Christopher Haster 55b3c538d5 Added ./script/summary.py ...

A full summary of static measurements (code size, stack usage, etc) can now
be found with:

    make summary

This is done through the combination of a new ./scripts/summary.py
script and the ability of existing scripts to merge into existing csv
files, allowing multiple results to be merged either in a pipeline, or
in parallel with a single ./script/summary.py call.

The ./scripts/summary.py script can also be used to quickly compare
different builds or configurations. This is a proper implementation
of a similar but hacky shell script that has already been very useful
for making optimization decisions:

    $ ./scripts/structs.py new.csv -d old.csv --summary
    name (2 added, 0 removed)               code             stack            structs
    TOTAL                                  28648 (-2.7%)      2448               1012

Also some other small tweaks to scripts:

- Removed state saving diff rules. This isn't the most useful way to
  handle comparing changes.

- Added short flags for --summary (-Y) and --files (-F), since these
  are quite often used.

2022-03-20 03:28:26 -05:00

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