Daniel Kouchekinia be5c03ea9f mem-ruby,configs: Add GPU GLC Atomic Resource Constraints (#120) ...

Added a resource constraint, AtomicALUOperation, to GLC atomics
performed in the TCC.

The resource constraint uses a new class, ALUFreeList array. The class
assumes the following:
  - There are a fixed number of atomic ALU pipelines
- While a new cache line can be processed in each pipeline each cycle,
if a cache line is currently going through a pipeline, it can't be
processed again until it's finished

Two configuration parameters have been used to tune this behavior:
- tcc-num-atomic-alus corresponds to the number of atomic ALU pipelines
- atomic-alu-latency corresponds to the latency of atomic ALU pipelines

Change-Id: I25bdde7dafc3877590bb6536efdf57b8c540a939

2023-11-14 07:48:48 -08:00

38 KiB

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