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+% ------------------------ ------------------------ ------------------------
+% 2019-12-17 32bit 64bit 2020-01-10 32bit 64bit 2020-11-30 32bit 64bit
+% ------------------------ ------------------------ ------------------------
+% freebsd 2270k 2662k freebsd 2186k 2558k freebsd 2108k 2436k
+% openbsd6.6 2569k 2824k openbsd6.6 2472k 2722k openbsd6.8 2411k 2782k
+% linux-armhf 2134k linux-armhf 2063k linux-armhf 2138k 2860k
+% linux 2927k 2728k linux 2804k 2613k linux (?) 3314k 2762k
+% linux-musl 2532k 2686k
+% osx 2821k osx 2732k osx 2711k
+% ms mingw 2562k 2555k ms mingw 2481k 2471k ms mingw 2754k 2760k
+% ms intel 2448k
+% ms arm 3894k
+% ms clang 2159k
+% ------------------------ ------------------------ ------------------------
+%
+% performance of mingw and native are getting close (small win for mingw) but
+% clang bins are still slower .. quite inconsistent differences between 32 and
+% 64 bit (not all compilers are the same version)
+
+% \loggingall
+% \tracingonline \zerocount
+% \tracingmacros \plusone
+
+% \enableautoglyphscaling % saves only a few instances ... no gain .. a few pages more
+
+% \enabletexdirective{vspacing.experimental}
+
+% \nopdfcompression
+
+% 20200509 : 258 pages
+%
+% my 2013 i7 laptop with windows : 11.8 sec mingw64
+% raspberry pi 64 bit with ssd : 39.5 sec gcc 9.2
+% idem with native bin : 38.5 sec
+% idem overclocked f=2000/v=6 : 31.5 sec
+%
+% 20200526 : 258 pages
+% mingw all in: 10.9 / rpi 32 bit: 33.1
+
+% 20200610 : 258 pages
+% mingw all in: 10.6
+
+% 20201204 : 260 pages
+% mingw all in: 10.0
+
+% 20201204 : 262 pages
+% mingw all in: 9.9
+
+% 20200720 : 258 pages / all in
+%
+% mingw : 10.6 (sometimes less)
+% rpi 32 : 32.3
+% rpi 64 : 26.0 (overclocked)
+% amd 10 fitlet : 28.2
+
+% But speed can differ a bit per compilation (upto .5 seconds maybe due to how
+% compiled code is organized which might influence caching. Who knows ... (or
+% cares). For instance at 20200407 I measured 10.9 seconds after some new low level
+% metapost magic was added but who knows if that was the reason, because mp
+% processing is already fast. A week later, at 20200415, a by then 254 page file
+% took 10.5 seconds, that is, we were at exactly 24 pages per second but after
+% switching to gcc9 it dropped again. In december 2020, with IPO enabled I crossed
+% the 26 pps barrier and went below 10 seconds but that was also after some further
+% cleanup in \LMTX.
+
+% msvc 1899k (2% slower than mingw)
+% msvc /GL 2297k (similar to mingw)
+% msvc /GL /Ob3 2847k (not faster than /GL)
+% msvc /Ob3 2052k (slower than /Ob2)
+% msvc /Ob1 1763k (slower than /Ob2)
+% clang 2460k (15% slower than mingw)
+
+% Thanks to sebastian.miele@gmail.com for close reading the manual and sending
+% fixes.
+
+% \listcallbackmode0
+
+% 290 pages, 10.8 sec, 292M lua, 99M tex, 158 instances
+% 290 pages, 9.5 sec, 149M lua, 35M tex, 30 instances
+
+\enableexperiments[fonts.compact]
+% \enabledirectives[fonts.injections.method=advance] % tricky ... not all xoffsets are advance robust
+
+\pushoverloadmode \unprotect
+ % test code
+\protect \popoverloadmode
+
+\enabletrackers[system.usage=summary]
+
+\environment luametatex-style
+\environment luametatex-private
+
+\startdocument
+ [manual=LuaMeta\TeX,
+ %status=experimental,
+ version=\cldcontext{status.luatex_verbose}]
+
+\component luametatex-titlepage
+\component luametatex-firstpage
+
+\startfrontmatter
+ \component luametatex-contents
+ \component luametatex-introduction
+\stopfrontmatter
+
+\startbodymatter
+ \component luametatex-preamble
+ \component luametatex-differences
+ \component luametatex-modifications
+ \component luametatex-lua
+ \component luametatex-enhancements
+ \component luametatex-fonts
+ \component luametatex-languages
+ \component luametatex-math
+ \component luametatex-nodes
+ \component luametatex-callbacks
+ \component luametatex-tex
+ \component luametatex-metapost
+ \component luametatex-pdf
+ \component luametatex-libraries
+ \component luametatex-primitives
+\stopbodymatter
+
+\startbackmatter
+ % \component luametatex-rejected % local file
+ \component luametatex-codes
+ \component luametatex-registers
+ \component luametatex-statistics
+\stopbackmatter
+
+\stopdocument
+