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47 lines
1.7 KiB
ReStructuredText
47 lines
1.7 KiB
ReStructuredText
.. _normalization-units:
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Normalization units
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===================
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A user-configurable unit by which you can choose to normalize data. Options
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include:
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.. list-table::
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:header-rows: 1
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* - Name
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- Description
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* - ``per_wave``
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- The total value of the measured counter or metric that occurred per
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kernel invocation divided by the total number of
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:ref:`wavefronts <desc-wavefront>` launched in the kernel.
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* - ``per_cycle``
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- The total value of the measured counter or metric that occurred per
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kernel invocation divided by the
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:ref:`kernel cycles <kernel-cycles>`, that is, the total number of
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cycles the kernel executed as measured by the
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:doc:`command processor <cdna/command-processor>`.
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* - ``per_kernel``
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- The total value of the measured counter or metric that occurred per
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kernel invocation.
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* - ``per_second``
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- The total value of the measured counter or metric that occurred per
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kernel invocation divided by the :ref:`kernel time <kernel-time>`,
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that is, the total runtime of the kernel in seconds, as measured by the
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:doc:`command processor <cdna/command-processor>`.
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By default, ROCm Compute Profiler uses the ``per_kernel`` normalization.
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.. tip::
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The best normalization may vary depending on your use case. For instance, a
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``per_second`` normalization might be useful for FLOP or bandwidth
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comparisons, while a ``per_wave`` normalization could be useful to see how many
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(and what types) of instructions are used per wavefront. A ``per_kernel``
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normalization can be useful to get the total aggregate values of metrics for
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comparison between different configurations.
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