Squeak-dev July 2015

squeak-dev@lists.squeakfoundation.org

34 participants
192 discussions

final final Squeak-4.6-All-in-One posted
by Chris Muller 23 Jul '15

23 Jul '15

Okay, at he SqueakSSL plugin was replaced with the one from https://github.com/itsmeront/squeakssl/releases for all platforms. Tested it on Linux, worked. Fabio verified Mac. Craig signed it too. Thanks for your help with this shakeout. Can anyone think of anything else we need to do?

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Fwd: Build failed in Jenkins: Trunk » default #2
by Tobias Pape 22 Jul '15

22 Jul '15

Dear all, it is currently impossible to test trunk (spur) on jenkins, can someone please have a look? -- Tobias Pape sent from a mobile device Anfang der weitergeleiteten E‑Mail: > Von: squeak-ci <do-not-reply(a)squeak.org> > Datum: 22. Juli 2015 08:40:09 MESZ > An: Das.Linux(a)gmx.de > Betreff: Build failed in Jenkins: Trunk » default #2 > > See <http://build.squeak.org/job/Trunk/default/2/changes> > > Changes: > > [Tobias Pape] bump Cog > > ------------------------------------------ > [...truncated 353 lines...] > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > nextObject > > stack page bytes 4096 available headroom 2788 minimum unused headroom 2984 > > (Recursive not understood error encountered) > Aborted > should pass all tests (FAILED - 1) > > Failures: > > 1) Trunk test suite for Spur image test suite should pass all tests > Failure/Error: run_image_with_cmd(@vm, vm_args(@os_name), RUN_TEST_IMAGE_NAME, "#{SRC}/tests.st", 30.minutes) > RuntimeError: > Process 10561 failed with exit status 134 > # ./lib/squeak-ci/build.rb:393:in `block in run_image_with_cmd' > # ./lib/squeak-ci/build.rb:26:in `counted_command' > # ./lib/squeak-ci/build.rb:352:in `run_image_with_cmd' > # ./test/spur_image_test.rb:37:in `block (4 levels) in <top (required)>' > # ./test/spur_image_test.rb:32:in `chdir' > # ./test/spur_image_test.rb:32:in `block (3 levels) in <top (required)>' > > Finished in 56.15 seconds > 1 example, 1 failure > > Failed examples: > > rspec ./test/spur_image_test.rb:31 # Trunk test suite for Spur image test suite should pass all tests > rake aborted! > /var/lib/jenkins/.rvm/rubies/ruby-1.9.3-p392/bin/ruby -S rspec test/spur_image_test.rb -fdoc failed > /var/lib/jenkins/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.0/lib/rspec/core/rake_task.rb:156:in `run_task' > /var/lib/jenkins/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.0/lib/rspec/core/rake_task.rb:124:in `block (2 levels) in initialize' > /var/lib/jenkins/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.0/lib/rspec/core/rake_task.rb:122:in `block in initialize' > /var/lib/jenkins/.rvm/gems/ruby-1.9.3-p392/bin/ruby_executable_hooks:15:in `eval' > /var/lib/jenkins/.rvm/gems/ruby-1.9.3-p392/bin/ruby_executable_hooks:15:in `<main>' > Tasks: TOP => spur_test > (See full trace by running task with --trace) > Build step 'Execute shell' marked build as failure > Discard old builds... > Recording test results

3 5

final Squeak-4.6-All-in-One posted
by Chris Muller 21 Jul '15

21 Jul '15

There was 1 vote for including the legacy Mac plugins and 0 against. So Craig and I made one last All-in-One and its uploaded. So, I think can we call 4.6 "done" then?

9 11

Squeak-5.0-All-in-One does not open image on OSX
by Tobias Pape 21 Jul '15

21 Jul '15

Hi all, There's a glitch in the Squeak-5.0-All-in-One. The Info.plist still refers to Squeak4.6-15102.image instead of Squeak5.0-15110.image Best regards -Tobias

3 2

Daily Commit Log
by commits＠source.squeak.org 20 Jul '15

20 Jul '15

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2015-July/008832.html Name: System-cmm.755 Ancestors: System-cmm.754 Remove references to ObjectHistory, because Spur cannot support it. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2015-July/008833.html Name: ReleaseBuilder-cmm.127 Ancestors: ReleaseBuilder-cmm.126 - Use the same contents of setPreferences46 for this 5.0 release, but remove the version-specific nomenclature. - Update the system versionString to Squeak5.0. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2015-July/008834.html Name: Morphic-cmm.995 Ancestors: Morphic-cmm.994 Something got goofed up, reformat the release notes (sigh). =============================================

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The Trunk: Morphic-cmm.995.mcz
by commits＠source.squeak.org 20 Jul '15

