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a benchmark suite for Emacs

From: Gemini Lasswell
Subject: a benchmark suite for Emacs
Date: Sun, 25 Nov 2018 17:35:12 -0800
User-agent: mu4e 1.0; emacs 26.1.90

Hello all,

I've just pushed to scratch/benchmarks my WIP benchmarking suite for
Emacs and Emacs packages.

It's a long ways from done.  Some major missing parts are:

- Better/more complete user interface
- Documentation
- Statistical analysis (report on noisiness of data)
- Tramp integration/run benchmarks remotely
- Use VC rather than calling git directly
- More benchmark tasks
- Tests

But, given:

- a local clone of a git repo
- a program/shell script that produces an executable given that
  git repo and a commit
- a directory in the git repo with Lisp files containing tasks to be
- a range of commits (as for git-rev-list(1))
- a number of commits to select from the range

it can use the shell script to build older versions of Emacs from
commits selected from the commit range given, run the tasks in those
older Emacs, record timing data, errors, process output and messages,
and then produce a report in the form of an org-mode file ready for

The benchmark data is stored in a directory hierarchy organized so that
benchmark data created on separate machines can be easily git-merged

There's no documentation yet, but if any of you have time and interest
in running benchmarks, let me know and I'll write up instructions.

For those of you who generously spend your time reviewing code, the new
benchmark directory, thread.el and erb-task.el are ready for your
attention, but erb.el is not.

I also welcome ideas for more benchmarks, or anyone who wants to
write some.

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