arrayofarray

README

Appending elements to an array of array

Adding a element to an array is done using append. The array is defined as:

• [][]int which is always the underlying type
• []t
• tt where a method is used

Using a method is the most efficient even if difference can be small.

src>go test -bench=. ./arrayofarray

Results

go version go1.12 windows/amd64

add one cell (inc == 1)

BenchmarkUpdateArray-4          10000000               165 ns/op
BenchmarkUpdateArrayType-4      20000000               130 ns/op
BenchmarkUpdateArrayMethod-4    20000000               113 ns/op

add 10 cells (inc == 10)

BenchmarkUpdateArray-4           1000000              1751 ns/op
BenchmarkUpdateArrayType-4       1000000              1297 ns/op
BenchmarkUpdateArrayMethod-4     1000000              1008 ns/op
PASS