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Message 1212553 - Posted: 31 Mar 2012, 21:16:14 UTC

And the CPU usage is normal as well.

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Message 1212621 - Posted: 1 Apr 2012, 0:20:34 UTC - in response to Message 1212553.

I have noticed huge blanking in almost all AP wu

What does cause the blanking
Radio interference? Sun giving out huge blasts of solar radiation?

I am not sure what is blanking but in AP tasks that I have been doing with NV r555 GPU the normal run time is usually under 2 hours. All the ones I have don with blanking high have taken 3 hours to do


They all run high priority under 7.0.24 x64


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Message 1212630 - Posted: 1 Apr 2012, 1:16:55 UTC - in response to Message 1212371.
Last modified: 1 Apr 2012, 1:21:32 UTC

Have you tried Nvidia system tools current ver is AFAIK 6.06 on Nvidia site
of NvidiaInspector? Either will allow user to set clocks etc.

I used the latter to downclock my 560's for a bit when the temps got to high:-)

Also I've had some problems with that driver under Win7, every now and then it just quits for no apparent reason, you get a blank screen, driver reloads and Boinc restarts apps, but with warning about no output files found and if problem persists project reset might be required..

But otherwise no problems:-)

Cheers,

Well then what do You suggest Cliff? Or somebody? As I just went thru a 4 way cpu backoff, the gpus were not even being used, It made My computer almost unusable, My browser had to wait until I killed BoincTasks and Boinc before I could use it...

Or should I just quit while I'm ahead...
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Message 1212637 - Posted: 1 Apr 2012, 1:56:51 UTC - in response to Message 1212371.

Have you tried Nvidia system tools current ver is AFAIK 6.06 on Nvidia site
of NvidiaInspector? Either will allow user to set clocks etc.

I used the latter to downclock my 560's for a bit when the temps got to high:-)

Also I've had some problems with that driver under Win7, every now and then it just quits for no apparent reason, you get a blank screen, driver reloads and Boinc restarts apps, but with warning about no output files found and if problem persists project reset might be required..

But otherwise no problems:-)

Cheers,

Nvidia System Tools does not support the 590 and they updated the tools to 6.08...

I tried 285.79, It's as bad as 285.62, crap...

http://www.nvidia.com/object/nvidia-system-tools-6.08-driver.html
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Message 1212648 - Posted: 1 Apr 2012, 3:04:57 UTC

Oh this You'll love the PCI-E bus was being throttled, I had to dig thru Nvidia Inspectors 2nd panel, but once I set that control to off, the gpu went from 553MHz to 630MHz! Instantly in fact, go figure.
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Message 1212658 - Posted: 1 Apr 2012, 4:15:42 UTC - in response to Message 1212621.

I have noticed huge blanking in almost all AP wu

What does cause the blanking
Radio interference? Sun giving out huge blasts of solar radiation?

Military radar usually. It has been somewhat well-documented in the tech news posts over the past 2-3 years. The staff knew there was radar there and there wasn't anything that could be done about it for a while. Then a very smart/clever person figured out that it uses a very predictable pattern, so the data can be marked where the radar is interfering and thus.. we have our blanking.

There may be other sources of interference, but I'm pretty sure radar is the major source.

And yes, I have also had a lot of high-blanked APs. Crunched and returned 31 APs as of right now and according to my spreadsheet, I finally have the 10 needed for the good ETA estimates. Problem is that I just have to wait for wingmen to crunch their half and report.
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Message 1212665 - Posted: 1 Apr 2012, 4:40:39 UTC - in response to Message 1212658.

I have noticed huge blanking in almost all AP wu

What does cause the blanking
Radio interference? Sun giving out huge blasts of solar radiation?

Military radar usually. It has been somewhat well-documented in the tech news posts over the past 2-3 years. The staff knew there was radar there and there wasn't anything that could be done about it for a while. Then a very smart/clever person figured out that it uses a very predictable pattern, so the data can be marked where the radar is interfering and thus.. we have our blanking.

There may be other sources of interference, but I'm pretty sure radar is the major source.

And yes, I have also had a lot of high-blanked APs. Crunched and returned 31 APs as of right now and according to my spreadsheet, I finally have the 10 needed for the good ETA estimates. Problem is that I just have to wait for wingmen to crunch their half and report.

Out here radar isn't a problem, bombs shaking the ground for miles is(an IE).
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Message 1212948 - Posted: 1 Apr 2012, 19:49:06 UTC - in response to Message 1212658.
Last modified: 1 Apr 2012, 19:52:42 UTC

I have noticed huge blanking in almost all AP wu

What does cause the blanking
Radio interference? Sun giving out huge blasts of solar radiation?
...
There may be other sources of interference, but I'm pretty sure radar is the major source.
...

