Welcome to MilkyWay@home

Posts by ahj

1) Message boards : News : Milkyway@Home for iPhone / iOS released (Message 46969)
Posted 5 Apr 2011 by ahj
Post:
Haha, fair enough then :D

BTW, the new announcement wouldn't have something to do with nbody transitioning to GPUs, would it?
2) Message boards : News : Milkyway@Home for iPhone / iOS released (Message 46967)
Posted 5 Apr 2011 by ahj
Post:
This is not THE big news; we are still finalizing details so I can't say anything more.

-Matthew


Wait, what? So this app is for real?

I don't mean to sound like a jerk (and MW@H is one of, if not my favorite DC project bar none), but why on earth would you bother?
3) Message boards : News : N-body updated to 0.40 (Message 46928)
Posted 2 Apr 2011 by ahj
Post:
Every single one of my nbody units seem to be erroring out instantly. Can't tell if its a problem on my end or MW's :(

Sat 02 Apr 2011 09:15:34 PM EST		Starting BOINC client version 6.10.58 for x86_64-pc-linux-gnu
Sat 02 Apr 2011 09:15:34 PM EST		Config: GUI RPC allowed from:
Sat 02 Apr 2011 09:15:34 PM EST		log flags: file_xfer, sched_ops, task
Sat 02 Apr 2011 09:15:34 PM EST		Libraries: libcurl/7.21.0 OpenSSL/0.9.8o zlib/1.2.3.4 libidn/1.18
Sat 02 Apr 2011 09:15:34 PM EST		Data directory: /var/lib/boinc-client
Sat 02 Apr 2011 09:15:34 PM EST		Processor: 4 GenuineIntel Intel(R) Atom(TM) CPU D510   @ 1.66GHz [Family 6 Model 28 Stepping 10]
Sat 02 Apr 2011 09:15:34 PM EST		Processor: 512.00 KB cache
Sat 02 Apr 2011 09:15:34 PM EST		Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr 
Sat 02 Apr 2011 09:15:34 PM EST		OS: Linux: 2.6.35-25-generic
Sat 02 Apr 2011 09:15:34 PM EST		Memory: 3.86 GB physical, 6.09 GB virtual
Sat 02 Apr 2011 09:15:34 PM EST		Disk: 140.72 GB total, 129.54 GB free
Sat 02 Apr 2011 09:15:34 PM EST		Local time is UTC +11 hours
Sat 02 Apr 2011 09:15:34 PM EST		No usable GPUs found
Sat 02 Apr 2011 09:15:34 PM EST		No general preferences found - using BOINC defaults
Sat 02 Apr 2011 09:15:34 PM EST		Reading preferences override file
Sat 02 Apr 2011 09:15:34 PM EST		Preferences:
Sat 02 Apr 2011 09:15:34 PM EST		   max memory usage when active: 1976.44MB
Sat 02 Apr 2011 09:15:34 PM EST		   max memory usage when idle: 3557.59MB
Sat 02 Apr 2011 09:15:34 PM EST		   max disk usage: 10.00GB
Sat 02 Apr 2011 09:15:34 PM EST		   don't use GPU while active
Sat 02 Apr 2011 09:15:34 PM EST		   suspend work if non-BOINC CPU load exceeds 25 %
Sat 02 Apr 2011 09:15:34 PM EST		   (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
Sat 02 Apr 2011 09:15:34 PM EST		Not using a proxy
Sat 02 Apr 2011 09:15:34 PM EST		This computer is not attached to any projects
Sat 02 Apr 2011 09:15:34 PM EST		Visit http://boinc.berkeley.edu for instructions
Sat 02 Apr 2011 09:16:23 PM EST		Fetching configuration file from http://milkyway.cs.rpi.edu/milkyway/get_project_config.php
Sat 02 Apr 2011 09:16:48 PM EST		Running CPU benchmarks
Sat 02 Apr 2011 09:16:48 PM EST		Suspending computation - running CPU benchmarks
Sat 02 Apr 2011 09:16:58 PM EST	Milkyway@home	work fetch suspended by user
Sat 02 Apr 2011 09:17:19 PM EST		Benchmark results:
Sat 02 Apr 2011 09:17:19 PM EST		   Number of CPUs: 4
Sat 02 Apr 2011 09:17:19 PM EST		   502 floating point MIPS (Whetstone) per CPU
Sat 02 Apr 2011 09:17:19 PM EST		   2372 integer MIPS (Dhrystone) per CPU
Sat 02 Apr 2011 09:17:20 PM EST		Resuming computation
Sat 02 Apr 2011 09:17:26 PM EST	Milkyway@home	Master file download succeeded
Sat 02 Apr 2011 09:17:31 PM EST	Milkyway@home	Sending scheduler request: Project initialization.
Sat 02 Apr 2011 09:17:31 PM EST	Milkyway@home	Requesting new tasks
Sat 02 Apr 2011 09:17:37 PM EST	Milkyway@home	Scheduler request completed: got 1 new tasks
Sat 02 Apr 2011 09:17:37 PM EST	Milkyway@home	General prefs: from Milkyway@home (last modified 29-Mar-2011 19:45:42)
Sat 02 Apr 2011 09:17:37 PM EST	Milkyway@home	Host location: none
