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comparison src/LazyTensors/lazy_array.jl @ 1854:654a2b7e6824 tooling/benchmarks

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author Jonatan Werpers <jonatan@werpers.com>
date Sat, 11 Jan 2025 10:19:47 +0100
parents dfb43fdac9fc
children
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1378:2b5480e2d4bf 1854:654a2b7e6824
1 """ 1 """
2 LazyArray{T,D} <: AbstractArray{T,D} 2 LazyArray{T,D} <: AbstractArray{T,D}
3 3
4 Array which is calcualted lazily when indexing. 4 Array which is calculated lazily when indexing.
5 5
6 A subtype of `LazyArray` will use lazy version of `+`, `-`, `*`, `/`. 6 A subtype of `LazyArray` will use lazy version of `+`, `-`, `*`, `/`.
7 """ 7 """
8 abstract type LazyArray{T,D} <: AbstractArray{T,D} end 8 abstract type LazyArray{T,D} <: AbstractArray{T,D} end
9 export LazyArray
10 9
11 struct LazyConstantArray{T,D} <: LazyArray{T,D} 10 struct LazyConstantArray{T,D} <: LazyArray{T,D}
12 val::T 11 val::T
13 size::NTuple{D,Int} 12 size::NTuple{D,Int}
14 end 13 end
23 """ 22 """
24 struct LazyFunctionArray{F<:Function,T, D} <: LazyArray{T,D} 23 struct LazyFunctionArray{F<:Function,T, D} <: LazyArray{T,D}
25 f::F 24 f::F
26 size::NTuple{D,Int} 25 size::NTuple{D,Int}
27 end 26 end
28 export LazyFunctionArray
29 27
30 function LazyFunctionArray(f::F, size::NTuple{D,Int}) where {F<:Function,D} 28 function LazyFunctionArray(f::F, size::NTuple{D,Int}) where {F<:Function,D}
31 T = typeof(f(ones(Int, D)...)) 29 T = typeof(f(ones(Int, D)...))
32 return LazyFunctionArray{F,T,D}(f,size) 30 return LazyFunctionArray{F,T,D}(f,size)
33 end 31 end
40 end 38 end
41 39
42 40
43 """ 41 """
44 LazyElementwiseOperation{T,D,Op} <: LazyArray{T,D} 42 LazyElementwiseOperation{T,D,Op} <: LazyArray{T,D}
45 Struct allowing for lazy evaluation of elementwise operations on `AbstractArray`s. 43 Struct allowing for lazy evaluation of element-wise operations on `AbstractArray`s.
46 44
47 A `LazyElementwiseOperation` contains two arrays together with an operation. 45 A `LazyElementwiseOperation` contains two arrays together with an operation.
48 The operations are carried out when the `LazyElementwiseOperation` is indexed. 46 The operations are carried out when the `LazyElementwiseOperation` is indexed.
49 """ 47 """
50 struct LazyElementwiseOperation{T,D,Op,T1<:AbstractArray{T,D},T2<:AbstractArray{T,D}} <: LazyArray{T,D} 48 struct LazyElementwiseOperation{T,D,Op,T1<:AbstractArray{T,D},T2<:AbstractArray{T,D}} <: LazyArray{T,D}
108 Base.@propagate_inbounds Base.:+(a::LazyArray{T,D}, b::T) where {T,D} = a +̃ b 106 Base.@propagate_inbounds Base.:+(a::LazyArray{T,D}, b::T) where {T,D} = a +̃ b
109 Base.@propagate_inbounds Base.:-(a::LazyArray{T,D}, b::T) where {T,D} = a -̃ b 107 Base.@propagate_inbounds Base.:-(a::LazyArray{T,D}, b::T) where {T,D} = a -̃ b
110 108
111 Base.@propagate_inbounds Base.:+(a::T, b::LazyArray{T,D}) where {T,D} = a +̃ b 109 Base.@propagate_inbounds Base.:+(a::T, b::LazyArray{T,D}) where {T,D} = a +̃ b
112 Base.@propagate_inbounds Base.:-(a::T, b::LazyArray{T,D}) where {T,D} = a -̃ b 110 Base.@propagate_inbounds Base.:-(a::T, b::LazyArray{T,D}) where {T,D} = a -̃ b
113
114 export +̃, -̃, *̃, /̃