20 Jul '15

Chris Muller uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-cmm.995.mcz ==================== Summary ==================== Name: Morphic-cmm.995 Author: cmm Time: 20 July 2015, 4:01:07.965 pm UUID: 04170d15-f911-45c5-8d06-ce0f4a99800d Ancestors: Morphic-cmm.994 Something got goofed up, reformat the release notes (sigh). =============== Diff against Morphic-cmm.994 =============== Item was changed: ----- Method: TheWorldMainDockingBar>>releaseNotes (in category 'submenu - help') ----- releaseNotes + ^'Squeak 5.0 - ^' - Squeak 5.0 Release Notes - A New Memory Model and Virtual Machine Fast Become Squeak 5 introduces a new object model and VM known as "Spur". Presented [1] by Eliot Miranda and Clément Béra at the International Symposium on Memory Management in year 2015, this new VM retains the direct-pointer representation of objects in previous Squeak versions but now without requiring a full scan of the heap for become. This is done by introducing hidden forwarding objects which allow references to be updated lazily as they are encountered. Spur''s innovation is in avoiding explicit read barriers in all common cases. Additional Immediate Types The new Spur memory model supports immediate Characters, so that Characters with unicode greater than 255 can be tested via #==, and wide string access is much faster. The 64-bit version, still under development, also provides immediate floats, occupying the middle 8th of the double precision exponent range. Simplified and Ready for 64-bit Internally Spur uses a 64-bit object header, a representation shared between the 32-bit and 64-bit versions, and one that is significantly simpler than the three different header sizes used in the previous version. This simplicity means that the JIT now generates code to implement more primitives, in particular new and new:, resulting in significantly higher performance, at the cost of a 15% increase in image size. Enhanced Memory Management Spur has a segmented heap, allowing the heap to grow and shrink a segment at a time. It provides per-object pinning to ensure specific objects will not be moved by the garbage collector, hence simplifying the FFI. Spur provides Ephemerons which allow for per-object finalization and the prevention of uncollectable cycles, for example in global property lists like DependentsFields (although this support has yet to be applied to the system). Squeak now runs on ARM + As a natural output of the Scratch application on Rasberry Pi project, the Spur VM can now run on the Rasberry Pi. The Future of Spur + Work is underway on an innovative adaptive optimizer/speculative inliner, and a 64-bit JIT for x64, and a global incremental mark-sweep collector is planned. See [2]. [1] -- http://conf.researchr.org/event/ismm-2015/ismm-2015-papers-a-partial-read-b… [2] -- http://www.mirandabanda.org/cogblog/cog-projects/ !! + ]style[(10 1 13 40 2 11 537 26 313 31 422 26 448 22 119 19 374)a2bFBitstreamVeraSerif#32.0,FBitstreamVeraSans#20.0a2,a2FBitstreamVeraSerif#24.0-,FBitstreamVeraSans#20.0,,b,,b,,b,,b,,FBitstreamVeraSans#20.0,,FBitstreamVeraSans#20.0,!!' readStream nextChunkText! - ]style[(1 10 1 14 2 38 2 11 120 44 162 6 203 2 26 9 302 2 31 1 421 26 448 22 118 18 374),ba2FBitstreamVeraSerif#32.0,FBitstreamVeraSerif#24.0----a2,FBitstreamVeraSerif#24.0a2-i,,bFBitstreamVeraSans#20.0,,b,,u,,i,,FBitmap DejaVu Sans#14,FBitmap DejaVu Sans#14b,FBitmap DejaVu Sans#14,,FBitmap DejaVu Sans#14,FBitmap DejaVu Sans#14b,FBitmap DejaVu Sans#14,,b,,bFBitstreamVeraSans#20.0,,FBitstreamVeraSans#20.0b,!!' readStream nextChunkText!

