Performance

Topic	Replies	Views	Activity
StructArrays creating a lot of allocations compared to arrays memory-allocation , data_structures , arrays , structarrays	2	745	February 1, 2021
Is it worth it to check if a collection is empty before iterating?	5	613	February 1, 2021
Splitting Int8s? question	12	671	January 31, 2021
Rebinding local variable inside function and type stability: does it matter? code_warntype , type-stability	8	1011	January 30, 2021
For-loop in function is faster than global scope? loops , scope	3	480	January 30, 2021
Compiling specialized functions for large set of user-passed options question , package , optimization	4	611	January 30, 2021
Invalidating sysimages? package-compiler , sysimage	7	661	January 29, 2021
Overloading `Base.getproperty` performance question , performance	2	616	January 29, 2021
When can a single-call optimization be used? question	3	361	January 28, 2021
Filling non-contiguous slices of an array with the real and imaginary part of another	3	309	January 27, 2021
Does eigen( ) get stuck in processing of the results? linearalgebra	10	574	January 27, 2021
Creating a matrix as Symmetric causes excessive allocations in multithreaded loop	2	400	January 27, 2021
Sum(log.(p * C)) is 2 to 4 times slower than in NumPy python , matrices	19	1345	January 26, 2021
Performance issue with QRCompactWYQ performance , linearalgebra , qr	1	443	January 26, 2021
Hashing for big structs is slow - any alternative? hash	12	1276	January 25, 2021
How to avoid ForwardDiff.jl generating a second-order derivative that wastes flops by eventually multiplying by zero llvm , differentiation , forwarddiff	10	1106	January 25, 2021
Very slow loop loops	33	2301	January 24, 2021
Why is broadcast faster than the dot syntax? (Performance differences between @., ., broadcast and broadcast!) broadcast , syntax , broadcasting	5	1325	January 23, 2021
Is varinfo() designed to not report size of an array of sparse matrices? memory-allocation , sparse	2	348	January 22, 2021
Julia and C or just standalone C++ question	6	787	January 22, 2021
I cannot get close to full speed up in parallel parallel	4	575	January 22, 2021
Help with increasing performance of specific function question , performance	8	429	January 21, 2021
Iteration/getindex performance of AbstractArray wrapper-types	2	466	January 21, 2021
Why does my program's performance vary so much from run to run? Can it be fixed? question , memory-allocation , optimization	11	1551	January 20, 2021
Solving ode takes too long compared to python diffeq	7	1730	January 21, 2021
Looking for code to solve (surely common) 'embarrassing parallelism' multithreading use-case parallel , multithreading	16	1579	January 20, 2021
Meta-programming an if-else statement of user-defined length question , package	17	1934	January 19, 2021
Low rank SVD question , linearalgebra	3	1517	January 18, 2021
JSON list of lists to Julia matrix, preferably fast and with low memory overhead	5	2756	January 18, 2021
Associating arguments with partial functions to simplify nesting gpu , argument , function	12	1167	January 18, 2021