phobos src level stats
bcarneal at gmail.com
Tue Sep 22 21:01:17 UTC 2020
On Tuesday, 22 September 2020 at 20:53:17 UTC, Bruce Carneal
> Below you'll find category line percentages and total line
> counts for the 20 biggest files in phobos.
> The "line" counts following the file names are of the
> dscanner/libdparse variety rather than the 'wc' variety.
> On a 2.4GhZ zen1, libdparse managed all of phobos in a little
> under 1.5 seconds. For comparison note that all files were
> read in a little under 10 milliseconds (from file cache).
> I really enjoyed my first interaction with libdparse but I'm
> guessing that the maintainers there strongly favor
> clarity/correctness over speed. One other note, compiling with
> dub's --combined option cut the execution time of the
> ldc2/release exe by about 2X.
The empty line numbers seem a little high to me. I may have a
bug in the code for that:
ulong countEmptyLines(string rawText) @nogc nothrow pure @safe
lineLoop: foreach (line; lineSplitter(rawText))
foreach_reverse (ch; line)
if (ch != ' ' && ch != '\t')
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