Re: TeX capacity exceeded

[Hans Hagen <j.hagen@xs4all.nl>]

On 5/17/2021 11:43 PM, Thomas A. Schmitz wrote:

> Is texmfcnf.lua still the configuration file I need to look at for this 
> kind of problem? Which variable could I change?
Normally not needed but this is the section for luatex:

["luatex.errorline"]     =    250, -- no need to change
["luatex.halferrorline"] =    125, -- no need to change
["luatex.expanddepth"]   =  10000, -- no need to change
["luatex.hashextra"]     = 100000, -- rarely more is needed
["luatex.nestsize"]      =   1000, -- often an error if more needed
["luatex.maxinopen"]     =    500, -- i use 2000
["luatex.maxprintline"]  =  10000, -- no need to change
["luatex.maxstrings"]    = 500000, -- maybe sometimes
["luatex.paramsize"]     =  25000, -- seldom
["luatex.savesize"]      = 100000, -- often an error if more needed
["luatex.stacksize"]     = 100000, -- often an error if more needed

not, in luametatex we have some more and also more control; this is what 
the next version will support (the above method is how it currently 
goes, max values that use the preset allocations steps)


["luametatex.errorlinesize"]     = { size =      250                 }, 
-- max =       255
["luametatex.halferrorlinesize"] = { size =      250                 }, 
-- max =       255
["luametatex.expandsize"]        = { size =    10000                 }, 
-- max =   1000000
["luametatex.stringsize"]        = { size =   500000, step =  100000 }, 
-- max =   2097151 -- number of strings
["luametatex.poolsize"]          = { size = 10000000, step = 1000000 }, 
-- max = 100000000 -- chars in string
["luametatex.hashsize"]          = { size =   250000, step =  100000 }, 
-- max =   2097151
["luametatex.nodesize"]          = { size = 50000000, step =  500000 }, 
-- max =  50000000
["luametatex.tokensize"]         = { size = 10000000, step =  250000 }, 
-- max =  10000000
["luametatex.buffersize"]        = { size = 10000000, step = 1000000 }, 
-- max = 100000000
["luametatex.inputsize"]         = { size =   100000, step =   10000 }, 
-- max =    100000 -- aka stack
["luametatex.filesize"]          = { size =     2000, step =     200 }, 
-- max =      2000
["luametatex.nestsize"]          = { size =    10000, step =    1000 }, 
-- max =     10000
["luametatex.parametersize"]     = { size =   100000, step =   10000 }, 
-- max =    100000
["luametatex.savesize"]          = { size =   500000, step =   10000 }, 
-- max =    500000
["luametatex.fontsize"]          = { size =      250, step =     250 }, 
-- max =    100000
["luametatex.languagesize"]      = { size =      250, step =     250 }, 
-- max =     10000
["luametatex.marksize"]          = { size =       50, step =      50 }, 
-- max =     10000

One can just define the max if needed because we bump memory stepwise 
(on demand). It depends on the kind of projects you have. One can also 
sey { plus = 10000 } to add more to the set size without bothering about 
existing values. Now, if you watch closely you'll see that most max 
values are high already (initial values cannot be set) but token and 
node memory as well as string related values can be set much larger. 
However, it makes sense to limit. Actually for some scenarios one might 
even want to go lower.

When you compare mkiv and mkxl you'll notice that we use less memory 
anyway (for various reasons / optimizations). The format file is also 
smaller (esp when you take into account that the mkiv one is zip 
compressed and the lmtx one isn't).

But ... your problem was not related to the above.

The next upload will also mention detailed mem usage in the log file. If 
you want to see how your document behaves you can say

\enabletrackers[system.usage]

at the top (is already there for a while).

Hans



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                                           Hans Hagen | PRAGMA ADE
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