Comparison of dict vs array vector performance in Roblox Lua

DictVsArrayVector.bench.lua

local ArrayVector1 = {1, 2, 3, 4}
local ArrayVector2 = {1, 2, 3, 4}
local ArrayVector3 = {1, 2, 3, 4}
local ArrayVector4 = {1, 2, 3, 4}
local DictVector1 = {x = 1, y = 2, z = 3, w = 4}
local DictVector2 = {x = 1, y = 2, z = 3, w = 4}
local DictVector3 = {x = 1, y = 2, z = 3, w = 4}
local DictVector4 = {x = 1, y = 2, z = 3, w = 4}

return {

	ParameterGenerator = function()
		return
	end;

	Functions = {
		["ArrayVector"] = function(Profiler)
			local arrayVector1 = ArrayVector1
			local arrayVector2 = ArrayVector2
			local arrayVector3 = ArrayVector3
			local arrayVector4 = ArrayVector4
			for i = 1, 10000 do
				local a = arrayVector1[1] + arrayVector1[2] + arrayVector1[3] + arrayVector1[4]
				local b = arrayVector2[1] + arrayVector2[2] + arrayVector2[3] + arrayVector2[4]
				local c = arrayVector3[1] + arrayVector3[2] + arrayVector3[3] + arrayVector3[4]
				local d = arrayVector4[1] + arrayVector4[2] + arrayVector4[3] + arrayVector4[4]
			end
		end;

		["DictVector"] = function(Profiler)
			local dictVector1 = DictVector1
			local dictVector2 = DictVector2
			local dictVector3 = DictVector3
			local dictVector4 = DictVector4
			for i = 1, 10000 do
				local a = dictVector1.x + dictVector1.y + dictVector1.z + dictVector1.w
				local b = dictVector2.x + dictVector2.y + dictVector2.z + dictVector2.w
				local c = dictVector3.x + dictVector3.y + dictVector3.z + dictVector3.w
				local d = dictVector4.x + dictVector4.y + dictVector4.z + dictVector4.w
			end
		end;
		
		["ArrayVectorTransposed"] = function(Profiler)
			local arrayVector1 = ArrayVector1
			local arrayVector2 = ArrayVector2
			local arrayVector3 = ArrayVector3
			local arrayVector4 = ArrayVector4
			for i = 1, 10000 do
				local a = arrayVector1[1] + arrayVector2[1] + arrayVector3[1] + arrayVector4[1]
				local b = arrayVector1[2] + arrayVector2[2] + arrayVector3[2] + arrayVector4[2]
				local c = arrayVector1[3] + arrayVector2[3] + arrayVector3[3] + arrayVector4[3]
				local d = arrayVector1[4] + arrayVector2[4] + arrayVector3[4] + arrayVector4[4]
			end
		end;

		["DictVectorTransposed"] = function(Profiler)
			local dictVector1 = DictVector1
			local dictVector2 = DictVector2
			local dictVector3 = DictVector3
			local dictVector4 = DictVector4
			for i = 1, 10000 do
				local a = dictVector1.x + dictVector2.x + dictVector3.x + dictVector4.x
				local b = dictVector1.y + dictVector2.y + dictVector3.y + dictVector4.y
				local c = dictVector1.z + dictVector2.z + dictVector3.z + dictVector4.z
				local d = dictVector1.w + dictVector2.w + dictVector3.w + dictVector4.w
			end
		end;
	};

}