{"adoption": {"forks": 280, "observed_at": "2026-08-28T04:03:32.534485+00:00", "stars": 1088}, "canonical_url": "https://ross.abutalabs.com/products/riscv-v-spec", "card": {"archived": true, "artifact_type": "learning-resource", "description": "Working draft of the proposed RISC-V V vector extension", "domain": ["hardware", "documentation", "compilers"], "enriched": true, "function": ["documentation", "programming-language"], "health_score": 10, "homepage": "https://jira.riscv.org/browse/RVG-122", "language": "Assembly", "license": "CC-BY-4.0", "license_family": "other", "maturity": "stable", "member_repos": ["riscvarchive/riscv-v-spec"], "name": "riscvarchive/riscv-v-spec", "platform": ["cross-platform"], "pushed_at": "2024-03-17T15:04:35+00:00", "repo": "riscvarchive/riscv-v-spec", "stars": 1088, "tags": ["risc-v", "vector-extension", "isa-specification", "specification-draft", "assembly"], "topics": [], "urls": [], "use_cases": ["implement the RISC-V vector extension in a simulator", "add RVV instruction support to a compiler toolchain", "learn how RISC-V vector instructions work", "check the ratified vector ISA spec details", "write assembly using RISC-V vector instructions"], "what_it_is": "The working draft specification for the RISC-V V vector extension, written in AsciiDoc. It defines the vector instruction set architecture that toolchains, simulators, and hardware implementations are built against.", "when_to_avoid": ["you need a runnable simulator or toolchain rather than a specification document", "you need a finalized ratified standard with guaranteed stability beyond v1.0"], "when_to_choose": ["you are developing RISC-V hardware, simulators, or toolchains needing the authoritative vector extension spec", "you want to understand or teach the RISC-V V extension ISA"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/riscv-v-spec", "repo": "riscvarchive/riscv-v-spec", "role": "main", "score": 10}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:32.534485+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:49:22.893609+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e09add4d99f74bc8d8ec9a76ffffd2ad6d248a1aa5fd7bde9c3022cafd157f50", "fetched_at": "2026-08-28T04:03:32.534485+00:00", "kind": "readme", "missing": false, "url": "https://github.com/riscvarchive/riscv-v-spec"}, {"content_hash": "be0013a193a06ff71e144f3719a3df2253d05491a62cc5cf25845b9468a0e169", "fetched_at": "2026-08-29T12:51:50.824641+00:00", "kind": "homepage", "missing": false, "url": "https://jira.riscv.org/browse/RVG-122"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["archived"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2959, "days_push": 899, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 10, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}