{"id":13649337,"url":"https://github.com/jiegec/fpu-wrappers","last_synced_at":"2026-02-09T16:03:25.857Z","repository":{"id":37212597,"uuid":"401736617","full_name":"jiegec/fpu-wrappers","owner":"jiegec","description":" Wrappers for open source FPU hardware implementations.","archived":false,"fork":false,"pushed_at":"2025-11-27T00:33:13.000Z","size":2424,"stargazers_count":35,"open_issues_count":0,"forks_count":5,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-11-29T14:28:14.891Z","etag":null,"topics":["chisel3","fpu","hdl","spinalhdl"],"latest_commit_sha":null,"homepage":"","language":"Verilog","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/jiegec.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":"2021-08-31T14:37:38.000Z","updated_at":"2025-11-27T00:33:17.000Z","dependencies_parsed_at":"2024-04-10T10:45:09.213Z","dependency_job_id":null,"html_url":"https://github.com/jiegec/fpu-wrappers","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/jiegec/fpu-wrappers","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jiegec%2Ffpu-wrappers","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jiegec%2Ffpu-wrappers/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jiegec%2Ffpu-wrappers/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jiegec%2Ffpu-wrappers/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jiegec","download_url":"https://codeload.github.com/jiegec/fpu-wrappers/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jiegec%2Ffpu-wrappers/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29271860,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-09T13:47:44.167Z","status":"ssl_error","status_checked_at":"2026-02-09T13:47:43.721Z","response_time":56,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"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":["chisel3","fpu","hdl","spinalhdl"],"created_at":"2024-08-02T01:04:57.324Z","updated_at":"2026-02-09T16:03:24.679Z","avatar_url":"https://github.com/jiegec.png","language":"Verilog","funding_links":[],"categories":["Verilog","Math"],"sub_categories":[],"readme":"# fpu-wrappers\n\nThis repo intends to create wrappers for open source FPU hardware implementations currently including:\n\n1. [berkeley-hardfloat](https://github.com/ucb-bar/berkeley-hardfloat)\n2. [fpnew](https://github.com/pulp-platform/fpnew)\n3. [flopoco](http://flopoco.gforge.inria.fr/)\n4. [CNRV-FPU](https://github.com/cnrv/CNRV-FPU)\n5. [opencores-fpu](https://github.com/jiegec/opencores-fpu)\n6. [fudian](https://github.com/OpenXiangShan/fudian)\n7. [vfloat](https://github.com/jiegec/vfloat)\n\n| op     | berkeley-hardfloat | fpnew | flopoco | CNRV-FPU | opencores-fpu | fudian | vfloat |\n| ------ | ------------------ | ----- | ------- | -------- | ------------- | ------ | ------ |\n| add    | Y                  | Y     | Y       | Y        | Y             | Y      | Y      |\n| mul    | Y                  | Y     | Y       | Y        | Y             | Y      | Y      |\n| fma    | Y                  | Y     | Y       | Y        |               | Y      | Y      |\n| cmp    | Y                  | Y     | Y       |          |               | Y      |        |\n| div    | Y                  | Y     | Y       | Y        | Y             | Y      | Y      |\n| sqrt   | Y                  | Y     | Y       | Y        |               | Y      | Y      |\n| fp2int | Y                  | Y     | Y       | Y        | Y             | Y      | Y      |\n| int2fp | Y                  | Y     | Y       | Y        | Y             | Y      | Y      |\n| fp2fp  | Y                  | Y     | Y       |          |               | Y      |        |\n| pow    |                    |       | Y       |          |               |        |        |\n| log    |                    |       | Y       |          |               |        |        |\n| exp    |                    |       | Y       |          |               |        |        |\n| custom | Y                  |       | Y       |          |               |        |        |\n\n`custom` means custom floating point format.\n\nAnd make performance comparison.\n\nModule naming convection:\n\n1. Type 1: Floating point format + operator(FAdd/FMA/FExp)\n2. Type 2: Floating point format `To` Floating point format\n3. Type 3: Floating point format + FPU(many operations)\n\nPossible floating point formats:\n\n1. HF: berkeley-hardfloat +1 bits\n2. IEEE: IEEE 754\n3. FPC: flopoco +2 bits\n\nIEEE754 FMA:\n\n1. Area: fpnew = flopoco \u003c hardfloat \u003c fudian\n2. Frequency: hardfloat = flopoco \u003e fpnew \u003e fudian\n3. Power: fpnew \u003c hardfloat \u003c flopoco \u003c fudian","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjiegec%2Ffpu-wrappers","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjiegec%2Ffpu-wrappers","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjiegec%2Ffpu-wrappers/lists"}