{"action":"opened","issue":{"url":"https://api.github.com/repos/JuliaDiff/TaylorSeries.jl/issues/29","labels_url":"https://api.github.com/repos/JuliaDiff/TaylorSeries.jl/issues/29/labels{/name}","comments_url":"https://api.github.com/repos/JuliaDiff/TaylorSeries.jl/issues/29/comments","events_url":"https://api.github.com/repos/JuliaDiff/TaylorSeries.jl/issues/29/events","html_url":"https://github.com/JuliaDiff/TaylorSeries.jl/issues/29","id":98587851,"number":29,"title":"Possible speed up: don't create HomogeneousPolynomials","user":{"login":"dpsanders","id":191822,"avatar_url":"https://avatars.githubusercontent.com/u/191822?v=3","gravatar_id":"","url":"https://api.github.com/users/dpsanders","html_url":"https://github.com/dpsanders","followers_url":"https://api.github.com/users/dpsanders/followers","following_url":"https://api.github.com/users/dpsanders/following{/other_user}","gists_url":"https://api.github.com/users/dpsanders/gists{/gist_id}","starred_url":"https://api.github.com/users/dpsanders/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dpsanders/subscriptions","organizations_url":"https://api.github.com/users/dpsanders/orgs","repos_url":"https://api.github.com/users/dpsanders/repos","events_url":"https://api.github.com/users/dpsanders/events{/privacy}","received_events_url":"https://api.github.com/users/dpsanders/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-02T06:07:56Z","updated_at":"2015-08-02T06:07:56Z","closed_at":null,"body":"Part of the current slowness is due to creating lots of `HomogeneousPolynomial` objects, namely each time a multiplication occurs.\r\n\r\nIt should be faster to go back to the original idea of having `TaylorSeries` be a single block of coefficients, but still treat them as blocks belonging to individual homogeneous polynomials, and not create new arrays of coefficients, but just create a single new TaylorSeries object, and write the calculated coefficients straight into that object."}}