Morphic slowness (was Re: Does *anyone* use MVC?)Tim Rowledge tim at sumeru.stanford.eduThu Aug 1 22:51:57 UTC 2002
"Andreas Raab" <Andreas.Raab at gmx.de> is claimed by the authorities to have written: > Tim, > > > > What performance problems are you seeing? > > General tardiness in a non-descript way. > [...] > > I suppose we really need some good meaningful test scenarios > > that can be automated and profiled to really try to sort this out. > > Well, then let's get started. You say that opening menus hurts?! So how > about (from a workspace): Hokay, on my Acorn this resuts in:- - 2829 tallies, 66170 msec. **Tree** 75.3% {49826ms} PasteUpMorph>>doOneCycleNow |75.3% {49826ms} WorldState>>doOneCycleNowFor: | 71.7% {47444ms} WorldState>>displayWorldSafely: | |71.5% {47312ms} PasteUpMorph>>displayWorld | | 71.4% {47245ms} PasteUpMorph>>privateOuterDisplayWorld | | 71.4% {47245ms} WorldState>>displayWorld:submorphs: | | 61.7% {40827ms} WorldState>>drawWorld:submorphs:invalidAreasOn: | | |59.2% {39173ms} FormCanvas(Canvas)>>fullDrawMorph: | | | 59.2% {39173ms} FormCanvas(Canvas)>>fullDraw: | | | 59.2% {39173ms} SystemWindow(Morph)>>fullDrawOn: | | | 54.7% {36195ms} SystemWindow(Morph)>>drawSubmorphsOn: | | | |54.4% {35996ms} FormCanvas(Canvas)>>fullDrawMorph: | | | | 54.3% {35930ms} FormCanvas(Canvas)>>fullDraw: | | | | 54.3% {35930ms} AlignmentMorph(Morph)>>fullDrawOn: | | | | 40.1% {26534ms} AlignmentMorph(Morph)>>drawSubmorphsOn: | | | | |39.8% {26336ms} FormCanvas(Canvas)>>fullDrawMorph: | | | | | 39.7% {26269ms} FormCanvas(Canvas)>>fullDraw: [39.5% {26137ms} RectangleMorph(Morph)>>fullDrawOn: [ 11.0% {7279ms} FormCanvas(Canvas)>>roundCornersOf:during: [ |11.0% {7279ms} FormCanvas>>roundCornersOf:in:during: [ | 10.5% {6948ms} CornerRounder class>>roundCornersOf:on:i...orderWidth:corners: [ | 7.4% {4897ms} CornerRounder>>tweakCornersOf:on:in:borderWidth:corners: [ | |2.2% {1456ms} Form(DisplayObject)>>displayOn:at:rule: [ | 3.1% {2051ms} CornerRounder>>saveBitsUnderCornersOf:on:in:corners: [ 10.8% {7146ms} IconicButton(Morph)>>drawSubmorphsOn: [ |10.5% {6948ms} FormCanvas(Canvas)>>fullDrawMorph: [ | 10.4% {6882ms} FormCanvas(Canvas)>>fullDraw: [ | 10.3% {6816ms} SketchMorph(Morph)>>fullDrawOn: [ | 3.1% {2051ms} TransformMorph>>drawSubmorphsOn: [ | |3.0% {1985ms} FormCanvas(Canvas)>>fullDrawMorph: [ | | 3.0% {1985ms} FormCanvas(Canvas)>>fullDraw: [ | | 3.0% {1985ms} TextMorphForEditView(Morph)>>fullDrawOn: [ | | 2.7% {1787ms} FormCanvas(Canvas)>>drawMorph: [ | | 2.7% {1787ms} FormCanvas(Canvas)>>draw: [ | 3.0% {1985ms} FormCanvas(Canvas)>>roundCornersOf:during: [ | |3.0% {1985ms} FormCanvas>>roundCornersOf:in:during: [ | | 2.9% {1919ms} CornerRounder class>>roundCornersOf:on:i...orderWidth:corners: [ | 2.2% {1456ms} FormCanvas(Canvas)>>drawMorph: [ | 2.2% {1456ms} FormCanvas(Canvas)>>draw: [ 8.8% {5823ms} FormCanvas(Canvas)>>drawMorph: [ |8.8% {5823ms} FormCanvas(Canvas)>>draw: [ | 7.3% {4830ms} RectangleMorph(Morph)>>drawOn: [ | 6.4% {4235ms} FormCanvas(Canvas)>>fillRectangle:fillStyle:borderStyle: [ | 2.5% {1654ms} SimpleBorder>>frameRectangle:on: [ | |2.4% {1588ms} FormCanvas>>frameAndFillRectangle:fi...Color:bottomRightColor: [ | 2.1% {1390ms} FormCanvas>>fillRectangle:fillStyle: [ 6.2% {4103ms} TransformMorph>>drawSubmorphsOn: [ 5.7% {3772ms} FormCanvas(Canvas)>>fullDrawMorph: [ 5.4% {3573ms} FormCanvas(Canvas)>>fullDraw: [ 5.3% {3507ms} StringMorph(Morph)>>fullDrawOn: [ 2.7% {1787ms} FormCanvas(Canvas)>>drawMorph: [ 2.7% {1787ms} FormCanvas(Canvas)>>draw: [ 2.7% {1787ms} StringMorph>>drawOn: [ 2.6% {1720ms} FormCanvas(Canvas)>>drawString:in:font:color: [ 2.6% {1720ms} FormCanvas>>drawString:from:to:in:font:color: | | | | 10.4% {6882ms} FormCanvas(Canvas)>>drawMorph: | | | | 10.4% {6882ms} FormCanvas(Canvas)>>draw: | | | | 3.3% {2184ms} MenuItemMorph>>drawOn: [2.9% {1919ms} MenuItemMorph(StringMorph)>>drawOn: [ 2.9% {1919ms} FormCanvas(Canvas)>>drawString:in:font:color: [ 2.9% {1919ms} FormCanvas>>drawString:from:to:in:font:color: | | | | 2.3% {1522ms} ProjectViewMorph>>drawOn: | | | | 2.1% {1390ms} PluggableListMorph>>drawOn: | | | 3.7% {2448ms} FormCanvas(Canvas)>>drawMorph: | | | 3.7% {2448ms} FormCanvas(Canvas)>>draw: | | | 2.7% {1787ms} SystemWindow(Morph)>>drawOn: | | | 2.6% {1720ms} FormCanvas(Canvas)>>fillRectangle:fillStyle:borderStyle: | | 9.6% {6352ms} WorldState>>forceDamageToScreen: | | 9.6% {6352ms} DisplayScreen>>forceDamageToScreen: | | 9.5% {6286ms} DisplayScreen>>forceToScreen: | 3.1% {2051ms} HandMorph>>processEvents | 3.0% {1985ms} EventSensor>>nextEvent | 3.0% {1985ms} EventSensor>>nextEventFromQueue 18.0% {11911ms} MenuMorph>>popUpAt:forHand:in: |17.9% {11844ms} MenuMorph>>popUpAt:forHand:in:allowKeyboard: | 15.7% {10389ms} PasteUpMorph>>addMorphFront: | 15.7% {10389ms} PasteUpMorph(Morph)>>addMorphInFrontOfLayer: | 15.7% {10389ms} PasteUpMorph(Morph)>>addMorph:inFrontOf: | 15.7% {10389ms} PasteUpMorph(Morph)>>privateAddMorph:atIndex: | 15.4% {10190ms} PasteUpMorph(Morph)>>addedOrRemovedSubmorph: | 15.4% {10190ms} MenuMorph(Morph)>>fullBounds | 15.4% {10190ms} MenuMorph(Morph)>>doLayoutIn: | 13.7% {9065ms} TableLayout>>layout:in: | 13.7% {9065ms} TableLayout>>layoutTopToBottom:in: | 8.6% {5691ms} MenuItemMorph(Morph)>>layoutInBounds: | |5.1% {3375ms} MenuItemMorph(Morph)>>bounds: | | 2.7% {1787ms} MenuItemMorph(Morph)>>extent: | | |2.5% {1654ms} MenuItemMorph(Morph)>>changed | | | 2.1% {1390ms} MenuItemMorph(Morph)>>invalidRect: | | | 2.1% {1390ms} MenuItemMorph(Morph)>>invalidRect:from: | | 2.3% {1522ms} MenuItemMorph(Morph)>>position: | 4.2% {2779ms} MenuItemMorph(Morph)>>minExtent 5.1% {3375ms} PluggableListMorph>>getMenu: 5.1% {3375ms} PluggableListMorph(ScrollPane)>>getMenu: **Leaves** 9.5% {6286ms} DisplayScreen>>forceToScreen: 7.0% {4632ms} GrafPort>>copyBits 5.7% {3772ms} GrafPort(BitBlt)>>displayString:from:to:at:strikeFont:kern: 4.6% {3044ms} IdentityDictionary>>scanFor: 3.5% {2316ms} Point>>+ 3.5% {2316ms} Rectangle class>>origin:corner: 3.0% {1985ms} EventSensor>>nextEventFromQueue 2.5% {1654ms} Form>>copyBits:from:at:clippingBox:rule:fillColor:map: 2.2% {1456ms} SmallInteger class(Behavior)>>inheritsFrom: 2.2% {1456ms} IdentityDictionary(Dictionary)>>at:ifAbsent: **Memory** old +194,044 bytes young -98,752 bytes used +95,292 bytes free -95,292 bytes **GCs** full 0 totalling 0ms (0.0% uptime) incr 328 totalling 4,470ms (7.0% uptime), avg 14.0ms tenures 4 (avg 82 GCs/tenure) root table 0 overflows As you can see, its pretty slow - 66 seconds! Some observations - corner rouding is turned off, so I'm a bit surprised to see CornerRounder in there. #forceToScreen: is a big hit because I can't get it (in the vm) to work without looking for all events (it should work, but it just won't.) TableLayout? in a menu? tim -- Tim Rowledge, tim at sumeru.stanford.edu, http://sumeru.stanford.edu/tim I modem, but they grew back.
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