How to Evenly Distribute a Go Slice into Multiple Chunks?

Slice Chunking in Go

Problem:

How to evenly distribute a given slice into multiple slices in Go?

Solution:

To chunk a slice evenly, follow these steps:

1. Determine the chunk size by dividing the length of the original slice by the desired number of chunks.
2. Initialize a slice of slices to store the chunked slices.
3. Iterate over the original slice, adding chunks of the defined size to the slice of slices.
4. Adjust the end index of the last chunk to ensure that all elements are included.

Here's a revised version of the code provided in the question:

var divided [][]string

chunkSize := (len(logs) + runtime.NumCPU - 1) / runtime.NumCPU

for i := 0; i < len(logs); i += chunkSize {
    end := i + chunkSize

    if end > len(logs) {
        end = len(logs)
    }

    divided = append(divided, logs[i:end])
}

This updated code creates evenly distributed chunked slices by appending subsets of the original slice to the slice of slices. The chunk size is calculated to ensure that all elements are distributed as evenly as possible.

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