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	4226	November 16, 2016
[Guide] Using sum types to define dynamic C APIs for Julia 1.12 `--trim` General Usage trim , trimming , static-compilation	18	354	September 6, 2025
Type stable Base.return_types - is it possible? General Usage	21	509	September 6, 2025
Refactoring support for inlining variables? General Usage vscode	1	56	September 6, 2025
Change struct dataframe value correct way General Usage question , dataframes , struct	2	48	September 5, 2025
How to restrict a matrix to be positive definite General Usage question , math	18	551	September 5, 2025
Julia_setup() not working with R 4.5.1 and Julia 1.11.6 General Usage	1	64	September 5, 2025
Strange behaviour of addprocs on Julia 1.12-rc1 General Usage question , distributed	2	176	September 5, 2025
Is this generated function for struct2tuple safe to use? General Usage runtimegeneratedfunc , generated	6	159	September 4, 2025
Bad interaction between IJulia and PythonCall (CondaPkg)? General Usage question	2	81	September 4, 2025
Metaprogramming \| String to Symbolics Num; eval(Meta.parse(. . .)) General Usage question , symbolics , sympy	3	102	September 4, 2025
Limit number of threads in julia -t auto General Usage question , multithreading	6	171	September 4, 2025
Test.jl seems to have problems catching ArgParse.jl's exceptions General Usage question , package , testing , argument , testjl-unittesting	6	108	September 4, 2025
Mystery of invalidations in V>1.10. Even in precompiled code General Usage regression , method-invalidation , ttfp , ttfx	9	213	September 4, 2025
Julia GPU FSI: Updating p0, v0, a0, t0 Each Step Without Non-isbits (Core.Box) Error General Usage question	0	33	September 4, 2025
New LLVM error introduced in Enzyme v0.13.69 General Usage enzyme	3	137	September 3, 2025
Would it be possible to write LLVM in Julia? General Usage	6	765	September 3, 2025
JULIA_MAX_NUM_PRECOMPILE_FILES and vscode General Usage vscode	3	64	September 3, 2025
A question on dispatch on type parameter being UnionAll General Usage dispatch	3	58	September 3, 2025
Why does `Union{Int,...}` in a `Vector` not cause allocations but `Union{Float64,...}` does? Performance memory-allocation	8	133	September 3, 2025
Convert a PythonCall df to Julia df, incomplete conversion General Usage dataframes , pythoncall	6	94	September 3, 2025
Iterate on calculated iterable General Usage question , iterators	6	201	September 2, 2025
The strangeness (or not) of * as string concatenation General Usage	73	903	September 2, 2025
Calling Threads.@threads in a macro definition General Usage question	2	64	September 2, 2025
Using Meta/Facebook Prophet with Conda/PyCall General Usage pycall , conda	9	133	September 2, 2025
Can't build PythonCall General Usage pythoncall	7	62	September 2, 2025
Task local storage and scoped values: What they are used for General Usage	1	129	September 2, 2025
Warp, REPL, and diacritics General Usage repl	9	191	September 2, 2025
Can't run julia from windows terminal (Julia 1.8.2 / Windows 10) General Usage	6	1262	September 2, 2025
Stack overflow when calling dynamic library requiring executable tack in the REPL General Usage ccall , repl , stackoverflow	0	40	September 1, 2025