Repository navigation
Specialize INPLACE_ADD #89671
Description
| BPO | 45508 |
|---|---|
| Nosy | @sweeneyde |
| PRs |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
Show more details
GitHub fields:
assignee = None
closed_at = <Date 2021-12-29.07:19:05.337>
created_at = <Date 2021-10-18.09:49:41.994>
labels = []
title = 'Specialize INPLACE_ADD'
updated_at = <Date 2021-12-29.07:19:05.337>
user = 'https://github.com/sweeneyde'bugs.python.org fields:
activity = <Date 2021-12-29.07:19:05.337>
actor = 'Dennis Sweeney'
assignee = 'none'
closed = True
closed_date = <Date 2021-12-29.07:19:05.337>
closer = 'Dennis Sweeney'
components = []
creation = <Date 2021-10-18.09:49:41.994>
creator = 'Dennis Sweeney'
dependencies = []
files = []
hgrepos = []
issue_num = 45508
keywords = ['patch']
message_count = 1.0
messages = ['404171']
nosy_count = 1.0
nosy_names = ['Dennis Sweeney']
pr_nums = ['29024']
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue45508'
versions = []
Activity
sweeneyde commentedon Oct 18, 2021
I ran on WSL with PGO and got "1.00x faster":
https://gist.github.com/sweeneyde/41a76356e875e2a98d16ce5410ab41c0
My benchmarking doesn't seem particularly reliable, so someone else should probably verify.
Great specialization stats, except for telco, which uses decimal += decimal.
bm_fannkuch:
inplace_add.specialization_success : 23
inplace_add.specialization_failure : 3
inplace_add.hit : 7968285
inplace_add.deferred : 198
inplace_add.miss : 39
inplace_add.deopt : 3
inplace_add.unquickened : 168
bm_nbody:
inplace_add.specialization_success : 27
inplace_add.specialization_failure : 3
inplace_add.hit : 3600615
inplace_add.deferred : 198
inplace_add.miss : 39
inplace_add.deopt : 3
inplace_add.unquickened : 178
bm_spectral_norm:
inplace_add.specialization_success : 24
inplace_add.specialization_failure : 5
inplace_add.hit : 2684690
inplace_add.deferred : 326
inplace_add.miss : 20843
inplace_add.deopt : 3
inplace_add.unquickened : 171
bm_telco:
inplace_add.specialization_success : 21
inplace_add.specialization_failure : 18537
inplace_add.hit : 597
inplace_add.deferred : 1186282
inplace_add.miss : 39
inplace_add.deopt : 3
inplace_add.unquickened : 187