Radar is certainly the prime offender, and there are two separate ways of dealing with its effects.

First, before the data is split it goes through an examination which combines channels and looks for known radar patterns. A signal is put on a 15th channel indicating where the patterns are seen, then as the data is being loaded for splitting those sections are replaced with pseudo random data shaped to fit the frequency profile of the good parts of the data. There's no indication in the WUs produced during the splitting what sections are real and what replaced, though.

Second, if there's a <remove_radar>1</remove_radar> element in an AP WU header, the application does an analysis which senses RFI by its tendency to add a DC component. That analysis makes a list of where in the 32 Mebisamples there are 128 sample sections with DC above a threshold. (While an AP task is being crunched, that list is in the slot directory as indices.txt.) For each such section, the application considers the preceding and following 400000 samples bad. In cases where there are enough to effectively mark all the data as bad, the application exits with the "...Blanking too much RFI?" message. Otherwise, searching for pulses commences, but for any data chunk being analyzed which is considered bad, that chunk is replaced with the same kind of pseudo random shaped data as used server-side. The application keeps track of how much data it has replaced and writes the <fraction_blanked> in the result file, Lunatics apps also put it in stderr as percent blanked.
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Message 1213042 - Posted: 2 Apr 2012, 0:37:21 UTC - in response to Message 1212948.

Radar is certainly the prime offender, and there are two separate ways of dealing with its effects.

First, before the data is split it goes through an examination which combines channels and looks for known radar patterns. A signal is put on a 15th channel indicating where the patterns are seen, then as the data is being loaded for splitting those sections are replaced with pseudo random data shaped to fit the frequency profile of the good parts of the data. There's no indication in the WUs produced during the splitting what sections are real and what replaced, though.

Second, if there's a <remove_radar>1</remove_radar> element in an AP WU header, the application does an analysis which senses RFI by its tendency to add a DC component. That analysis makes a list of where in the 32 Mebisamples there are 128 sample sections with DC above a threshold. (While an AP task is being crunched, that list is in the slot directory as indices.txt.) For each such section, the application considers the preceding and following 400000 samples bad. In cases where there are enough to effectively mark all the data as bad, the application exits with the "...Blanking too much RFI?" message. Otherwise, searching for pulses commences, but for any data chunk being analyzed which is considered bad, that chunk is replaced with the same kind of pseudo random shaped data as used server-side. The application keeps track of how much data it has replaced and writes the <fraction_blanked> in the result file, Lunatics apps also put it in stderr as percent blanked.






Thanks for the very detailed answer.


Have a great day


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Message 1213064 - Posted: 2 Apr 2012, 1:22:00 UTC - in response to Message 1210310.

If you have a CPU with SSE2 and above but not AVX the r557 MAY be faster.
We have indication that on most hosts r557 is faster but no guarantees.

I don't know if anybody needs this info but in case somebody wonders:
ap_6.01r557_SSE2_331_AVX.exe seems to work OK and is faster on my AMD Athlon(tm) 64 Processor 3500+
http://setiathome.berkeley.edu/show_host_detail.php?hostid=4832843





Till now 2 AstroPulse v6 tasks are finished using ap_6.01r557_SSE2_331_AVX.exe (but not yet validated):
http://setiathome.berkeley.edu/result.php?resultid=2374705716
http://setiathome.berkeley.edu/result.php?resultid=2377424264

(they took 33-34 hours CPU time while the older ap_5.05r409_SSE.exe was using 35-38 hours CPU time for AstroPulse v505 tasks)


To test that on my CPU both r555 SSE and r557 SSE2 give the same results and which of them is faster (for me) I used these files:
"AP bench 2.10" and "Shortened AP test WU for offline speed tests" from here:
http://lunatics.kwsn.net/index.php?module=Downloads;catd=44

and 2 apps extracted by 7-Zip from Lunatics_Win32_v0.40_setup.exe

I put the files this way (folder/files):

...\APbench\Science_apps\Reference\
AP6_win_x86_SSE_CPU_r555.exe
libfftw3f-3.dll

...\APbench\Science_apps\
ap_6.01r557_SSE2_331_AVX.exe

...\APbench\TestWUs\
ap_18se08aa_B6_P1_00046_1LC25.wu


Then I started APbench210.cmd

The results from ...\APbench\Testdatas\{computer-name}-20120401-0608-benchAP.txt
(shows that the results match and r557 is about 7% faster than r555 on this CPU using this WU)