1 0

The Trunk: ReleaseBuilder-cmm.127.mcz
by commits＠source.squeak.org 20 Jul '15

20 Jul '15

Chris Muller uploaded a new version of ReleaseBuilder to project The Trunk: http://source.squeak.org/trunk/ReleaseBuilder-cmm.127.mcz ==================== Summary ==================== Name: ReleaseBuilder-cmm.127 Author: cmm Time: 20 July 2015, 2:30:19.147 pm UUID: f5862f3f-3989-4381-8924-e39fdf731300 Ancestors: ReleaseBuilder-cmm.126 - Use the same contents of setPreferences46 for this 5.0 release, but remove the version-specific nomenclature. - Update the system versionString to Squeak5.0. =============== Diff against ReleaseBuilder-cmm.126 =============== Item was removed: - ----- Method: ReleaseBuilder class>>projectBackground45 (in category 'resources') ----- - projectBackground45 - - ^ Form fromBinaryStream: 'iVBORw0KGgoAAAANSUhEUgAAAGYAAABXCAYAAAD2+TBqAAAvWUlEQVR4Xl3d19ocRZKA4b7/ - k72BPRqz45YBZkAIhDzyXkLe/0hIyOIlJEFtvdn9NbVzUE+XzYwMnxGR2audB+emR998OT1/ - eWP66uH56fzFvdPFL/dP9786Oz1+cnl69uL69ODrC9PV61+M32s3jozj7Pk905Vrh6cjx/41 - 3b57cjp24qNxfHnl4HTy9CfTmXOfjXd8d+7C59OtOyemC5f2jXtPnl0d7965d2p6/ebhuK+N - 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Item was removed: - ----- Method: ReleaseBuilder class>>projectBackground46 (in category 'resources') ----- (excessive size, no diff calculated) Item was removed: - ----- Method: ReleaseBuilder class>>projectBackground46Computed (in category 'resources') ----- - projectBackground46Computed - - | randomPoint col | - col := Color fromString: '#76A5BF'. - randomPoint := World right atRandom @ World bottom atRandom. - ^ ((GradientFillStyle colors: { - col. - col twiceDarker. - col twiceDarker twiceDarker}) - radial: true ; - origin: randomPoint; - direction: randomPoint; - normal: nil ; - yourself) - ! Item was changed: + ----- Method: ReleaseBuilder class>>setPreferences (in category 'preferences') ----- - ----- Method: ReleaseBuilder class>>setPreferences (in category 'private') ----- setPreferences + "Preferences class defaultValueTableForCurrentRelease" + self setProjectBackground: Color darkGray. + + "General User interaction" + Preferences + enable: #swapMouseButtons; + disable: #mouseOverForKeyboardFocus. + Morph indicateKeyboardFocus: true. + + "Text input." + TextEditor + autoEnclose: true ; + autoIndent: true ; + destructiveBackWord: false ; + blinkingCursor: true ; + dumbbellCursor: false. + Preferences + insertionPointColor: Color red. + PluggableTextMorph simpleFrameAdornments: false. + + "Windows" + Preferences installUniformWindowColors. + SystemWindow reuseWindows: false. + Model windowActiveOnFirstClick: false. "Not good for 800x600" + Preferences + disable: #showSplitterHandles; + enable: #fastDragWindowForMorphic. + CornerGripMorph drawCornerResizeHandles: false. + ProportionalSplitterMorph + smartHorizontalSplitters: false ; + smartVerticalSplitters: false. + + "Scroll bars." + Preferences + enable: #scrollBarsNarrow; + enable: #scrollBarsOnRight; + disable: #alwaysHideHScrollbar; + disable: #alwaysShowHScrollbar; + disable: #alwaysShowVScrollbar. + ScrollBar + scrollBarsWithoutArrowButtons: true; + scrollBarsWithoutMenuButton: true. + ScrollPane + useRetractableScrollBars: false. + + "Rounded corners." + Morph preferredCornerRadius: 6. + Preferences disable: #roundedWindowCorners. + PluggableButtonMorph roundedButtonCorners: false. + FillInTheBlankMorph roundedDialogCorners: false. + MenuMorph roundedMenuCorners: false. + ScrollBar roundedScrollBarLook: false. + + "Gradients." + Preferences disable: #gradientScrollBars. + SystemWindow gradientWindow: false. + MenuMorph gradientMenu: false. + PluggableButtonMorph gradientButton: false. + + "Shadows" + Preferences enable: #menuAppearance3d. + MenuMorph + menuBorderWidth: 1; + menuBorderColor: Color lightGray; + menuLineColor: Color lightGray. + Morph useSoftDropShadow: true.. + + "Lists and Trees" + PluggableListMorph + filterableLists: true; + clearFilterAutomatically: false; + highlightHoveredRow: true; + menuRequestUpdatesSelection: true. + PluggableTreeMorph + filterByLabelsOnly: false; + maximumSearchDepth: 1. + LazyListMorph + listSelectionTextColor: Color black; + listSelectionColor: (Color r: 0.72 g: 0.72 b: 0.9). + + "Standard Tools" + BalloonMorph setBalloonColorTo: + (TranslucentColor r: 0.92 g: 0.92 b: 0.706 alpha: 0.75). + Workspace shouldStyle: false. + Browser + listClassesHierarchically: true; + showClassIcons: true; + showMessageIcons: true; + sortMessageCategoriesAlphabetically: true. + Preferences enable: #annotationPanes; + enable: #optionalButtons; + enable: #diffsWithPrettyPrint; + enable: #traceMessages; + enable: #alternativeBrowseIt; + enable: #menuWithIcons; + enable: #visualExplorer. + SystemNavigation thoroughSenders: true. + + "Halo" + Preferences + enable: #showBoundsInHalo ; + disable: #alternateHandlesLook. + + "System" + NetNameResolver enableIPv6: false. + Scanner + allowUnderscoreAsAssignment: true; + prefAllowUnderscoreSelectors: true. + + "that's all, folks"! - self setPreferences46. ! Item was removed: - ----- Method: ReleaseBuilder class>>setPreferences45 (in category 'preferences') ----- - setPreferences45 - - self setProjectBackground: self projectBackground45. - - Workspace shouldStyle: false. - SystemWindow reuseWindows: true. - TextEditor - autoEnclose: true ; - autoIndent: false ; - destructiveBackWord: false ; - blinkingCursor: false ; - dumbbellCursor: false. - BalloonMorph setBalloonColorTo: - (TranslucentColor - r: 0.92 - g: 0.92 - b: 0.706 - alpha: 0.75). - Preferences - installBrightWindowColors ; - insertionPointColor: Color red ; - enable: #scrollBarsWithoutMenuButton ; - enable: #gradientScrollBars ; - enable: #swapMouseButtons ; - enable: #annotationPanes ; - disable: #showSplitterHandles ; - enable: #showBoundsInHalo ; - disable: #alternateHandlesLook ; - disable: #roundedMenuCorners ; - disable: #roundedWindowCorners ; - enable: #traceMessages ; - enable: #diffsWithPrettyPrint ; - disable: #alwaysShowVScrollbar ; - enable: #alternativeBrowseIt. - ProportionalSplitterMorph - smartHorizontalSplitters: false ; - smartVerticalSplitters: false. - PluggableButtonMorph roundedButtonCorners: false. - FillInTheBlankMorph roundedDialogCorners: false. - Workspace shouldStyle: false. - NetNameResolver enableIPv6: false. - Browser listClassesHierarchically: true. - SystemNavigation thoroughSenders: true! Item was removed: - ----- Method: ReleaseBuilder class>>setPreferences46 (in category 'preferences') ----- - setPreferences46 - "Preferences class defaultValueTableForCurrentRelease" - - self setProjectBackground: Color darkGray. - - "General User interaction" - Preferences - enable: #swapMouseButtons; - disable: #mouseOverForKeyboardFocus. - Morph indicateKeyboardFocus: true. - - "Text input." - TextEditor - autoEnclose: true ; - autoIndent: true ; - destructiveBackWord: false ; - blinkingCursor: true ; - dumbbellCursor: false. - Preferences - insertionPointColor: Color red. - PluggableTextMorph simpleFrameAdornments: false. - - "Windows" - Preferences installUniformWindowColors. - SystemWindow reuseWindows: false. - Model windowActiveOnFirstClick: false. "Not good for 800x600" - Preferences - disable: #showSplitterHandles; - enable: #fastDragWindowForMorphic. - CornerGripMorph drawCornerResizeHandles: false. - ProportionalSplitterMorph - smartHorizontalSplitters: false ; - smartVerticalSplitters: false. - - "Scroll bars." - Preferences - enable: #scrollBarsNarrow; - enable: #scrollBarsOnRight; - disable: #alwaysHideHScrollbar; - disable: #alwaysShowHScrollbar; - disable: #alwaysShowVScrollbar. - ScrollBar - scrollBarsWithoutArrowButtons: true; - scrollBarsWithoutMenuButton: true. - ScrollPane - useRetractableScrollBars: false. - - "Rounded corners." - Morph preferredCornerRadius: 6. - Preferences disable: #roundedWindowCorners. - PluggableButtonMorph roundedButtonCorners: false. - FillInTheBlankMorph roundedDialogCorners: false. - MenuMorph roundedMenuCorners: false. - ScrollBar roundedScrollBarLook: false. - - "Gradients." - Preferences disable: #gradientScrollBars. - SystemWindow gradientWindow: false. - MenuMorph gradientMenu: false. - PluggableButtonMorph gradientButton: false. - - "Shadows" - Preferences enable: #menuAppearance3d. - MenuMorph - menuBorderWidth: 1; - menuBorderColor: Color lightGray; - menuLineColor: Color lightGray. - Morph useSoftDropShadow: true.. - - "Lists and Trees" - PluggableListMorph - filterableLists: true; - clearFilterAutomatically: false; - highlightHoveredRow: true; - menuRequestUpdatesSelection: true. - PluggableTreeMorph - filterByLabelsOnly: false; - maximumSearchDepth: 1. - LazyListMorph - listSelectionTextColor: Color black; - listSelectionColor: (Color r: 0.72 g: 0.72 b: 0.9). - - "Standard Tools" - BalloonMorph setBalloonColorTo: - (TranslucentColor r: 0.92 g: 0.92 b: 0.706 alpha: 0.75). - Workspace shouldStyle: false. - Browser - listClassesHierarchically: true; - showClassIcons: true; - showMessageIcons: true; - sortMessageCategoriesAlphabetically: true. - Preferences enable: #annotationPanes; - enable: #optionalButtons; - enable: #diffsWithPrettyPrint; - enable: #traceMessages; - enable: #alternativeBrowseIt; - enable: #menuWithIcons; - enable: #visualExplorer. - SystemNavigation thoroughSenders: true. - - "Halo" - Preferences - enable: #showBoundsInHalo ; - disable: #alternateHandlesLook. - - "System" - NetNameResolver enableIPv6: false. - Scanner - allowUnderscoreAsAssignment: true; - prefAllowUnderscoreSelectors: true. - - "that's all, folks"! Item was removed: - ----- Method: ReleaseBuilder class>>setPreferences46LowDetails (in category 'preferences') ----- - setPreferences46LowDetails - "Higher performance." - - self setPreferences46. - - self setProjectBackground: (Color gray: 0.6). - - Preferences disable: #roundedWindowCorners. - PluggableButtonMorph roundedButtonCorners: false. - FillInTheBlankMorph roundedDialogCorners: false. - MenuMorph roundedMenuCorners: false. - ScrollBar roundedScrollBarLook: false. - - Preferences disable: #gradientScrollBars. - SystemWindow gradientWindow: false. - MenuMorph gradientMenu: false. - PluggableButtonMorph gradientButton: false. - - Preferences disable: #menuAppearance3d. - - Morph indicateKeyboardFocus: false. - - PluggableListMorph highlightHoveredRow: false. - Browser - listClassesHierarchically: false; - showClassIcons: false; - showMessageIcons: false; - sortMessageCategoriesAlphabetically: false. - Preferences - disable: #menuWithIcons; - disable: #visualExplorer. - - "Non-3D menu." - MenuMorph - menuBorderWidth: 1; - menuBorderColor: Color lightGray; - menuLineColor: Color lightGray.! Item was removed: - ----- Method: ReleaseBuilder class>>setPreferences46Retro (in category 'preferences') ----- - setPreferences46Retro - "Higher performance." - - self setPreferences46. - - self setProjectBackground: self projectBackground46Computed. - - "Rounded stuff." - Morph preferredCornerRadius: 8. - Preferences enable: #roundedWindowCorners. - PluggableButtonMorph roundedButtonCorners: true. - FillInTheBlankMorph roundedDialogCorners: true. - MenuMorph roundedMenuCorners: true. - "ScrollBar roundedScrollBarLook: true." - - "Gradients." - Preferences enable: #gradientScrollBars. - SystemWindow gradientWindow: true. - MenuMorph gradientMenu: true. - PluggableButtonMorph gradientButton: true. - - "Scroll bars." - Preferences - disable: #scrollBarsNarrow; - enable: #alwaysShowVScrollbar; - enable: #alwaysHideHScrollbar. - ScrollBar - scrollBarsWithoutArrowButtons: false; - scrollBarsWithoutMenuButton: false.! Item was changed: ----- Method: ReleaseBuilder class>>versionString (in category 'private') ----- versionString + ^ 'Squeak5.0'! - ^ 'Squeak4.6'!