Sat 02 Apr 2011 09:17:37 PM EST	Milkyway@home	General prefs: using your defaults
Sat 02 Apr 2011 09:17:37 PM EST		Reading preferences override file
Sat 02 Apr 2011 09:17:37 PM EST		Preferences:
Sat 02 Apr 2011 09:17:37 PM EST		   max memory usage when active: 1976.44MB
Sat 02 Apr 2011 09:17:37 PM EST		   max memory usage when idle: 3557.59MB
Sat 02 Apr 2011 09:17:37 PM EST		   max disk usage: 70.36GB
Sat 02 Apr 2011 09:17:37 PM EST		   suspend work if non-BOINC CPU load exceeds 25 %
Sat 02 Apr 2011 09:17:37 PM EST		   (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
Sat 02 Apr 2011 09:17:39 PM EST	Milkyway@home	Started download of milkyway_0.50_x86_64-pc-linux-gnu__sse2
Sat 02 Apr 2011 09:17:39 PM EST	Milkyway@home	Started download of parameters-13.txt
Sat 02 Apr 2011 09:17:41 PM EST	Milkyway@home	Finished download of parameters-13.txt
Sat 02 Apr 2011 09:17:41 PM EST	Milkyway@home	Started download of stars-13.txt
Sat 02 Apr 2011 09:20:31 PM EST	Milkyway@home	Finished download of milkyway_0.50_x86_64-pc-linux-gnu__sse2
Sat 02 Apr 2011 09:21:10 PM EST	Milkyway@home	Finished download of stars-13.txt
Sat 02 Apr 2011 09:25:49 PM EST		Not using a proxy
Sat 02 Apr 2011 09:26:24 PM EST	Milkyway@home	update requested by user
Sat 02 Apr 2011 09:26:25 PM EST	Milkyway@home	work fetch resumed by user
Sat 02 Apr 2011 09:26:26 PM EST	Milkyway@home	Sending scheduler request: Requested by user.
Sat 02 Apr 2011 09:26:26 PM EST	Milkyway@home	Reporting 1 completed tasks, requesting new tasks
Sat 02 Apr 2011 09:26:36 PM EST	Milkyway@home	Scheduler request completed: got 1 new tasks
Sat 02 Apr 2011 09:26:38 PM EST	Milkyway@home	File milkyway_nbody_0.40_x86_64-pc-linux-gnu__mt exists already, skipping download
Sat 02 Apr 2011 09:26:38 PM EST	Milkyway@home	Started download of orphan_test_2model.lua
Sat 02 Apr 2011 09:26:38 PM EST	Milkyway@home	Started download of histogram
Sat 02 Apr 2011 09:26:45 PM EST	Milkyway@home	Finished download of orphan_test_2model.lua
Sat 02 Apr 2011 09:26:45 PM EST	Milkyway@home	Finished download of histogram
Sat 02 Apr 2011 09:26:45 PM EST	Milkyway@home	Starting de_nbody_orphan_test_2model_4_9757_1301739233_0
Sat 02 Apr 2011 09:26:45 PM EST	Milkyway@home	Starting task de_nbody_orphan_test_2model_4_9757_1301739233_0 using milkyway_nbody version 40
Sat 02 Apr 2011 09:26:46 PM EST	Milkyway@home	Computation for task de_nbody_orphan_test_2model_4_9757_1301739233_0 finished
Sat 02 Apr 2011 09:27:46 PM EST	Milkyway@home	Sending scheduler request: To fetch work.
Sat 02 Apr 2011 09:27:46 PM EST	Milkyway@home	Reporting 1 completed tasks, requesting new tasks
Sat 02 Apr 2011 09:27:57 PM EST	Milkyway@home	Scheduler request completed: got 2 new tasks
Sat 02 Apr 2011 09:28:00 PM EST	Milkyway@home	Starting de_nbody_orphan_test_2model_4_9833_1301739233_0
Sat 02 Apr 2011 09:28:00 PM EST	Milkyway@home	Starting task de_nbody_orphan_test_2model_4_9833_1301739233_0 using milkyway_nbody version 40
Sat 02 Apr 2011 09:28:01 PM EST	Milkyway@home	Computation for task de_nbody_orphan_test_2model_4_9833_1301739233_0 finished
Sat 02 Apr 2011 09:28:01 PM EST	Milkyway@home	Starting de_nbody_orphan_test_2model_4_9815_1301739233_0
Sat 02 Apr 2011 09:28:01 PM EST	Milkyway@home	Starting task de_nbody_orphan_test_2model_4_9815_1301739233_0 using milkyway_nbody version 40
Sat 02 Apr 2011 09:28:02 PM EST	Milkyway@home	Computation for task de_nbody_orphan_test_2model_4_9815_1301739233_0 finished
Sat 02 Apr 2011 09:28:58 PM EST	Milkyway@home	work fetch suspended by user
4) Message boards : News : Milkyway@Home for iPhone / iOS released (Message 46885)
Posted 1 Apr 2011 by ahj
Post:
I would hate to see the performance per watt for this, it would be excruciatingly poor. Nice to see some innovation I guess, but is it really worth anyones while running this when a gpu, let alone an x86 CPU (even an intel atom! LOL) would be hundreds of times faster and efficient than an ARM CPU?