Quick timetable WU : ap_18se08aa_B6_P1_00046_1LC25.wu AP6_win_x86_SSE_CPU_r555.exe -verbose : Elapsed 1248.953 secs CPU 1198.750 secs ap_6.01r557_SSE2_331_AVX.exe -instances_per_device 1 -hp -unroll 16 -ffa_block 4096 -ffa_block_fetch 2048 : Elapsed 1164.703 secs, speedup: 6.75% ratio: 1.07x CPU 1120.031 secs, speedup: 6.57% ratio: 1.07x ------------ CPU: Number of processors 1 Number of cores 1 (max 1) Specification AMD Athlon(tm) 64 Processor 3500+ Codename Orleans Core Stepping DH-F2 Technology 90 nm Instructions sets MMX (+), 3DNow! (+), SSE, SSE2, SSE3, x86-64, AMD-V L1 Data cache 64 KBytes, 2-way set associative, 64-byte line size L1 Instruction cache 64 KBytes, 2-way set associative, 64-byte line size L2 cache 512 KBytes, 16-way set associative, 64-byte line size Core Speed 2325.1 MHz Multiplier x FSB 11.0 x 211.4 MHz HT Link speed 845.5 MHz Stock frequency 2200 MHz ------------ Chipset: Northbridge NVIDIA MCP61 rev. A2 Southbridge NVIDIA MCP61 rev. A2 ------------ RAM: Memory Type DDR2 Memory Size 1024 MBytes Channels Dual Memory Frequency 387.5 MHz (CPU/6) Max bandwidth PC2-6400 (400 MHz) CAS# latency (CL) 5.0 RAS# to CAS# delay (tRCD) 5 RAS# Precharge (tRP) 5 Cycle Time (tRAS) 18 Bank Cycle Time (tRC) 24 Command Rate (CR) 2T ------------ ref-AP6_win_x86_SSE_CPU_r555.exe-ap_18se08aa_B6_P1_00046_1LC25.wu.res: <ap_signal>11,<pulses>1,<best_pulses>10 result-ap_6.01r557_SSE2_331_AVX.exe-ap_18se08aa_B6_P1_00046_1LC25.wu.res: <ap_signal>11,<pulses>1,<best_pulses>10 All Signals: Checked 11, 11 , Strongly Similar Pulses: Checked 1, 1 , Strongly Similar Best Pulses: Checked 10, 10 , Strongly Similar -(.\testDatas\ref\ref-AP6_win_x86_SSE_CPU_r555.exe-ap_18se08aa_B6_P1_00046_1LC25.wu.res)- Reportable Single Pulses: 0 [OK], 0 above threshold*THRESHOLD_FUDGE Reportable Repeating Pulses: 1 [OK] Single Pulses (Best): 10 [OK], 0 above threshold*THRESHOLD_FUDGE -(.\testDatas\result-ap_6.01r557_SSE2_331_AVX.exe-ap_18se08aa_B6_P1_00046_1LC25.wu.res)- Reportable Single Pulses: 0 [OK], 0 above threshold*THRESHOLD_FUDGE Reportable Repeating Pulses: 1 [OK] Single Pulses (Best): 10 [OK], 0 above threshold*THRESHOLD_FUDGE


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Message 1213078 - Posted: 2 Apr 2012, 2:27:00 UTC - in response to Message 1213064.

ummm The only reason that it is faster is the SSE2. I'm willing to be that since your CPU doesn't have AVX you are basically just running it off the SSE2 portion of the app
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Message 1213080 - Posted: 2 Apr 2012, 2:30:13 UTC - in response to Message 1213042.

Radar is certainly the prime offender, and there are two separate ways of dealing with its effects.

First, before the data is split it goes through an examination which combines channels and looks for known radar patterns. A signal is put on a 15th channel indicating where the patterns are seen, then as the data is being loaded for splitting those sections are replaced with pseudo random data shaped to fit the frequency profile of the good parts of the data. There's no indication in the WUs produced during the splitting what sections are real and what replaced, though.

Second, if there's a <remove_radar>1</remove_radar> element in an AP WU header, the application does an analysis which senses RFI by its tendency to add a DC component. That analysis makes a list of where in the 32 Mebisamples there are 128 sample sections with DC above a threshold. (While an AP task is being crunched, that list is in the slot directory as indices.txt.) For each such section, the application considers the preceding and following 400000 samples bad. In cases where there are enough to effectively mark all the data as bad, the application exits with the "...Blanking too much RFI?" message. Otherwise, searching for pulses commences, but for any data chunk being analyzed which is considered bad, that chunk is replaced with the same kind of pseudo random shaped data as used server-side. The application keeps track of how much data it has replaced and writes the <fraction_blanked> in the result file, Lunatics apps also put it in stderr as percent blanked.






Thanks for the very detailed answer.


