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139 lines
3.1 KiB
ReStructuredText
139 lines
3.1 KiB
ReStructuredText
.. meta::
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:description: ROCm Compute Profiler RDNA3.5 GL0 (TCP vector cache) metrics
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:keywords: ROCm Compute Profiler, RDNA, gfx115x, GL0, TCP, L0
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.. _rdna-gl0:
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=========================
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GL0 (TCP Vector Cache)
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=========================
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**GL0** is the vector-side TCP cache immediately in front of GL1, per CU (WGP-pair) in the shader datapath (hardware counters keep the ``TCP_*`` prefix on gfx115x).
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For GL1 panels and the GL1 Cache Memory Chart table, see :doc:`gl1-cache`.
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The handoff toward GL2 cache is under :doc:`gl2-cache`.
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.. note::
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On RDNA3.5, GL0 and TCP refer to the same cache. Hardware counter names
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(for example, ``TCP_REQ_sum``) retain the TCP prefix.
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GL0 cache panels
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================
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GL0 utilization
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---------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-gl0-utilization-gfx115x
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:file: _templates/metrics_table.j2
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GL0 request statistics
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----------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-gl0-request-statistics-gfx115x
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:file: _templates/metrics_table.j2
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GL0 cache performance
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---------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-gl0-cache-performance-gfx115x
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:file: _templates/metrics_table.j2
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GL0-GL1 interface
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-----------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-gl0-gl1-interface-gfx115x
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:file: _templates/metrics_table.j2
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GL0 stalls
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----------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-gl0-stalls-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart: path up to GL1
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============================
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The following Memory Chart tables align with the on-screen flow through instruction
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and scalar paths, GL0 (TCP), LDS, and the TCP-GL1 interface.
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Memory chart - instruction cache
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---------------------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-memory-chart-instruction-cache-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart - scalar data cache
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---------------------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-memory-chart-scalar-data-cache-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart - TCP cache (GL0 vector cache)
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--------------------------------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-memory-chart-tcp-cache-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart - LDS (local data share)
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--------------------------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-memory-chart-lds-local-data-share-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart - TCP-GL1 interface
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---------------------------------
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.. tab-set::
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.. tab-item:: RDNA 3.5 (gfx115x)
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:selected:
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.. jinja:: rdna115x-memory-chart-tcp-gl1-interface-gfx115x
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:file: _templates/metrics_table.j2
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