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@@ -1349,8 +1349,9 @@ for further executions, and can be observed by using the
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@code{starpu_perfmodel_display} command, or drawn by using
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@code{starpu_perfmodel_display} command, or drawn by using
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the @code{starpu_perfmodel_plot}. The models are indexed by machine name. To
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the @code{starpu_perfmodel_plot}. The models are indexed by machine name. To
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share the models between machines (e.g. for a homogeneous cluster), use
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share the models between machines (e.g. for a homogeneous cluster), use
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-@code{export STARPU_HOSTNAME=some_global_name}. The following is a small code
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-example.
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+@code{export STARPU_HOSTNAME=some_global_name}. Measurements are only done when using a task scheduler which makes use of it, such as @code{heft} or @code{dmda}.
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+
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+The following is a small code example.
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If e.g. the code is recompiled with other compilation options, or several
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If e.g. the code is recompiled with other compilation options, or several
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variants of the code are used, the symbol string should be changed to reflect
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variants of the code are used, the symbol string should be changed to reflect
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@@ -2214,7 +2215,7 @@ schedulable yet are shown in grey.
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@node Codelet performance
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@node Codelet performance
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@section Performance of codelets
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@section Performance of codelets
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-The performance model of codelets can be examined by using the
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+The performance model of codelets (described in @ref{Performance model example}) can be examined by using the
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@code{starpu_perfmodel_display} tool:
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@code{starpu_perfmodel_display} tool:
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@example
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@example
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