{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/27398","repository_url":"https://api.github.com/repos/JuliaLang/julia","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/27398/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/27398/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/27398/events","html_url":"https://github.com/JuliaLang/julia/pull/27398","id":328800340,"node_id":"MDExOlB1bGxSZXF1ZXN0MTkyMjMwNzk5","number":27398,"title":"RFC: Bump tuple inference length cutoff from 16 to 32","user":{"login":"andyferris","id":2974526,"node_id":"MDQ6VXNlcjI5NzQ1MjY=","avatar_url":"https://avatars3.githubusercontent.com/u/2974526?v=4","gravatar_id":"","url":"https://api.github.com/users/andyferris","html_url":"https://github.com/andyferris","followers_url":"https://api.github.com/users/andyferris/followers","following_url":"https://api.github.com/users/andyferris/following{/other_user}","gists_url":"https://api.github.com/users/andyferris/gists{/gist_id}","starred_url":"https://api.github.com/users/andyferris/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andyferris/subscriptions","organizations_url":"https://api.github.com/users/andyferris/orgs","repos_url":"https://api.github.com/users/andyferris/repos","events_url":"https://api.github.com/users/andyferris/events{/privacy}","received_events_url":"https://api.github.com/users/andyferris/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":18,"created_at":"2018-06-03T05:16:34Z","updated_at":"2018-06-26T12:29:38Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/JuliaLang/julia/pulls/27398","html_url":"https://github.com/JuliaLang/julia/pull/27398","diff_url":"https://github.com/JuliaLang/julia/pull/27398.diff","patch_url":"https://github.com/JuliaLang/julia/pull/27398.patch"},"body":" * Bumps `tupletype_len` to `31`\r\n * Bumps `tuple_splat` to `32`\r\n * ~~Similarly for the types `Any16` -> `Any32` and `All16` -> `All32`.~~\r\n\r\nFor context, I feel this would be useful for working with heterogenously typed data as tuples and named tuples. In particular, for v0.7/v1.0, simple containers such as `Vector{NamedTuple{...}}` could be versatile, performant containers for tables and data (similarly for named tuples of arrays, etc), and at times the existing limits (where practically speaking its `14` elements being the biggest size that gives \"full run-time speed\") felt a bit limiting (e.g. a table with 15-30 columns doesn't seem particularly unreasonable, though for very large numbers I admit that switching to a more dynamic data structure might be preferable).\r\n\r\nIncidentally, this might help with things like arrays with 15+ dimensions and so-on (#20163) (cc @Jutho). Having `30` dimensions as the maximum with fully-inferred code seems a somewhat reasonable cutoff number to me, giving ~1 billion elements for a 2x2x2x... sized array, as in #20163.\r\n\r\nOf course, I'm more than a bit ignorant of what other impacts this may have internally for the compiler (compile time speed will obviously be slower in some situations) but I thought this might be worthwhile floating for inclusion in v0.7."},"comment":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/comments/400289787","html_url":"https://github.com/JuliaLang/julia/pull/27398#issuecomment-400289787","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/27398","id":400289787,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMDI4OTc4Nw==","user":{"login":"andyferris","id":2974526,"node_id":"MDQ6VXNlcjI5NzQ1MjY=","avatar_url":"https://avatars3.githubusercontent.com/u/2974526?v=4","gravatar_id":"","url":"https://api.github.com/users/andyferris","html_url":"https://github.com/andyferris","followers_url":"https://api.github.com/users/andyferris/followers","following_url":"https://api.github.com/users/andyferris/following{/other_user}","gists_url":"https://api.github.com/users/andyferris/gists{/gist_id}","starred_url":"https://api.github.com/users/andyferris/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andyferris/subscriptions","organizations_url":"https://api.github.com/users/andyferris/orgs","repos_url":"https://api.github.com/users/andyferris/repos","events_url":"https://api.github.com/users/andyferris/events{/privacy}","received_events_url":"https://api.github.com/users/andyferris/received_events","type":"User","site_admin":false},"created_at":"2018-06-26T12:29:38Z","updated_at":"2018-06-26T12:29:38Z","author_association":"CONTRIBUTOR","body":"@nanosoldier `runbenchmarks(ALL, vs=\":master\")`"}}
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