bigstatsr: block_size – R documentation

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block_size

Determine a correct value for the block.size parameter

Description

It determines the value of block.size such that a matrix of doubles of size n x block.size takes less memory than getOption("bigstatsr.block.sizeGB") GigaBytes (default is 1GB).

Usage

block_size(n, ncores = 1)

Arguments

`n`	The number of rows.
`ncores`	The number of cores.

Value

An integer >= 1.

Examples

block_size(1e3)
block_size(1e6)
block_size(1e6, 6)

bigstatsr

Statistical Tools for Filebacked Big Matrices

v1.5.1

GPL-3

Authors

Florian Privé [aut, cre], Michael Blum [ths], Hugues Aschard [ths]

Initial release

2021-04-05