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Issues list

The Performance Effects of Virtual-Machine Instruction Pointer Updates Paper research-interaction notes from researchers, papers etc.
#697 opened Sep 16, 2024 by Fidget-Spinner
Cross Module Quickening Paper research-interaction notes from researchers, papers etc.
#696 opened Sep 16, 2024 by Fidget-Spinner
7
Candidate root base cycle GC
#693 opened Aug 5, 2024 by markshannon
Faster access to per-interpreter globals.
#692 opened Jul 30, 2024 by markshannon
4
String search improvements
#691 opened Jul 26, 2024 by dg-pb
2
Change MSBuild to use the Clang backend
#690 opened Jul 2, 2024 by Fidget-Spinner
9
Investigation: Collect "mean instruction count" metric
#689 opened Jun 26, 2024 by mdboom
9
Investigation: Are we using the right statistics to show improvement in our benchmarks?
#688 opened Jun 24, 2024 by mdboom
4
Use UTF-8 internally for strings.
#684 opened Jun 12, 2024 by markshannon
13
Should pyperf detect when CPython is using a JIT?
#683 opened May 28, 2024 by JeffersGlass
4
PGO-ed JIT-ted startup
#682 opened May 25, 2024 by Fidget-Spinner
1
Better optimization of side exits by recording type information
#680 opened May 20, 2024 by markshannon
@Fidget-Spinner
2
Combining deferred reference counting and tagged pointers
#678 opened May 8, 2024 by markshannon
Deferred reference counts.
#677 opened May 8, 2024 by markshannon
13
Tagged integers
#676 opened May 8, 2024 by markshannon
5
Use two call stacks instead of one.
#675 opened May 8, 2024 by markshannon
7
Lazily create attributes that are created often, but read rarely.
#674 opened May 7, 2024 by markshannon
Make struct _typeobject a plain C struct and use it to build immutable, shareable PyTypeObjects
#672 opened Apr 9, 2024 by markshannon
16
Speed up s.startswith()
#671 opened Apr 1, 2024 by gvanrossum
17
Tier 2 optimizer: Constant Int and Float propagation, without the refcount problems
#670 opened Mar 30, 2024 by Fidget-Spinner
3
Investigation: Why do some benchmarks have significantly increased memory usage with the new incremental GC?
#668 opened Mar 22, 2024 by mdboom
1
String concatenation optimization of known strings
#667 opened Mar 22, 2024 by jneb
5
Can we split _INIT_CALL_PY_EXACT_ARGS further in Tier 2?
#666 opened Mar 18, 2024 by gvanrossum
1
Store both function and code object in the function version cache
#665 opened Mar 17, 2024 by gvanrossum
@gvanrossum
3
Investigation: Group benchmarks based on their profiling "characterization"
#664 opened Mar 11, 2024 by mdboom
20
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