24 Performance tuning

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On most machines (most here means machines with 8 Mb RAM or more and a clock speed of 20 MHz or more), the speed of the floppy drive will be the limiting factor for the speed of tbackup.

Tbackup usually has the next part of a compressed archive ready before the writing of the current part is finished, except maybe when working on a directory containing a lot of small files.

On slower machines however, the time it takes to make a part may be (much) longer than than the time needed to write it.

If you find that part creation is too slow on your machine, you can speed up the compression process by reconfiguring tbackup. Of course, if tbackup spends less CPU time compressing it will produce larger archives, so there is a tradeoff to be made here.

First, here are some general comments about performance:

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