{"id":27230542,"url":"https://github.com/artempyanykh/eurollvm25","last_synced_at":"2025-04-10T13:24:21.851Z","repository":{"id":286892575,"uuid":"949652708","full_name":"artempyanykh/eurollvm25","owner":"artempyanykh","description":"Reference for my presentation at EuroLLVM 2025","archived":false,"fork":false,"pushed_at":"2025-04-08T21:07:57.000Z","size":972,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-04-08T22:22:34.129Z","etag":null,"topics":["asan","llvm","performance","presentation","sanitizers"],"latest_commit_sha":null,"homepage":"","language":"Makefile","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/artempyanykh.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","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":"2025-03-16T22:59:24.000Z","updated_at":"2025-04-08T21:08:01.000Z","dependencies_parsed_at":"2025-04-08T22:22:37.974Z","dependency_job_id":null,"html_url":"https://github.com/artempyanykh/eurollvm25","commit_stats":null,"previous_names":["artempyanykh/eurollvm25"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/artempyanykh%2Feurollvm25","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/artempyanykh%2Feurollvm25/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/artempyanykh%2Feurollvm25/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/artempyanykh%2Feurollvm25/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/artempyanykh","download_url":"https://codeload.github.com/artempyanykh/eurollvm25/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248225664,"owners_count":21068078,"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":["asan","llvm","performance","presentation","sanitizers"],"created_at":"2025-04-10T13:24:20.827Z","updated_at":"2025-04-10T13:24:21.835Z","avatar_url":"https://github.com/artempyanykh.png","language":"Makefile","funding_links":[],"categories":[],"sub_categories":[],"readme":"# EuroLLVM 2025 presentation\n\nThis is a support repository for my presentation at EuroLLVM 2025 (April) titled:\n\n\u003e Accidentally quadratic in compiler-rt/asan\n\nThe slides are [available here](./slides.pdf).\n\n## Repro\n\n1. Clone this repository with submodules:\n\n```\ngit clone --recurse-submodules git@github.com:artempyanykh/eurollvm25.git\n```\n\n2. Build the before and after executables (this will also build 2 versions of LLVM):\n\n```\nmake before_patch after_patch\n```\n\n3. Compare the runtime:\n\n```\n~/d/eurollvm25 \u003e time ./before_patch\nHello EuroLLVM!\n\n________________________________________________________\nExecuted in    5.62 secs    fish           external\n   usr time    5.51 secs   19.00 micros    5.51 secs\n   sys time    0.04 secs  487.00 micros    0.04 secs\n\n~/d/eurollvm25 \u003e time ./after_patch\nHello EuroLLVM!\n\n________________________________________________________\nExecuted in   96.12 millis    fish           external\n   usr time   46.96 millis    0.00 micros   46.96 millis\n   sys time   48.77 millis  543.00 micros   48.23 millis\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fartempyanykh%2Feurollvm25","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fartempyanykh%2Feurollvm25","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fartempyanykh%2Feurollvm25/lists"}