IT seems that my credits go up but then they go down y is this this morning i had 489 now i have 475 i dont understand this

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Me in front of the RED BEAR INN in Freiburg, Germany in 2000

Those are not your credits, but your Recent Average Credit. Your credit is right above your RAC in your avatar.

Analogy time

Recent Average Cretit - Speedomoter

Credit - Odometer

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BOINC WIKI

fine my recent average credits but that still dosent answer Y my stats are going backwards instead of forward on the credit scale i dropped another point an i have 2 computers spitting out this stuff

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Me in front of the RED BEAR INN in Freiburg, Germany in 2000

You have a lot of Pending credit. As long as those don't get added, the decay will cause your RAC to go down.

For more on all things credit, read RAC, Credit, Claimed Credit, Pending Credit and Granted Credit

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Your RAC (Recent Average Credit) will very up and down over time. A few points variation doesn't mean much. The RAC will change depending on the type of WUs you have been crunching. Although the project developers do their best to program the software to give out the same Credit/hr for the different calculations needed for WUs of different AR (The angle at which the Arecibo Radio Telescope was "pointed" at the sky to record information) there are still some AR that tend to pay out more and some pay out less than the average. The new AP (Astropulse) WU currently are still paying out less than would be expected and will need additional fine tuning.

The biggest variation probably come from how many credits you have pending. Each WU results needs to be verified against another system that received the same WU. The speed at which this occurs depends on how fast your wingman returns his results. Some have very fast turn around time so validation occurs almost instantaneously because they return the results before you. Others with slow computers or very large cache may only return the work near the deadline date so your credits can be pending for some time.

The new AP WU take much longer to process, under 12 hrs on very fast systems using the optimized application, to a month on slow computers using the standard application.

edit: Once again, Ageless nimble fingers and mind beat me to the post. I got to stop taking smoke/coffee breaks in the middle of writing a post.

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Boinc V7.2.42
Win7 i5 3.33G 4GB, GTX470

fine my recent average credits but that still dosent answer Y my stats are going backwards instead of forward on the credit scale i dropped another point an i have 2 computers spitting out this stuff

At the moment, you have 14,149 credits. This number should go up, not down. Your RAC is 488, this number can go up and down.

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BOINC WIKI

yeah it does vary. i'm glad i turned astropulses off (despite it only taking me about 14-15 hours to do) cause they were affecting my rac. now its just seti's baby :)

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yeah it does vary. i'm glad i turned astropulses off (despite it only taking me about 14-15 hours to do) cause they were affecting my rac. now its just seti's baby :)

Too bad - those Q9450s are some really fast crunchers. They would be very beneficial to the Astropulse crowd.

Just so you know, the new v5.00r69 SSE3 optimized app makes the credits per CPU second roughly equal on Astropulse work units. I run an AMD CPU, and those are known to be very slow on Astropulse units - yet with the new app I get the same amount of credit whether I crunch Multibeam or Astropulse. You just have to wait a while for the credit to be granted sometimes.

Read this post for some performance comparisons between Astropulse and Multibeam (both using SSE3 optimized apps).

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Cruiser
Gateway GT5692 L-f-S Edition
-Phenom X4 9650 CPU
-4GB 667MHz DDR2 RAM
-500GB SATA HD
-Vista x64 SP1
-BOINC 6.2.19 32-bit client
-SSE3 optimized 32-bit apps