Project restart in June

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Alez
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#1 Project restart in June

Post by Alez »

The maintenance is almost over. The new native BOINC apps are being tested in the local network now. We expect the project to be restarted at the end of next week. This will be preceded by server and storage upgrade. The work on the database is still in progress and will continue in parallel with the computations.

Also, the paper “XANSONS for COD: a new small BOINC project in crystallography” was accepted for presentation at the BOINC:FAST’2017 conference which is to be held in Petrozavodsk, Russia in August.
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Alez
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#2 Re: Project restart in June

Post by Alez »

Maintenance is over!

The project is restarted with new native BOINC apps and additional computational scenario.

Now the large WUs can be assigned only to the GPU and the small ones only to the CPU.

GPU apps do not require dedicated CPU core by default anymore. If you notice any performance issues caused by this, consider using custom app configuration. Place this file in the project's folder.

The apps of this project do not make checkpoints. If stopped, the task will be restarted from the beginning. The task execution time should not exceed 10 minutes for moderate PCs. However, some tasks may take longer to complete on low-end PCs. This is particularly true for low-end GPUs. If the execution time of tasks is unacceptably high for your GPU, consider disabling it in the "Preferences for this project" in your profile page.

The project is in beta-testing stage. Bugs are more than likely. However, all the results obtained during this stage will be included in the final database If no critical errors are found.

Thank you for participating!
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Alez
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#3 Re: Project restart in June

Post by Alez »

The app_config file to use. To do this, create an ASCII file app_config.xml in the project's directory.

<app_config>
<app>
<name>xansons_gpu</name>
<max_concurrent>4</max_concurrent>
<gpu_versions>
<gpu_usage>1.0</gpu_usage>
<cpu_usage>1.0</cpu_usage>
</gpu_versions>
</app>
</app_config>
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Alez
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#4 Re: Project restart in June

Post by Alez »

You can use this one if you wish to change the default values for the MT application. Change the X to the values you wish.
max_concurrent = The maximum number of tasks of this application to run at a given time.
fraction_done_exact = if set, base estimates of remaining time solely on the fraction done reported by the app.
[<cmdline>--nthreads 7</cmdline>] = will use 7 threads, [<cmdline>--nthreads 2</cmdline>] = will use 2 threads etc.
max_concurrent = The maximum number of tasks of this application to run at a given time.

<app_config>
<app>
<name>xansons_gpu</name>
<max_concurrent>4</max_concurrent>
<fraction_done_exact/>
<gpu_versions>
<gpu_usage>1</gpu_usage>
<cpu_usage>1</cpu_usage>
</gpu_versions>
</app>

<app_version>
<app_name>xansons_cpu</app_name>
<plan_class>mt_windows</plan_class>
<avg_ncpus>X</avg_ncpus>
<cmdline>--nthreads X</cmdline>
</app_version>
<project_max_concurrent>X</project_max_concurrent>
</app_config>
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