I just loaded 4.45 of BOINC on my work computer. It is a P4 3GH with "HT Technology" (play intel sound byte here).

I connected to Seti@Home without too much difficulty and set it to "Run Always," but Task Manager only shows it using 50% of the CPU on an otherwise idle system.

Seti Classic uses 99+% when I turned it back on for comparison and/or each uses 50% when they are both "Running Always"

Any ideas on how to get full utilization on this HT processor?

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PS. I also noticed that BOINC finally supports Screen Saver Password Protection. That is a security requirement where I work (and at previous employers) and had been amazingly missing from the previous releases of BOINC I tried over the last few months/years ago. BOINC previously popped up a "Fixed in the next realese" message.

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Change the setting in your account to use multiple processors. You are only using one right now.

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Change the setting in your account to use multiple processors. You are only using one right now.

I have a dual p3 machine and my preferences are set to use multiple cpu's and I only have 50% utilization

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I have a dual p3 machine and my preferences are set to use multiple cpu's and I only have 50% utilization

Dual (two physical CPUs) processor P3, or a hyperthreaded (two logical CPUs) processor? With hyperthreaded machines, you should have two WUs running at the same time, both using 50% of the CPU.

Same on dual machines, the task manager (Win2k) shows 50% for a process, that uses one CPU at 100%, that's just normal. There should be two of those 50% tasks though.

On a dual XEON with HT enabled, the task manager shows 4 BOINC processes with 25% each.

On the graph (the tab more to the right in taskman) it should show 100% though.


Just programs that can run multiple threads can utilize more than 50% with one single task on a dual CPU machine (for example distributed.net does that)

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