Hi Per, On May 16, 12:13 pm, Per Melin <per.me...@REDACTED> wrote: > But with 20 large (~20 MB) messages both take about the same time > (~45s). Both use over 1 GB of memory in the process. Not good. > ...how much physical RAM does this laptop have? i.e. is the OS paging out the memory? regs, Steve