mirror of https://github.com/BOINC/boinc.git
72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
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<?php
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require_once("docutil.php");
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page_head("Simulator input format");
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echo "
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This document describes an input file format for BOINC client simulators.
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The input consists of three files.
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<h3>sim_projects.xml</h3>
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This describes the set of attached projects.
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".html_text("
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<projects>
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<project>
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<project_name>proj 1</project_name>
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<resource_share>100</resource_share>
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<app>
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<latency_bound>100</latency_bound>
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<fpops>
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<mean>100000000</mean>
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<var>100000</var>
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</fpops>
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<working_set>100000000</working_set>
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</app>
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<available>
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<frac>.7</frac>
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<lambda>1000</lambda>
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</available>
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</project>
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</projects>
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")."
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A project has one or more applications.
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Each application has a given latency bound and working-set size.
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The number of FP ops is a truncated normal distribution
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with the given mean and variance.
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<p>
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The availability of the projects
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(i.e. the periods when scheduler RPCs succeed)
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is modeled with two parameters:
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the duration of available periods are exponentially distributed
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with the given mean,
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and the unavailable periods are exponentially distributed
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achieving the given available fraction.
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<h3>sim_host.xml</h3>
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This describes the host hardware and availability.
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".html_text("
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<host>
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<p_ncpus>x</p_ncpus>
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<p_fpops>x</p_fpops>
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<m_nbytes>x</m_nbytes>
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<available>
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<frac>.7</frac>
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<lambda>1000</lambda>
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</available>
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<idle>
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<frac>.7</frac>
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<lambda>1000</lambda>
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</idle>
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</host>
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")."
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The available periods (i.e., when BOINC is running)
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and the idle periods (i.e. when there is no user input)
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are modeled as above.
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<h3>sim_prefs.xml</h3>
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Same format as the global_prefs.xml file.
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";
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page_tail();
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?>
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