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perf: run pyperformance in CI and close the gaps it finds by moreal · Pull Request #8663 · RustPython/RustPython · GitHub

perf: run pyperformance in CI and close the gaps it finds - #8663

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moreal wants to merge 73 commits into

RustPython:mainfrom

moreal:agent/pyperformance-benchmark-catalog

Commits on Sep 8, 2026

Add script to run upstream pyperformance against RustPython
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4cb919a
pyperformance: support targeting any Python and comparing catalogs
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10d327e
time: use CLOCK_UPTIME_RAW for monotonic/perf_counter on Apple
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cf6b8c3
vm: derive f_lineno lazily instead of tracking prev_line per instruction
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11f8331
vm: coalesce per-call thread-locals into one FRAME_SLOT_CACHE
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d2e6d8b
vm: fold stop/finalizing checks into EVAL_BREAKER
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1164140
gc: set the TRACKED bit with a plain store for freshly allocated objects
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7779043
vm: skip thread exception publish when pushing/popping a None exc slot
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f4781e8
vm: allocation-free keyword-call fast path and super() MRO walk
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66671d8
builtins: cheaper enumerate and zip iteration
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2bace67
_asyncio: cache module objects and use native set/dict operations
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b795621
_json: add native make_encoder (c_make_encoder)
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de3006f
perf: use mimalloc as global allocator for rustpython CLI
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35fde2c
vm: cap dict/set table shrink and compact holes on resize
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e0d6de6
_functools: add native _lru_cache_wrapper
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16545f1
sre_engine: ASCII fast path for \d \s \w unicode category checks
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d9917ab
vm: skip VM attach for no-op generator/coroutine __del__
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58e5797
_asyncio: skip full __import__ dispatch on module-cache hot path
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5150706
vm: skip VM-attach section in with_vm when already on the current interpreter
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71503be
vm: general sys.modules fast path for vm.import
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105de35
_asyncio: bypass generic context.run dispatch in task_eager_start
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a2fd0fb
vm: drop scopeguard::defer! from generator/coroutine resume hot path
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187f1bd
vm: run generator bodies through the call trampoline
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8d82295
vm: run a `yield from` chain in one eval loop
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3ce7a3e
vm: reset the oparg prefix when a signal unwinds a frame
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0f9bdb9
bytecode: fetch a code unit with one 16-bit acquire load
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0a9b0ca
vm: compute the cache-entry count after dispatch, not before
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f1aaa09
vm: move the eval-breaker body out of the dispatch loop
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b6f3528
vm: always inline the eval stack push/pop primitives
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c3f24db
vm: carry the instruction fetch state in loop locals
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4c7a728
bytecode: hoist the instruction array base out of the dispatch loop
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d3372c4
common: an immortal bit in the refcount word
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f33054b
vm: make the singletons, small ints, interned strings and static types immortal
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b97d542
codecs: fast-path utf-8 decode, skipping the codec registry round trip
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e648e36
codecs: fast-path utf-8/ascii/latin-1 encode and ascii/latin-1 decode
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2d44f3c
vm: make the runtime safe for borrowed stack entries
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0733c34
vm: read consumed stack entries in place instead of owning them
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f949a12
vm: turn LOAD_FAST_BORROW into an actual borrow
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23979f6
vm: exact-dict fast path for DICT_MERGE and CALL_FUNCTION_EX kwargs
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b88b571
vm: skip the recursion guard hashing exact ints inside a tuple
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a3df72c
vm: wire slot descriptors from __slots__ into C-level type slots
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a126a94
pyexpat: add UseForeignDTD, fix silently swallowed handler exceptions
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1b3d1fd
pyexpat: support multi-chunk Parse()/ParseFile() feeds
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c5a05b0
frame: stop allocating cold data to close a generator
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5e244fa
function: bind exact args straight into a generator's frame
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df078a2
frame: drain a dead frame in place instead of moving it out
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141f87c
vm: don't raise a TypeError to ask an iterator for its length
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c90081b
gc: track a generator and its frame in one pass
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3c7b479
test: drop stale expectedFailure markers fixed by the pyexpat changes
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8d0ebf9
pyexpat: drive a single background EventReader for true incremental Parse()
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eade737
pyexpat: add a Sync fallback backend for targets without threads
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e5c7634
_pickle: native Pickler, Unpickler and PickleBuffer
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c5c8090
_pickle: raise the pickle.find_class audit event
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7b69fd0
_pickle: avoid temporary buffers on the save fast paths
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1ac89d4
pyexpat: make the threaded backend fork-safe
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baafe8e
pyexpat: implement name interning via self.intern, matching libexpat
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1059850
_elementtree: native Element, SubElement and ParseError
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88e722f
_elementtree: native TreeBuilder and XMLParser
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d0b8045
pyexpat: stop rescanning the whole line per position query
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6f4396f
_elementtree: charge Element.__deepcopy__ to the recursion budget
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65c509f
pyexpat: don't let a stale NeedMore end a Parse() early
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812d3f3
dict_inner: fast-path exact-int equality in key_eq
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66a24e8
vm: let the modulus type handle a three-argument pow
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117826a
decimal: add a native arbitrary-precision decimal engine
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96c0bfc
_decimal: ship the native engine as decimal's accelerator
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b6f1fd7
vm: add a feature-gated opcode-pair histogram
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0647ee9
vm: let boolean producers run the branch that follows them
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ab86664
ci: compare base, head and CPython with pyperformance on one runner
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08a9726
ci: comment from the pyperformance run itself when the PR allows it
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e068bfb
ci: address zizmor findings and fall back to head vs. CPython
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3266846
fix: clear the clippy lints this branch introduced
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06a3415
fix: keep the ospath gate and let unbounded division and power stay exact
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c727056

Commits on Sep 9, 2026

fix: don't build a power of ten that dwarfs what it divides
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307e346