diff options
Diffstat (limited to 'tex/context/base/l-lpeg.lua')
| -rw-r--r-- | tex/context/base/l-lpeg.lua | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/tex/context/base/l-lpeg.lua b/tex/context/base/l-lpeg.lua index 982d8f98d..6d3acd753 100644 --- a/tex/context/base/l-lpeg.lua +++ b/tex/context/base/l-lpeg.lua @@ -6,6 +6,10 @@ if not modules then modules = { } end modules ['l-lpeg'] = { license = "see context related readme files" } +-- lpeg 12 vs lpeg 10: slower compilation, similar parsing speed (i need to check +-- if i can use new features like capture / 2 and .B (at first sight the xml +-- parser is some 5% slower) + -- a new lpeg fails on a #(1-P(":")) test and really needs a + P(-1) -- move utf -> l-unicode @@ -15,14 +19,15 @@ lpeg = require("lpeg") -- The latest lpeg doesn't have print any more, and even the new ones are not -- available by default (only when debug mode is enabled), which is a pitty as --- as it helps bailign down bottlenecks. Performance seems comparable, although +-- as it helps nailign down bottlenecks. Performance seems comparable: some 10% +-- slower pattern compilation, same parsing speed, although, -- -- local p = lpeg.C(lpeg.P(1)^0 * lpeg.P(-1)) --- local a = string.rep("123",10) +-- local a = string.rep("123",100) -- lpeg.match(p,a) -- --- is nearly 20% slower and also still suboptimal (i.e. a match that runs from --- begin to end, one of the cases where string matchers win). +-- seems slower and is also still suboptimal (i.e. a match that runs from begin +-- to end, one of the cases where string matchers win). if not lpeg.print then function lpeg.print(...) print(lpeg.pcode(...)) end end |