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lwaldron/scMultiome.R

Created June 15, 2021 12:16
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Object serialization and sizes of SingleCellMultiModal::scMultiome dataset
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scMultiome.R
library(SingleCellMultiModal)
library(MultiAssayExperiment)
suppressMessages(scmm <- scMultiome(dry.run = FALSE))
format(object.size(scmm), units="Mb") #31Mb in memory
saveHDF5MultiAssayExperiment(scmm)
dir("h5_mae", full.names=TRUE) |> file.info() # ~193MB on disk
suppressMessages(scmm_sparse <- scMultiome(format = "MTX", dry.run = FALSE))
format(object.size(scmm_sparse), units="Mb") #1078Mb in memory
save(scmm_sparse, file = "scmm_sparse.rda")
file.info("scmm_sparse.rda") #1062Mb on disk
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