faster-cpython ideas issues

faster-cpython / ideas

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Change MSBuild to use the Clang backend

#690 Fidget-Spinner opened 1 day ago
2
Investigation: Collect "mean instruction count" metric

#689 mdboom opened 6 days ago
3
Investigation: Are we using the right statistics to show improvement in our benchmarks?

#688 mdboom opened 1 week ago
4
StackRef Semantics

#687 Fidget-Spinner opened 1 week ago
0
Lower `BEFORE_WITH` and `BEFORE_ASYNC_WITH` to attribute lookups and calls.

#685 markshannon closed 2 weeks ago
1
Use UTF-8 internally for strings.

#684 markshannon opened 3 weeks ago
4
Should `pyperf` detect when CPython is using a JIT?

#683 JeffersGlass opened 1 month ago
4
PGO-ed JIT-ted startup

#682 Fidget-Spinner opened 1 month ago
1
Add info on 'uop pair counts' in stats

#681 JeffersGlass closed 1 month ago
1
Better optimization of side exits by recording type information

#680 markshannon opened 1 month ago
1
Combining deferred reference counting and tagged pointers

#678 markshannon opened 1 month ago
0
Deferred reference counts.

#677 markshannon opened 1 month ago
13
Tagged integers

#676 markshannon opened 1 month ago
4
Use two call stacks instead of one.

#675 markshannon opened 1 month ago
2
Lazily create attributes that are created often, but read rarely.

#674 markshannon opened 1 month ago
0
Trace stitching. Only drop into tier 1 for genuine de-opts.

#673 markshannon closed 2 months ago
0
Make `struct _typeobject` a plain C struct and use it to build immutable, shareable `PyTypeObject`s

#672 markshannon opened 2 months ago
16
Speed up s.startswith()

#671 gvanrossum opened 3 months ago
17
Tier 2 optimizer: Constant Int and Float propagation, without the refcount problems

#670 Fidget-Spinner opened 3 months ago
3
Investigation: Optimizer/executor/traces are behaving strangely

#669 Fidget-Spinner closed 3 months ago
23
Investigation: Why do some benchmarks have significantly increased memory usage with the new incremental GC?

#668 mdboom opened 3 months ago
1
String concatenation optimization of known strings

#667 jneb opened 3 months ago
5
Can we split `_INIT_CALL_PY_EXACT_ARGS` further in Tier 2?

#666 gvanrossum opened 3 months ago
1
Store both function and code object in the function version cache

#665 gvanrossum opened 3 months ago
3
Investigation: Group benchmarks based on their profiling "characterization"

#664 mdboom opened 3 months ago
20
JIT: Register passing proposal & reducing stack traffic significantly

#663 Fidget-Spinner closed 3 months ago
2
Specialize binary ops according to reference count as well as type.

#662 markshannon opened 3 months ago
3
Speeding up Python-to-Python calls.

#661 markshannon opened 3 months ago
5
Low effort, precise specialization in tier 2 using lookup tables, `replace` and `replicate`.

#660 markshannon opened 3 months ago
5
Make Linux perf profiling work well with the JIT

#659 mdboom closed 3 months ago
4
Swap top/bottom of partial order

#658 gvanrossum closed 4 months ago
0
Proposal for modified frame layout in 3.13

#657 Fidget-Spinner opened 4 months ago
6
Fix syntax highlighting in `redundancy_eliminator.md`

#656 baseplate-admin closed 4 months ago
0
Add cross reference from execution counts to specialization stats

#655 mdboom closed 4 months ago
0
Things to do for 3.13

#654 markshannon opened 4 months ago
0
True function inlining: design discussion

#653 Fidget-Spinner opened 4 months ago
21
Investigation: Why are pystats changing in unexpected ways?

#652 mdboom closed 4 months ago
11
Better handling of accessing an object's `__dict__` attribute.

#651 markshannon opened 4 months ago
5
Pystats docs

#650 mdboom closed 4 months ago
3
Proposal for the tier 2 redundancy eliminator

#649 Fidget-Spinner closed 4 months ago
1
Design discussion for https://github.com/python/cpython/pull/114059

#648 Fidget-Spinner closed 4 months ago
9
Superinstructions for Copy & Patch JIT

#647 JeffersGlass opened 5 months ago
16
Investigation: Why is the performance of the mypy2 bench so poor on main relative to 3.12.0?

#646 mdboom closed 5 months ago
4
Handling unlikely events with de-optimization in tier 2.

#645 markshannon opened 5 months ago
7
Data structures and code for exits from executors.

#644 markshannon closed 4 months ago
11
Reimplement `mappingproxy` as dict-like object, not a wrapper around a dict.

#643 markshannon opened 5 months ago
2
Tail-calling interpreter

#642 markshannon opened 5 months ago
3
Plan for the specializer

#641 Fidget-Spinner closed 6 months ago
1
Document design of tier 2 engines

#640 markshannon closed 6 months ago
0
Consider improving Tier 2 coverage in PGO data collection

#639 mdboom opened 6 months ago
5