在矢量化一些模拟代码的过程中,我遇到了内存问题.我在Windows XP下使用32位R版本2.15.0(通过RStudio版本0.96.122).我的机器有3.46 GB的RAM.
> sessionInfo()
R version 2.15.0 (2012-03-30)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United Kingdom.1252 LC_CTYPE=English_United Kingdom.1252
[3] LC_MONETARY=English_United Kingdom.1252 LC_NUMERIC=C
[5] LC_TIME=English_United Kingdom.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] Matrix_1.0-6 lattice_0.20-6 MASS_7.3-18
loaded via a namespace (and not attached):
[1] grid_2.15.0 tools_2.15.0
以下是问题的最小示例:
> memory.limit(3000)
[1] 3000
> rm(list = ls())
> gc()
used (Mb) gc trigger (Mb) max used (Mb)
Ncells 1069761 28.6 1710298 45.7 1710298 45.7
Vcells …