General Usage

Performance Any questions about how to achieve top performance in Julia? Or do you have a specific small piece of code that you want to make as fast as possible?

Topic	Replies	Views	Activity
About the General Usage category General Usage	1	4305	November 16, 2016
How to implement promotion for functions like `collect` and `map`? General Usage question	4	106	January 7, 2026
How to make a macro for optional struct fields and function parameters? General Usage	3	24	January 7, 2026
In-place mul! much slower than * for real-complex matrix multiplication Performance	0	31	January 7, 2026
Is it possible to apply rules on Differentials in Symbolics.jl? General Usage symbolics	0	16	January 7, 2026
Creating Packages tutorial: Precompile error General Usage	0	25	January 7, 2026
Why is JuliaC faster than PackageCompiler? General Usage question , package-compiler , juliac	4	402	January 7, 2026
"i in 3" is valid and continues to cost me some debug time :( General Usage ide	17	455	January 7, 2026
Toml sources path is OS dependant General Usage pkg , toml	1	74	January 7, 2026
Plot every columns of a DataFrame General Usage dataframes , plots	3	124	January 7, 2026
NetworkDynamics.jl with Neural Networks General Usage question , package	2	75	January 6, 2026
SunCalc returning times for wrong day General Usage	3	181	January 6, 2026
Improve performance of this index creation and accessing code Performance indexing , rounding	62	1443	January 5, 2026
Broadcast StepRange General Usage	3	126	January 5, 2026
`logsumexp` using Accessors? General Usage	6	221	January 4, 2026
Julia in docker could not find packages in `$JULIA_LOAD_PATH` General Usage package	2	46	January 4, 2026
Parsing one or more networks in ConfParser General Usage configuration	1	36	January 4, 2026
Reflections on Developer Experience After Building a Large Julia Codebase General Usage	29	1868	January 4, 2026
Adopt the SciML Style Guide for Julia Base and Standard Library? General Usage documentation , sciml , style	10	522	January 3, 2026
The is "Expando objects" in Julia? General Usage	5	840	January 3, 2026
Should `esc` work for the macro name of a `macrocall` expression? General Usage	4	126	January 3, 2026
Numerical sensitivity of eigvecs for `≈` identical (unitful) matrices? General Usage linearalgebra , unitful , eigenvectors , accuracy	3	91	January 3, 2026
Visualising datasets on static webpage with DOI General Usage	2	91	January 2, 2026
How to structure a julia package which should also contain a REST api? General Usage question , webapps , oxygenjl	3	74	January 2, 2026
Speeding up trig-heavy code Performance performance , trigonometry , nerdsnipe	26	1576	January 2, 2026
Issues Precompiling GLMakie General Usage nixos	2	90	January 1, 2026
Moshi.jl and matching a dictionary as a pattern General Usage question	4	268	January 1, 2026
JETLS warning `md` is not concretized General Usage question , package , jetls	2	121	January 1, 2026
Passing all functions on object A to object B General Usage question , type , struct	9	366	December 31, 2025
Stdio tee (copy without redirection) General Usage io	6	167	December 31, 2025