1 0

The Trunk: System-cmm.755.mcz
by commits＠source.squeak.org 20 Jul '15

20 Jul '15

Chris Muller uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-cmm.755.mcz ==================== Summary ==================== Name: System-cmm.755 Author: cmm Time: 20 July 2015, 2:25:20.981 pm UUID: 874d786b-5d3e-4338-8552-0a22f651fe33 Ancestors: System-cmm.754 Remove references to ObjectHistory, because Spur cannot support it. =============== Diff against System-cmm.754 =============== Item was removed: - ----- Method: Object>>oopAge (in category '*system-support') ----- - oopAge - ^ ObjectHistory current ageOf: self! Item was removed: - ----- Method: Object>>oopTimestamp (in category '*system-support') ----- - oopTimestamp - ^ ObjectHistory current timestampOf: self!

1 0

how to get your app into the default catalog list of the best Squeak ever
by Chris Muller 20 Jul '15

20 Jul '15

New SqueakMap Categories have been created for 4.6 and 5.0. If you have applications which are (still) compatible with 4.6 and 5.0, it only takes a few minutes to update your SqueakMap entries so they'll appear by default in the Catalog of these new releases. Some guidance on how to do this is here: http://wiki.squeak.org/squeak/6181

4 5

Re: [squeak-dev] The Trunk: System-cmm.754.mcz
by Levente Uzonyi 20 Jul '15

20 Jul '15

#oopAge and #oopTimestamp should be removed from Object. Levente On Sun, 19 Jul 2015, commits(a)source.squeak.org wrote: > Chris Muller uploaded a new version of System to project The Trunk: > http://source.squeak.org/trunk/System-cmm.754.mcz > > ==================== Summary ==================== > > Name: System-cmm.754 > Author: cmm > Time: 19 July 2015, 1:19:26.763 pm > UUID: 8f6319b1-3618-4258-8bbf-afed22e87937 > Ancestors: System-topa.753 > > Squeak 5.0 release, Spur bootstrap changes to transition to Spur object model and core system. > > =============== Diff against System-topa.753 =============== > > Item was removed: > - Object subclass: #ObjectHistory > - instanceVariableNames: 'marks markProcess' > - classVariableNames: 'Current ObjectHistoryEnabled' > - poolDictionaries: '' > - category: 'System-Support'! > - > - !ObjectHistory commentStamp: 'bf 11/16/2012 12:19' prior: 0! > - ObjectHistory holds ObjectHistoryMark objects which are placed in the object memory at regular intervals by its markProcess in the background. Adjacent marks (with no remaining objects inbetween) are coalesced so over time the collection does not grow unnecessarily large. > - > - Using these markers it is possible to determine the age of objects in memory from the time the ObjectHistory was initialized. Try e.g.: > - self oopTimestamp. > - self oopAge. > - ObjectHistory current oopClassesByDate. > - > - Instance Variables > - marks: SortedCollection of ObjectHistoryMark objects > - markProcess: a Process running our markLoop > - ! > > Item was removed: > - ----- Method: ObjectHistory class>>current (in category 'accessing') ----- > - current > - ^ Current ifNil: [Current := self new]! > > Item was removed: > - ----- Method: ObjectHistory class>>initialize (in category 'class initialization') ----- > - initialize > - self current. > - ! > > Item was removed: > - ----- Method: ObjectHistory class>>keepTrackOfObjectHistory (in category 'preferences') ----- > - keepTrackOfObjectHistory > - <preference: 'Keep track of object history' > - category: #('debug' 'general' 'performance') > - description: 'Collect marker objects in the object memory at regular intervals in the background. > - > - Using these markers it is possible to determine the age of objects in memory from the time the object history was initialized.' > - type: #Boolean> > - ^ ObjectHistoryEnabled ifNil: [ > - Current > - ifNil: [false] > - ifNotNil: [:objectHistory | objectHistory isRunning]]! > > Item was removed: > - ----- Method: ObjectHistory class>>keepTrackOfObjectHistory: (in category 'preferences') ----- > - keepTrackOfObjectHistory: aBoolean > - " Reflect the desired state by starting/stopping the process if necessary " > - ObjectHistoryEnabled = aBoolean ifTrue: [^ self]. > - ObjectHistoryEnabled := aBoolean. > - > - Current > - ifNil: [aBoolean ifTrue: [self current]] > - ifNotNil: [:objectHistory | > - (objectHistory isRunning xor: aBoolean) "state switch needed" > - ifTrue: [objectHistory toggleRunning]].! > > Item was removed: > - ----- Method: ObjectHistory class>>obsolete (in category 'class initialization') ----- > - obsolete > - "Kill the mark process before removing the class." > - Current ifNotNil: > - [:objectHistory| > - objectHistory terminate]. > - super obsolete! > > Item was removed: > - ----- Method: ObjectHistory>>ageOf: (in category 'queries') ----- > - ageOf: anObject > - "Age of anObject in seconds" > - | timestamp | > - timestamp := self timestampOf: anObject. > - timestamp ifNil: [^0]. > - ^(DateAndTime now - timestamp) asSeconds roundTo: self markRate! > > Item was removed: > - ----- Method: ObjectHistory>>initialize (in category 'initializing') ----- > - initialize > - self restartMarkProcess. > - > - ! > > Item was removed: > - ----- Method: ObjectHistory>>isRunning (in category 'testing') ----- > - isRunning > - ^ markProcess > - ifNil: [false] > - ifNotNil: [:process | > - process isSuspended not and: [ > - process isTerminated not]]! > > Item was removed: > - ----- Method: ObjectHistory>>markLoop (in category 'marking') ----- > - markLoop > - [true] whileTrue: [ > - self markUpdate. > - (Delay forSeconds: self markRate) wait]! > > Item was removed: > - ----- Method: ObjectHistory>>markRate (in category 'marking') ----- > - markRate > - "rate of creating ObjectHistoryMarks" > - ^60! > > Item was removed: > - ----- Method: ObjectHistory>>markUpdate (in category 'marking') ----- > - markUpdate > - "Add a new mark and compact the marks collection" > - | mark prev | > - "lazy init so this happens in the background process" > - marks ifNil: [self reinitMarks]. > - "add new mark to object memory" > - mark := self newMark. > - mark timestamp <= marks last timestamp ifTrue: [^self "could happen if clock is wrong"]. > - marks addLast: mark. > - "compact the table by removing adjacent marks" > - prev := marks first. > - marks removeAllSuchThat: [:each | | doDelete | > - doDelete := prev objectAfter == each. > - prev := each. > - doDelete]. > - "The loop above is O(n) in number of marks, but that number should never become so large to be an issue. Even if the number was large, this is running at system background priority so should not interfere with any user process, not even user background processes. The symptom should only be that the system is less idle. > - > - If we ever get to a point where the number of marks is an issue then the compacting here could be made partial: since old marks rarely get coalesced it would make sense to only check the newer ones often, and the old ones perhaps only at the system startup."