Certain methods that heap allocated subtypes inherit suffer a 50-80% performance penalty
未关闭
还没有人认领这个 Issue。
3.12
performance
topic-C-API
- 主要语言
- Python
- 星标
- 77.2k
- 派生
- 36k
- 平均合并
- 1 天 9 小时
- 30 天内合并 PR
- 558
描述
| BPO | 34396 |
|---|---|
| Nosy | @rhettinger, @scoder, @benjaminp, @methane, @serhiy-storchaka, @jdemeyer, @mr-nfamous, @Marco-Sulla |
| 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 = None
created_at = <Date 2018-08-13.19:36:41.892>
labels = ['expert-C-API', '3.9', 'performance']
title = 'Certain methods that heap allocated subtypes inherit suffer a 50-80% performance penalty'
updated_at = <Date 2020-02-28.08:02:38.315>
user = 'https://github.com/mr-nfamous'
bugs.python.org fields:
activity = <Date 2020-02-28.08:02:38.315>
actor = 'methane'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['C API']
creation = <Date 2018-08-13.19:36:41.892>
creator = 'bup'
dependencies = []
files = []
hgrepos = []
issue_num = 34396
keywords = ['patch']
message_count = 8.0
messages = ['323490', '323498', '328187', '339449', '339453', '339477', '348185', '362715']
nosy_count = 8.0
nosy_names = ['rhettinger', 'scoder', 'benjamin.peterson', 'methane', 'serhiy.storchaka', 'jdemeyer', 'bup', 'Marco Sulla']
pr_nums = ['14863']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue34396'
versions = ['Python 3.9']
贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
调研方向
从 BPO issue 34396 和其中引用的 PR #14863 开始；payload 没有列出源文件或测试。确定受影响的 heap 分配子类型上的继承方法，并使用 benchmarks 验证报告的性能损失；当回归问题得到解决且性能差异得到验证时，即视为完成。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- c, python
- 领域
- backend, performance
- Issue 类型
- 缺陷
- 难度
- 5/5
- 预计耗时
- 一周以上
- 活跃度
- 停滞
- 描述清晰度
- 需要澄清
- 新手友好度
- 25/100