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/freebsd-10.2-release/usr.bin/vtfontcvt/
H A Dvtfontcvt.cdiff 267035 Wed Jun 04 03:10:03 MDT 2014 emaste vt fontcvt: Use a hash to speed up glyph deduplication

Walking a linked list of all glyphs to look for a duplicate is very slow
for large fonts (e.g., for CJK character sets). In my test the runtime
for a sample 40000 character font went from just over 80 seconds on
average to just over 2 seconds.

Sponsored by: The FreeBSD Foundation

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