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30 lines
1.3 KiB
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30 lines
1.3 KiB
ReStructuredText
.. meta::
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:description: ROCm Compute Profiler - RDNA3.5 shader engine overview and navigation
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:keywords: ROCm Compute Profiler, RDNA, gfx115x, shader engine
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.. _rdna-shader-engine:
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===============
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Shader engine
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===============
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On RDNA3 architecture-based GPUs, Shader engines (SEs) partition the programmable graphics and compute array into repeating slices.
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Within each SE, the Workgroup Manager (SPI) accepts dispatched kernels and schedules waves onto Workgroup Processors (WGPs).
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Each WGP maps to two Compute Units (CUs) that share execution resources and execute the scheduled waves.
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GL0 cache and GL1 cache implement the per-SE vector cache hierarchy feeding those CUs.
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Follow the nested sections under Shader engine in the navigation for gfx115x metric tables:
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* :doc:`spi`: Utilization and wave dispatch statistics that sit between the command processor and WGP execution.
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* :doc:`wgp`: Occupancy, waves, instruction mix, and WGP-local instruction/data caches at CU pair granularity.
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* :doc:`gl0-cache`: Panels from GL0 utilization through the TCP-GL1 boundary.
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* :doc:`gl1-cache`: Utilization, requests, cache performance, and the GL1-GL2 interface.
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GPU-wide and per-SE utilization summarized through GRBM is documented separately; see :doc:`grbm`.
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.. Note::
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For AMD Instinct-centric Shader engine metric tabs, see :doc:`../cdna/shader-engine`.
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