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Commits on Apr 4, 2024

• gh-116968: Reimplement Tier 2 counters (#117144)

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  gvanrossum

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Commits on Mar 26, 2024

• GH-116422: Tier2 hot/cold splitting (GH-116813)

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  markshannon

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Commits on Mar 23, 2024

• gh-117180: Complete call sequence when trace stack overflow (GH-117184)

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Commits on Mar 21, 2024

• gh-117045: Add code object to function version cache (#117028)

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  gvanrossum

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Commits on Mar 20, 2024

• GH-108362: Incremental Cycle GC (GH-116206)

  markshannon

  authored
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Commits on Mar 19, 2024

• gh-116808: Fix optimized trace length histogram (GH-116827)

  mdboom

  authored
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Commits on Mar 18, 2024

• Cleanup tier2 debug output (#116920)

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  gvanrossum

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Commits on Mar 13, 2024

• gh-116760: Fix pystats for trace attempts (GH-116761)

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  mdboom

  authored
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Commits on Mar 11, 2024

• GH-116596: Better determination of escaping uops. (GH-116597)

  markshannon

  authored
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Commits on Mar 5, 2024

• Fix debug output for optimized executor (#116337)

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  gvanrossum

  authored
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Commits on Feb 28, 2024

• gh-115859: Re-enable T2 optimizer pass by default (#116062)

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  gvanrossum

  authored
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Commits on Feb 26, 2024

• gh-115168: Add pystats counter for invalidated executors (GH-115169)

  mdboom

  authored
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Commits on Feb 22, 2024

• gh-115727: Reduce confidence even on 100% predicted jumps (#115748)

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  gvanrossum

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Commits on Feb 20, 2024

• Tier 2 cleanups and tweaks (#115534)

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  gvanrossum

  authored
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• GH-115457: Support splitting and replication of micro ops. (GH-115558)

  markshannon

  authored
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• GH-112354: Initial implementation of warm up on exits and trace-stitching (GH-114142)

  markshannon

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Commits on Feb 13, 2024

• GH-113710: Improve `_SET_IP` and `_CHECK_VALIDITY` (GH-115248)

  markshannon

  authored
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• GH-113710: Backedge counter improvements. (GH-115166)

  markshannon

  authored
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• gh-114058: Foundations of the Tier2 redundancy eliminator (GH-115085)

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  4 peopleauthored
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Commits on Feb 12, 2024

• GH-114695: Add `sys._clear_internal_caches` (GH-115152)

  brandtbucher

  authored
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Commits on Feb 2, 2024

• GH-113710: Add a "globals to constants" pass (GH-114592)

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  markshannon

  authored
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Commits on Jan 29, 2024

• GH-113464: Add a JIT backend for tier 2 (GH-113465)

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  brandtbucher

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Commits on Jan 24, 2024

• GH-112354: `END_FOR` instruction to only pop one value. (GH-114247)

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  markshannon

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• GH-113710: Add a tier 2 peephole optimization pass. (GH-114487)

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  markshannon

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Commits on Jan 15, 2024

• GH-112354: `_GUARD_IS_TRUE_POP` side-exits to target the next instruction, not themselves. (GH-114078)

  markshannon

  authored
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Commits on Jan 12, 2024

• GH-113860: Get rid of `_PyUOpExecutorObject` (GH-113954)

  brandtbucher

  authored
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Commits on Jan 11, 2024

• GH-113853: Guarantee forward progress in executors (GH-113854)

  markshannon

  authored
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Commits on Jan 10, 2024

• GH-113860: All executors are now defined in terms of micro ops. Convert counter executor to use uops. (GH-113864)

  markshannon

  authored
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Commits on Jan 9, 2024

• Fix opcode name printing in debug mode (#113870)

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  gvanrossum

  authored
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Commits on Dec 24, 2023

• GH-111485: Fix handling of FOR_ITER in Tier 2 (GH-113394)

  markshannon

  authored
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Commits on Dec 20, 2023

• GH-111485: Generate instruction and uop metadata (GH-113287)

  markshannon

  authored
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Commits on Dec 12, 2023

• gh-112320: Implement on-trace confidence tracking for branches (#112321)

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  gvanrossum

  authored
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• GH-108866: Guarantee forward progress in executors. (GH-113006)

  markshannon

  authored
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Commits on Nov 29, 2023

• Rename ...Uop... to ...UOp... (uppercase O) for consistency (#112327)

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  gvanrossum

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Commits on Nov 20, 2023

• gh-111848: Clean up RESERVE() macro (#112274)

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  gvanrossum

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