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@@ -1159,8 +1159,11 @@ same. This is very true for regular kernels on GPUs for instance (<0.1% error),
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and just a bit less true on CPUs (~=1% error). This also assumes that there are
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few different sets of data input/output sizes. StarPU will then keep record of
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the average time of previous executions on the various processing units, and use
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-it as an estimation. It will also save it in @code{~/.starpu/sampling/codelets}
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-for further executions. The following is a small code example.
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+it as an estimation. History is done per task size, by using a hash of the input
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+and ouput sizes as an index.
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+It will also save it in @code{~/.starpu/sampling/codelets}
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+for further executions, and can be observed by using the
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+@code{starpu_perfmodel_display} command. The following is a small code example.
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@cartouche
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@smallexample
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