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PeteHaitch/rory_test.R

Last active August 11, 2017 14:28
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rory_test.R
library(profmem)
library(Matrix)
dgt <- readMM("~/sparse.mtx.gz")
dgc <- as(dgt, "dgCMatrix")
threshold <- 5
# Total memory allocation (bytes)
total(profmem(Matrix::colSums(dgt > threshold)))
#> [1] 935422632
total(profmem(Matrix::colSums(dgc > threshold)))
#> [1] 787165392
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