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Posts by Wee Todd Didd

1) Message boards : News : New Poll Regarding GPU Application of N-Body (Message 71044)
Posted 2 Aug 2021 by Wee Todd Didd
Post:
Wondering this as well. Could not find any recent N-Body in my results to look at to see if there was a verification of results. Current GPU's uses 2x the power of a CPU, So a GPU version with verification, would have to be 4x as fast at minimum to break even power consumption wise.

quote]When you say it's not much faster than a CPU, do you mean single-core CPU vs single GPU? Or do you mean an 8 or 12 thread CPU vs a 512 CUDA Core GPU? Because N-Body can scale itself to multiple threads, and I image the CPU also uses all CUDA cores on a GPU....[/quote]
2) Message boards : News : New version of MilkyWay Nbody (Message 68575)
Posted 23 Apr 2019 by Wee Todd Didd
Post:
Just noticed that since yesterday, receiving tasks, Milkyway@home N-Body Simulation v1.76 windows_x86_64, which is newer then the v1.74 the day before.
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Some examples are 1749436295, 1749436295, 1749419373
3) Message boards : News : New version of MilkyWay Nbody (Message 68574)
Posted 23 Apr 2019 by Wee Todd Didd
Post:
Just noticed that since yesterday, receiving tasks, Milkyway@home N-Body Simulation v1.76 windows_x86_64, which is newer then the v1.74 the day before.

All are failing, same seems to go for others running the same work units.

<core_client_version>7.14.2</core_client_version>
<![CDATA[
<message>
The data is invalid.
(0xd) - exit code 13 (0xd)</message>
<stderr_txt>
<search_application> milkyway_nbody 1.76 Windows x86_64 double , Crlibm </search_application>
Error evaluating makePotential(): [string "-- /* Copyright (c) 2016 - 2018 Siddhartha ..."]:52: attempt to call field 'spherical' (a nil value)
Failed to read input parameters file
18:34:37 (4280): called boinc_finish(13)

</stderr_txt>
]]>




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