Have a great day


Michael Miles


Please actually quote someone if you intend to quote someone. Copy and pasting their posts gets a bit annoying when I have to pick out your post from anothers. You notice on my post you can clearly see that I quoted you. On your, not so much

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Message 1213112 - Posted: 2 Apr 2012, 3:52:20 UTC - in response to Message 1213078.

ummm The only reason that it is faster is the SSE2. I'm willing to be that since your CPU doesn't have AVX you are basically just running it off the SSE2 portion of the app


I mentioned this already.

r557 is faster on AMDs without using AVX.

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Message 1213132 - Posted: 2 Apr 2012, 5:44:45 UTC - in response to Message 1213078.

ummm The only reason that it is faster is the SSE2. I'm willing to be that since your CPU doesn't have AVX you are basically just running it off the SSE2 portion of the app

There's no "SSE2 portion of the app" as such. Jason needed SSE2 compiler settings to get the statically linked FFTW with AVX to build r557 as he wanted, IIRC. It's a different source branch than Raistmer's r555 build, too, so there are other minor differences. Our testing indicated Jason's build clearly better on systems which can use AVX, Raistmer's build obviously the only possibility for SSE systems, and mixed results for all the rest with SSE2 or above but not AVX.

YMMV definitely applies.
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Message 1213306 - Posted: 2 Apr 2012, 19:24:58 UTC

The new ATI AP app doesn't work on my HD 4670. The program crashes after a few seconds. The previous AP app r516 didn't make any problems.

http://setiathome.berkeley.edu/result.php?resultid=2381249092
http://setiathome.berkeley.edu/result.php?resultid=2380377224
http://setiathome.berkeley.edu/result.php?resultid=2380585788
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Message 1213326 - Posted: 2 Apr 2012, 20:21:05 UTC
Last modified: 2 Apr 2012, 21:01:32 UTC

You have a 512 MB card.

One of the messages say out of memory.
Have to check how much its consuming.

Edit:

With your settings the app only uses 150 MB so shouldn´t be a problem.

Did you try newer drivers ?
11.5. wasn´t the best one.

Edit 2:

No need to change drivers.
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Message 1213566 - Posted: 3 Apr 2012, 12:18:04 UTC - in response to Message 1213306.

The new ATI AP app doesn't work on my HD 4670. The program crashes after a few seconds. The previous AP app r516 didn't make any problems.

http://setiathome.berkeley.edu/result.php?resultid=2381249092
http://setiathome.berkeley.edu/result.php?resultid=2380377224
http://setiathome.berkeley.edu/result.php?resultid=2380585788


If anyone uses r555 AP with any of HD4xxx please make report if it work for you.
For now we have reports from WG128 cards where different problems can occur.
I would like to see report from HD4870 card ...

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Message 1213628 - Posted: 3 Apr 2012, 19:25:04 UTC - in response to Message 1211420.

How many people have posted in this thread? Without counting, I'd guess at fewer than 20. What do the other 660 think?

I only do MB work, so i haven't bothered with the latest release as it doesn't affect me.

The advantage of the Lunatics installer is that allows pretty much anyone to install an optimised application without having to muck around manually copying & editing files. Adding yet more options, command line switches & other refinements detracts from the whole point of the installer IMHO. It's meant to make things simple, not more complicated.
I think at most you might want to have a screen during setup that mentions that some people may have some issues, and point them to the readme file for more information.

I'm happy with things the way they are at present- i ran the installer, edited the config file to run 2 WUs at a time on the GPU & then just let it do it's thing. If people want to reserve a Core or tweak other settings to get another .5% boost in throughput then they can go for it. But i wouldn't have those options as part of the installer.
Just tell people at the start (and end for those with short memories) of the installation to read the readme file for known issues, and their possible work arounds.

I'm coming into this fray fresh and probably somewhat naive. I've never used optimized apps before, but I started reading this thread because I'm ready (I think) to take the plunge. Also, I have not read all the way to the end of this thread, but I wanted to respond to something at this point.

Many software installers start the user off with a screen where they can choose a standard or express install that sets them up with the most common options; or an advanced install where one or more additional screens walk them through all the available options and let them choose. Could this installer implement something like that? The advanced screens would include choices for setting aside a CPU core or not, whether to leave some GPU performance available for regular use, etc.

(If this installer already does that, just tell me so and I'll shut up. Like I said, I'm just getting ready to do this for the first time.)

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Message 1213640 - Posted: 3 Apr 2012, 20:02:06 UTC - in response to Message 1213628.

First get GPUz and CPUz if you are unsure what gpu or CPU instruction set your CPU can run.

Next just try to run the installer. it takes several steps before it actually starts installing anything. You get to choose what apps you want and it creates an app_info for your install.

Once it is done it will restart your BOINC manager and you should see different apps running in your windows task manager.


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