It IS interesting from a purely technical viewpoint though

EDIT: just realized it's the 1st of April, nice one ;D
5) Message boards : Number crunching : Max Temps? (Message 45413)
Posted 6 Jan 2011 by ahj
Post:
Especially if you enjoy constant frustration and arrogant admins who don't care about the people doing their work for them. Check out the forum before joining.


I'm going to have to call you on that cheap shot. The guys at GPUGRID have been great in the forum. I've been running GPUGRID plus MW for a few months in the same machine and have had very few problems. Normally, most project issues are the fault of the driver or BOINC, but there's nothing a rollback can't do.

The science they are doing is great, and it is a good community to be with.

Perhaps you can be more constructive by actually stating what kind of frustrations you were having? Following their instructions verbatim is the best way to go, including the swan_sync = 0 switch if you're in windows.

Anyway just my 2c
6) Message boards : Number crunching : Linux ATI application ? (Message 44415)
Posted 29 Nov 2010 by ahj
Post:
Theoretically this week I could put out a Linux ATI/OpenCL application for testing. It's not yet as fast as the Windows ATI one, but it's something.


This OpenCL client wouldn't be the elusive n-body app for GPU's would it?
7) Message boards : Cafe MilkyWay : Milestones III (Message 43610)
Posted 9 Nov 2010 by ahj
Post:
finally crossed the 10M mark: next stop 100M :D
8) Message boards : Cafe MilkyWay : Milestones III (Message 41659)
Posted 22 Aug 2010 by ahj
Post:
Just over 1M :D




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