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. 2019 Feb 11;20:31. doi: 10.1186/s13059-019-1639-x

Table 3.

Performance of saving and loading databases and their memory and file size

Data set #bits Raw counts Size [MiB] Time [ms]
Memory File Save Load
Baron2016-human 128 - 3.1 2.9 2.3 2.4
+ 10.9 10.7 6.5 3.1
256 - 5.4 5.2 3.7 5.3
+ 13.2 13.0 8.0 3.6
Shekhar2016 128 - 8.2 7.8 5.6 8.3
+ 29.7 29.3 16.3 6.7
256 - 14.6 14.1 9.1 8.3
+ 36.1 35.7 20.7 11.1
Plass2018 128 - 6.7 6.4 4.7 5.0
+ 17.5 17.2 10.4 6.2
256 - 12.0 11.6 8.0 9.6
+ 22.8 22.4 14.9 9.2
TabulaMuris-chromium 128 - 13.8 13.0 8.6 12.5
+ 67.2 66.5 35.3 16.9
256 - 24.9 24.2 13.8 18.0
+ 78.3 77.6 42.4 21.9

Plus and minus signs in the raw counts column denote with or without raw UMI counts, respectively

The memory size includes the region read as a memory-mapped file

Each value is the median of ten measurements