! > > Item was removed: > - ----- Method: ObjectHistory>>newMark (in category 'private') ----- > - newMark > - ^ ObjectHistoryMark new! > > Item was removed: > - ----- Method: ObjectHistory>>oopClassesByAge (in category 'stats') ----- > - oopClassesByAge > - "Answer collection of (oopAge in seconds -> sorted counts of object classes) sorted from lowest age" > - "ObjectHistory current oopClassesByAge" > - > - | stats prev endOfMemory now bag age obj | > - endOfMemory := Object new. > - stats := OrderedCollection new: 1000. > - prev := nil. > - now := self newMark timestamp. > - marks do: [:mark | > - prev ifNotNil: [ > - bag := Bag new. > - obj := prev objectAfter. > - [obj == mark] whileFalse: [ > - bag add: obj class. > - obj := obj nextObject. > - obj == endOfMemory ifTrue: [self error: 'should not happen']]. > - age := (now - mark timestamp) asSeconds roundTo: self markRate. > - stats addFirst: age -> bag sortedCounts]. > - prev := mark]. > - ^ stats > - ! > > Item was removed: > - ----- Method: ObjectHistory>>oopClassesByDate (in category 'stats') ----- > - oopClassesByDate > - "Answer collection of (Date -> sorted counts of object classes) sorted from newest date" > - "ObjectHistory current oopClassesByDate" > - > - | stats prev endOfMemory bag date obj thisDate | > - endOfMemory := Object new. > - stats := OrderedCollection new: 1000. > - prev := nil. > - thisDate := nil. > - bag := Bag new. > - marks do: [:mark | > - prev ifNotNil: [ > - obj := prev objectAfter. > - [obj == mark] whileFalse: [ > - bag add: obj class. > - obj := obj nextObject. > - obj == endOfMemory ifTrue: [self error: 'should not happen']]. > - date := mark timestamp asDate. > - thisDate = date ifFalse: [ > - stats addFirst: date -> bag sortedCounts. > - bag := Bag new. > - thisDate := date]]. > - prev := mark]. > - thisDate = date ifFalse: [ > - stats addLast: date -> bag sortedCounts]. > - ^ stats > - ! > > Item was removed: > - ----- Method: ObjectHistory>>oopCountsByAge (in category 'stats') ----- > - oopCountsByAge > - "Answer collection of (oopAge in seconds -> number of objects) sorted from lowest age" > - "ObjectHistory current oopCountsByAge" > - > - | stats prev endOfMemory now n age obj | > - endOfMemory := Object new. > - stats := OrderedCollection new: 1000. > - prev := nil. > - now := self newMark timestamp. > - marks do: [:mark | > - prev ifNotNil: [ > - n := 0. > - obj := prev objectAfter. > - [obj == mark] whileFalse: [ > - n := n + 1. > - obj := obj nextObject. > - obj == endOfMemory ifTrue: [self error: 'should not happen']]. > - age := (now - mark timestamp) asSeconds roundTo: self markRate. > - stats addFirst: age -> n]. > - prev := mark]. > - ^ stats > - ! > > Item was removed: > - ----- Method: ObjectHistory>>reinitMarks (in category 'private') ----- > - reinitMarks > - marks := ObjectHistoryMark allInstances asOrderedCollection. > - marks > - ifEmpty: [marks add: self newMark] > - ifNotEmpty: [ | prev | > - prev := nil. > - marks removeAllSuchThat: [:obj | > - prev notNil and: [prev timestamp >= obj timestamp]]]. > - ! > > Item was removed: > - ----- Method: ObjectHistory>>restartMarkProcess (in category 'marking') ----- > - restartMarkProcess > - markProcess ifNotNil: [markProcess terminate]. > - markProcess := [self markLoop] > - forkAt: Processor systemBackgroundPriority > - named: 'ObjectHistory''s markProcess'. > - ! > > Item was removed: > - ----- Method: ObjectHistory>>terminate (in category 'private') ----- > - terminate > - markProcess ifNotNil: > - [markProcess terminate]! > > Item was removed: > - ----- Method: ObjectHistory>>timestampOf: (in category 'queries') ----- > - timestampOf: anObject > - "Timestamp of anObject, or nil if too new" > - | endOfMemory mark | > - anObject class == SmallInteger ifTrue: [^nil]. > - mark := anObject. > - endOfMemory := Object new. > - [mark class == ObjectHistoryMark] whileFalse: [ > - mark := mark nextObject. > - mark == endOfMemory ifTrue: [^nil]]. > - ^mark timestamp! > > Item was removed: > - ----- Method: ObjectHistory>>toggleRunning (in category 'private') ----- > - toggleRunning > - self isRunning > - ifTrue: [self terminate] > - ifFalse: [self restartMarkProcess]! > > Item was removed: > - Object subclass: #ObjectHistoryMark > - instanceVariableNames: 'timestamp' > - classVariableNames: '' > - poolDictionaries: '' > - category: 'System-Support'! > - > - !ObjectHistoryMark commentStamp: 'bf 11/7/2012 00:12' prior: 0! > - An ObjectHistoryMark is a permanent mark in the object memory. It holds a timestamp. > - > - While the timestamp could be used directly as mark by ObjectHistory, it's conceivable that its format might change in the future, and we do not want the mark's relative position in memory to change (which would be the case if it was migrated to a new format). So we use a distinct object instead (and we protect it against accidental become-ing by overriding those methods).! > > Item was removed: > - ----- Method: ObjectHistoryMark>>become: (in category 'mutating') ----- > - become: otherObject > - ^self error: 'marks need to stay fixed in the object memory'! > > Item was removed: > - ----- Method: ObjectHistoryMark>>becomeForward: (in category 'mutating') ----- > - becomeForward: otherObject > - ^self error: 'marks need to stay fixed in the object memory'! > > Item was removed: > - ----- Method: ObjectHistoryMark>>initialize (in category 'initialization') ----- > - initialize > - timestamp := DateAndTime now floor. > - ! > > Item was removed: > - ----- Method: ObjectHistoryMark>>objectAfter (in category 'accessing') ----- > - objectAfter > - "Answer the next object in memory after me and my timestamp" > - | successor | > - successor := self nextObject. > - successor == timestamp > - ifTrue: [successor := successor nextObject]. > - ^ successor! > > Item was removed: > - ----- Method: ObjectHistoryMark>>printOn: (in category 'printing') ----- > - printOn: aStream > - aStream > - nextPutAll: self class name; > - nextPut: $(; > - print: timestamp; > - nextPut: $)! > > Item was removed: > - ----- Method: ObjectHistoryMark>>timestamp (in category 'accessing') ----- > - timestamp > - ^timestamp > - ! > > Item was changed: > ----- Method: SmalltalkImage>>compactClassesArray (in category 'special objects') ----- > compactClassesArray > "Smalltalk compactClassesArray" > + "Backward-compatibility support. Spur does not have compact classes." > + ^{}! > - "Return the array of 31 classes whose instances may be > - represented compactly" > - ^ self specialObjectsArray at: 29! > > Item was added: > + ----- Method: SmalltalkImage>>growMemoryByAtLeast: (in category 'memory space') ----- > + growMemoryByAtLeast: numBytes > + "Grow memory by at least the requested number of bytes. > + Primitive. Essential. Fail if no memory is available." > + <primitive: 180> > + (numBytes isInteger and: [numBytes > 0]) ifTrue: > + [OutOfMemory signal]. > + ^self primitiveFailed! > > Item was added: > + ----- Method: SmalltalkImage>>maxIdentityHash (in category 'system attributes') ----- > + maxIdentityHash > + "Answer the maximum identityHash value supported by the VM." > + <primitive: 176> > + ^self primitiveFailed! > > Item was changed: > ----- Method: SmalltalkImage>>primBytesLeft (in category 'memory space') ----- > primBytesLeft > + "Primitive. Answer the number of free bytes available in old space. > + Not accurate unless preceded by > - "Primitive. Answer the number of bytes available for new object data. > - Not accurate unless preceded by > Smalltalk garbageCollectMost (for reasonable accuracy), or > Smalltalk garbageCollect (for real accuracy). > + See Object documentation whatIsAPrimitive." > - See Object documentation whatIsAPrimitive." > > <primitive: 112> > + ^0! > - ^ 0! > > Item was changed: > ----- Method: SmalltalkImage>>primitiveGarbageCollect (in category 'memory space') ----- > primitiveGarbageCollect > + "Primitive. Reclaims all garbage and answers the size of the largest free chunk in old space.." > - "Primitive. Reclaims all garbage and answers the number of bytes of available space." > > <primitive: 130> > + ^self primitiveFailed! > - ^ self primBytesLeft! > > Item was changed: > ----- Method: SmalltalkImage>>recreateSpecialObjectsArray (in category 'special objects') ----- > recreateSpecialObjectsArray > "Smalltalk recreateSpecialObjectsArray" > > "To external package developers: > **** DO NOT OVERRIDE THIS METHOD. ***** > If you are writing a plugin and need additional special object(s) for your own use, > use addGCRoot() function and use own, separate special objects registry " > > "The Special Objects Array is an array of objects used by the Squeak virtual machine. > Its contents are critical and accesses to it by the VM are unchecked, so don't even > think of playing here unless you know what you are doing." > | newArray | > + newArray := Array new: 60. > - newArray := Array new: 58. > "Nil false and true get used throughout the interpreter" > newArray at: 1 put: nil. > newArray at: 2 put: false. > newArray at: 3 put: true. > "This association holds the active process (a ProcessScheduler)" > newArray at: 4 put: (self specialObjectsArray at: 4) "(self bindingOf: #Processor) but it answers an Alias". > "Numerous classes below used for type checking and instantiation" > newArray at: 5 put: Bitmap. > newArray at: 6 put: SmallInteger. > newArray at: 7 put: ByteString. > newArray at: 8 put: Array. > newArray at: 9 put: Smalltalk. > + newArray at: 10 put: BoxedFloat64. > + newArray at: 11 put: (self globals at: #MethodContext ifAbsent: [self globals at: #Context]). > + newArray at: 12 put: nil. "was BlockContext." > - newArray at: 10 put: Float. > - newArray at: 11 put: MethodContext. > - newArray at: 12 put: BlockContext. > newArray at: 13 put: Point. > newArray at: 14 put: LargePositiveInteger. > newArray at: 15 put: Display. > newArray at: 16 put: Message. > newArray at: 17 put: CompiledMethod. > + newArray at: 18 put: ((self specialObjectsArray at: 18) ifNil: [Semaphore new]). "low space Semaphore" > - newArray at: 18 put: (self specialObjectsArray at: 18). > - "(low space Semaphore)" > newArray at: 19 put: Semaphore. > newArray at: 20 put: Character. > newArray at: 21 put: #doesNotUnderstand:. > newArray at: 22 put: #cannotReturn:. > newArray at: 23 put: nil. "This is the process signalling low space." > "An array of the 32 selectors that are compiled as special bytecodes, > paired alternately with the number of arguments each takes." > newArray at: 24 put: #( #+ 1 #- 1 #< 1 #> 1 #<= 1 #>= 1 #= 1 #~= 1 > #* 1 #/ 1 #\\ 1 #@ 1 #bitShift: 1 #// 1 #bitAnd: 1 #bitOr: 1 > #at: 1 #at:put: 2 #size 0 #next 0 #nextPut: 1 #atEnd 0 #== 1 #class 0 > #blockCopy: 1 #value 0 #value: 1 #do: 1 #new 0 #new: 1 #x 0 #y 0 ). > "An array of the 255 Characters in ascii order. > + Cog inlines table into machine code at: prim so do not regenerate it. > + This is nil in Spur, which has immediate Characters." > - Cog inlines table into machine code at: prim so do not regenerate it." > newArray at: 25 put: (self specialObjectsArray at: 25). > newArray at: 26 put: #mustBeBoolean. > newArray at: 27 put: ByteArray. > newArray at: 28 put: Process. > + "An array of up to 31 classes whose instances will have compact headers; an empty array in Spur" > - "An array of up to 31 classes whose instances will have compact headers" > newArray at: 29 put: self compactClassesArray. > + newArray at: 30 put: ((self specialObjectsArray at: 30) ifNil: [Semaphore new]). "delay Semaphore" > + newArray at: 31 put: ((self specialObjectsArray at: 31) ifNil: [Semaphore new]). "user interrupt Semaphore" > - newArray at: 30 put: (self specialObjectsArray at: 30). "(delay Semaphore)" > - newArray at: 31 put: (self specialObjectsArray at: 31). "(user interrupt Semaphore)" > "Entries 32 - 34 unreferenced. Previously these contained prototype instances to be copied for fast initialization" > + newArray at: 32 put: nil. "was the prototype Float" > + newArray at: 33 put: nil. "was the prototype 4-byte LargePositiveInteger" > + newArray at: 34 put: nil. "was the prototype Point" > - newArray at: 32 put: nil. "was (Float new: 2)" > - newArray at: 33 put: nil. "was (LargePositiveInteger new: 4)" > - newArray at: 34 put: nil. "was Point new" > newArray at: 35 put: #cannotInterpret:. > + newArray at: 36 put: nil. "was the prototype MethodContext" > - "Note: This must be fixed once we start using context prototypes (yeah, right)" > - "(MethodContext new: CompiledMethod