Split microtage perf#694

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CJ362ff wants to merge 25 commits intoxs-devfrom

split-microtage-perf

Commits on Jan 6, 2026

cpu-o3: split microtage out of tage
Cao Jiaming
committed
cpu-o3: reorganize includes in microtage files for clarity
Cao Jiaming
committed
cpu-o3: enhance branch index calculation in MicroTAGE to handle edge cases
Cao Jiaming
committed
cpu-o3: update blockWidth calculation to handle zero blockSize
Cao Jiaming
committed

Commits on Jan 8, 2026

cpu-o3: adjust MicroTAGE parameters and clean up code for clarity
Cao Jiaming
committed
cpu-o3: remove unused variable 'usingBasetable'
Cao Jiaming
committed

Commits on Jan 9, 2026

cpu-o3: MicroTAGE to remove base table and alternative prediction
Cao Jiaming
committed
cpu-o3: update MicroTAGE parameters for consistency
Cao Jiaming
committed

Commits on Jan 12, 2026

cpu-o3: remove alternative prediction logic
Cao Jiaming
committed

Commits on Jan 13, 2026

cpu-o3: refine MicroTAGE parameters and remove unused variables
Cao Jiaming
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cpu-o3: update MicroTAGE history length parameter to 16
Cao Jiaming
committed

Commits on Jan 15, 2026

cpu-o3: update MicroTAGE history length parameter to 25
Cao Jiaming
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cpu-o3: update MicroTAGE history length parameter to 37
Cao Jiaming
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cpu-o3: update MicroTAGE history length parameter to 56
Cao Jiaming
committed

Commits on Jan 16, 2026

cpu-o3: update MicroTAGE history length parameter to 32
Cao Jiaming
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cpu-o3: update MicroTAGE history length parameter to 20
Cao Jiaming
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cpu-o3: update MicroTAGE history length parameter to 18
Cao Jiaming
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cpu-o3: modify MicroTAGE to include alternative tag history
Cao Jiaming
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cpu-o3: enhance MicroTAGE statistics to track utage prediction accuracy
Cao Jiaming
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cpu-o3: update MicroTAGE prediction latency to 1 cycle
Cao Jiaming
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cpu-o3: enable update on read and adjust prediction latency
Cao Jiaming
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cpu-o3: disable update on read for MicroTAGE predictor
Cao Jiaming
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cpu-o3: update MicroTAGE prediction latency to 1 cycle
Cao Jiaming
committed

Commits on Jan 23, 2026

cpu-o3: add recovery for alternative tag folded history
Cao Jiaming
committed
cpu-o3:change utage delay to 0
Cao Jiaming
committed