Commit 23c56f3
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Build the model carrying the input values once per run
processInput() calls getWidget() once per property, and every call rebuilt
the whole model: clone it, encode every value of the bag, write every value
onto the clone. With n properties that is n clones, n² encode events and n²
setProperty calls - and in MetaModels one setProperty costs three attribute
conversions, because the self comparison and the following
DifferentValuesException::compare each convert again.
The values are the same for all widgets of one run, so the model is built
once and cached, keyed over the contents of the bag. Callers still get their
own instance: cloneModel() hands out a copy, which is safe because
MetaModels' model deep copies its item on clone, so a listener on the
BuildWidgetEvent cannot pollute the cache.
The semantics are untouched. Every widget still sees the input of all
fields, which is what display conditions and dependent selects are
evaluated against - that was never the problem, doing it per widget was.
Measured on mm_employees::11, 27 widgets, xdebug off, same conditions
before and after:
valueToWidget 1785 -> 221
setProperty 1349 -> 99
widgetToValue 1325 -> 75
encodeValue 1323 -> 73
wall time POST ~20 s -> ~9.5 s
docs/performance-editmask.md records the measurement, why the rebuild is
needed at all, and what is left: the three conversions per setProperty sit
in metamodels/core, the 76 getWidget calls for 27 properties are unexplained,
and a translated model has not been measured yet.
Verified: display conditions 5/5 - the first thing that would break if a
widget stopped seeing the other fields - regression 19/19, toggle 6/6, edit
all 4/4, legends 8/8. phpcq passes; the minor it used to report is gone too,
since the empty catch is now explained rather than covered by a class level
suppression.1 parent 43bcd9d commit 23c56f3
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