraine

All the WUs I\'ve gotten so far take less than an hour.

My specs are in the first post. I know it's a mobile version and over 3 years old, but they are already that slow?

My wingman's cpu is as follows:
Intel Core 2 Quad CPU Q6600 @ 2.40GHz running XP 32-bit
3190.72 MIPS floating point
7224.66 MIPS integer

I expected that he would be about 50% to 70% faster, but not more than 3 times. So far my computer was in every WU two times slower than the wingman's computer.

In task-manager the WU shows up as "sixtrack_4207.0_windows_x86_64.exe" and is running in 32-bit mode.

My specs are in the first post. I know it\'s a mobile version and over 3 years old, but they are already that slow?

My wingman\'s cpu is as follows:
Intel Core 2 Quad CPU Q6600 @ 2.40GHz running XP 32-bit
3190.72 MIPS floating point
7224.66 MIPS integer

I expected that he would be about 50% to 70% faster, but not more than 3 times. So far my computer was in every WU two times slower than the wingman\'s computer.

In task-manager the WU shows up as \"sixtrack_4207.0_windows_x86_64.exe\" and is running in 32-bit mode.

Looks like running on a 64-bit O/S is a little slower, I suspect the rest might be due to SpeedStep or similar technology

Hm, it might be the slower RAM for since my cpu is two times slower than simmilar cpu's like the T9300 or E2140!
Or as you say it could be the 64-bit OS...

Edit: I just noticed that after BOINC switched from Einstein to LHC (switching every hour) the fan dropped speed. That means the cpu is doing much less stuff while processing a LHC WU, but still the taskmanager shows 50% (one core) cpu usage for the WU. So there is a new question: Why is the WU lazy and working only 50% of the time it has on the cpu?

It\'s not a 64-bit problem. A wingman with a Intel Core 2 P8400 @ 2.26 GHz running Vista x86 was a little slower than me with similar benchmark results.
He was 70% slower than a Pentium 4 @ 2.4 GHz. I\'m not sure, but it feels strange.

I\'ll compare my future wingmans cpu to mine to find out if my cpu is really that slow and if this is a mobile version problem.

Additionally, I\'ll test LHC@home with my Win XP x86 installation on this laptop to completely exclude the OS.