{"id":18435906,"url":"https://github.com/parallel101/hw04","last_synced_at":"2025-05-08T21:20:31.407Z","repository":{"id":39584442,"uuid":"443495656","full_name":"parallel101/hw04","owner":"parallel101","description":null,"archived":false,"fork":false,"pushed_at":"2024-08-21T12:22:19.000Z","size":7,"stargazers_count":6,"open_issues_count":33,"forks_count":64,"subscribers_count":3,"default_branch":"main","last_synced_at":"2025-03-31T18:21:17.155Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/parallel101.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2022-01-01T07:56:05.000Z","updated_at":"2025-02-13T11:38:42.000Z","dependencies_parsed_at":"2025-01-10T04:11:04.053Z","dependency_job_id":"b11037bb-9d99-4c7b-a223-e6b51d8a1892","html_url":"https://github.com/parallel101/hw04","commit_stats":{"total_commits":6,"total_committers":1,"mean_commits":6.0,"dds":0.0,"last_synced_commit":"8bda78d0fc4df967ebb7b39bea9dff975b22f36b"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/parallel101%2Fhw04","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/parallel101%2Fhw04/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/parallel101%2Fhw04/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/parallel101%2Fhw04/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/parallel101","download_url":"https://codeload.github.com/parallel101/hw04/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":253150005,"owners_count":21861808,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-06T06:09:39.416Z","updated_at":"2025-05-08T21:20:31.386Z","avatar_url":"https://github.com/parallel101.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# 高性能并行编程与优化 - 第04讲的回家作业\n\n通过 pull request 提交作业。会批分数，但是：\n\n没有结业证书，回家作业仅仅作为评估学习效果和巩固知识的手段，不必为分数感到紧张 :)\n量力而行，只要能在本课中，学到昨天的自己不懂的知识，就是胜利，没必要和别人攀比。\n注意不要偷看别人的作业哦！\n\n- 课件：https://github.com/parallel101/course\n- 录播：https://space.bilibili.com/263032155\n\n作业提交时间不限 :) 即使完结了还想交的话我也会看的~ 不过最好在下一讲开播前完成。\n\n- 如何开 pull request：https://zhuanlan.zhihu.com/p/51199833\n- 如何设置 https 代理：https://www.jianshu.com/p/b481d2a42274\n\n## 评分规则\n\n- 在你的电脑上加速了多少倍，就是多少分！请在 PR 描述中写明加速前后的用时数据。\n- 最好详细解释一下为什么这样可以优化。会额外以乘法的形式加分。\n- 比如你优化后加速了 50 倍，讲的很详细，所以分数乘 2，变成 100 分！\n- 比如你优化后加速了 1000 倍，但是你的 PR 描述是空，所以分数乘 0，变成 0 分！\n\n## 作业要求\n\n利用这次课上所学知识，修改 main.cpp，优化其中的多体引力求解器：\n\n- 不允许使用多线程并行\n- 不允许做算法复杂度优化\n- 可以针对编译器和平台优化，这次不要求跨平台\n- 可以用 xmmintrin.h，如果你觉得编译器靠不住的话\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fparallel101%2Fhw04","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fparallel101%2Fhw04","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fparallel101%2Fhw04/lists"}