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105 lines
2.5 KiB
ReStructuredText
105 lines
2.5 KiB
ReStructuredText
.. meta::
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:description: Learn about the GL1 Cache metrics in ROCm Compute Profiler, including utilization, request statistics, cache performance, the GL1-GL2 interface, and stalls on RDNA 3.5 (gfx115x).
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:keywords: ROCm Compute Profiler, RDNA, gfx115x, GL1, GL1 Cache, GL1C
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.. _rdna-gl1:
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===
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GL1
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===
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**GL1 Cache** is the shared L1 vector cache inside each shader array on gfx115x (one GL1 per shader array), supplied by GL0 (TCP) and forwarding misses toward GL2.
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For GL0 panels and Memory Chart rows through the TCP-GL1 boundary, see
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:doc:`gl0-cache`. For downstream GL2 panels after GL1, see :doc:`gl2-cache`; for DRAM / GCEA interfaces beyond GL2, see :doc:`gcea`.
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.. note::
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The GL1 Cache is also referred to as GL1C in some contexts. Hardware counter
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names (for example, ``GL1C_REQ_sum``) retain the GL1C prefix.
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GL1 Cache panels
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================
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GL1 Cache 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-gl1-cache-utilization-gfx115x
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:file: _templates/metrics_table.j2
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GL1 Cache 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-gl1-cache-request-statistics-gfx115x
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:file: _templates/metrics_table.j2
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GL1 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-gl1-cache-performance-gfx115x
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:file: _templates/metrics_table.j2
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GL1-GL2 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-gl1-gl2-interface-gfx115x
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:file: _templates/metrics_table.j2
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GL1 Cache 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-gl1-cache-stalls-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart: GL1 cache and GL1-GL2 interface
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=============================================
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The following Memory Chart tables align with the on-screen flow through GL1
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and the GL1-GL2 interface.
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Memory chart - GL1 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-gl1-cache-gfx115x
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:file: _templates/metrics_table.j2
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Memory chart - GL1-GL2 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-gl1-gl2-interface-gfx115x
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:file: _templates/metrics_table.j2
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