non-allocating
There are 3 repositories under non-allocating topic.
JuliaDiff/FiniteDiff.jl
Fast non-allocating calculations of gradients, Jacobians, and Hessians with sparsity support
matthias314/SmallCollections.jl
A Julia package providing variable-length set and vector types that don't allocate
KBluePurple/NonAllocFlagGenerator
Automatic HasFlagNonAlloc method generator for C# & Unity