fullFrameSize)." > - newArray at: 36 put: (self specialObjectsArray at: 36). "Is the prototype MethodContext (unused by the VM)" > newArray at: 37 put: BlockClosure. > + newArray at: 38 put: nil. "was the prototype BlockContext" > - "(BlockContext new: CompiledMethod fullFrameSize)." > - newArray at: 38 put: (self specialObjectsArray at: 38). "Is the prototype BlockContext (unused by the VM)" > "array of objects referred to by external code" > + newArray at: 39 put: (self specialObjectsArray at: 39). "external semaphores" > - newArray at: 39 put: (self specialObjectsArray at: 39). "preserve external semaphores" > newArray at: 40 put: nil. "Reserved for Mutex in Cog VMs" > + newArray at: 41 put: ((self specialObjectsArray at: 41) ifNil: [LinkedList new]). "Reserved for a LinkedList instance for overlapped calls in CogMT" > + newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). "finalization Semaphore" > - newArray at: 41 put: nil. "Reserved for a LinkedList instance for overlapped calls in CogMT" > - "finalization Semaphore" > - newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). > newArray at: 43 put: LargeNegativeInteger. > "External objects for callout. > Note: Written so that one can actually completely remove the FFI." > newArray at: 44 put: (self at: #ExternalAddress ifAbsent: []). > newArray at: 45 put: (self at: #ExternalStructure ifAbsent: []). > newArray at: 46 put: (self at: #ExternalData ifAbsent: []). > newArray at: 47 put: (self at: #ExternalFunction ifAbsent: []). > newArray at: 48 put: (self at: #ExternalLibrary ifAbsent: []). > newArray at: 49 put: #aboutToReturn:through:. > newArray at: 50 put: #run:with:in:. > "51 reserved for immutability message" > + newArray at: 51 put: #attemptToAssign:withIndex:. > - "newArray at: 51 put: #attemptToAssign:withIndex:." > - newArray at: 51 put: (self specialObjectsArray at: 51 ifAbsent: []). > newArray at: 52 put: #(nil "nil => generic error" #'bad receiver' > #'bad argument' #'bad index' > #'bad number of arguments' > #'inappropriate operation' #'unsupported operation' > #'no modification' #'insufficient object memory' > #'insufficient C memory' #'not found' #'bad method' > #'internal error in named primitive machinery' > #'object may move' #'resource limit exceeded' > + #'object is pinned' #'primitive write beyond end of object'). > - #'object is pinned'). > "53 to 55 are for Alien" > newArray at: 53 put: (self at: #Alien ifAbsent: []). > + newArray at: 54 put: #invokeCallbackContext:. "use invokeCallback:stack:registers:jmpbuf: for old Alien callbacks." > - newArray at: 54 put: #invokeCallbackContext::. "use invokeCallback:stack:registers:jmpbuf: for old Alien callbacks." > newArray at: 55 put: (self at: #UnsafeAlien ifAbsent: []). > > + "Used to be WeakFinalizationList for WeakFinalizationList hasNewFinalization, obsoleted by ephemeron support." > + newArray at: 56 put: nil. > - "Weak reference finalization" > - newArray at: 56 put: (self at: #WeakFinalizationList ifAbsent: []). > > "reserved for foreign callback process" > newArray at: 57 put: (self specialObjectsArray at: 57 ifAbsent: []). > > newArray at: 58 put: #unusedBytecode. > + "59 reserved for Sista counter tripped message" > + newArray at: 59 put: #conditionalBranchCounterTrippedOn:. > + "60 reserved for Sista class trap message" > + newArray at: 60 put: #classTrapFor:. > > "Now replace the interpreter's reference in one atomic operation" > + self specialObjectsArray becomeForward: newArray! > - self specialObjectsArray becomeForward: newArray > - ! > > Item was changed: > ----- Method: SmalltalkImage>>setGCParameters (in category 'snapshot and quit') ----- > setGCParameters > + "Adjust the VM's default GC parameters to avoid too much tenuring. > + Maybe this should be left to the VM?" > - "Adjust the VM's default GC parameters to avoid premature tenuring." > > + | proportion edenSize survivorSize averageObjectSize numObjects | > + proportion := 0.9. "tenure when 90% of pastSpace is full" > + edenSize := SmalltalkImage current vmParameterAt: 44. > + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" > + averageObjectSize := 8 * self wordSize. "a good approximation" > + numObjects := (proportion * survivorSize / averageObjectSize) rounded. > + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! > - self vmParameterAt: 5 put: 4000. "do an incremental GC after this many allocations" > - self vmParameterAt: 6 put: 2000. "tenure when more than this many objects survive the GC" > - ! > > Item was changed: > ----- Method: SpaceTally>>spaceForInstancesOf: (in category 'instance size') ----- > spaceForInstancesOf: aClass > + "Answer a pair of the number of bytes consumed by all instances of the > + given class, including their object headers, and the number of instances." > - "Answer the number of bytes consumed by all instances of the given class, including their object headers and the number of instances." > > + | instances total | > + instances := aClass allInstances. > + instances isEmpty ifTrue: [^#(0 0)]. > - | smallHeaderSize instVarBytes isVariable bytesPerElement total lastInstance instance instanceCount | > - instance := aClass someInstance ifNil: [ ^#(0 0) ]. > - smallHeaderSize := aClass isCompact ifTrue: [ 4 ] ifFalse: [ 8 ]. > - instVarBytes := aClass instSize * 4. > - isVariable := aClass isVariable. > - bytesPerElement := isVariable > - ifFalse: [ 0 ] > - ifTrue: [ aClass isBytes ifTrue: [ 1 ] ifFalse: [ 4 ] ]. > total := 0. > + aClass isVariable > + ifTrue: > + [instances do: > + [:i| total := total + (aClass byteSizeOfInstanceOfSize: i basicSize)]] > + ifFalse: > + [total := instances size * aClass byteSizeOfInstance]. > + ^{ total. instances size }! > - instanceCount := 0. > - "A modified version of #allInstancesDo: is inlined here. It avoids an infinite loop when another process is creating new instances of aClass." > - self flag: #allInstancesDo:. > - lastInstance := > - aClass == CompiledMethod "CompiledMethod has special format, see its class comment" > - ifTrue: [aClass new] > - ifFalse: [aClass basicNew]. > - [ instance == lastInstance ] whileFalse: [ > - | contentBytes headerBytes | > - contentBytes := instVarBytes + (isVariable > - ifFalse: [ 0 ] > - ifTrue: [ instance basicSize * bytesPerElement ]). > - headerBytes := contentBytes > 255 > - ifTrue: [ 12 ] > - ifFalse: [ smallHeaderSize ]. > - total := total + headerBytes + (contentBytes roundUpTo: 4). > - instanceCount := instanceCount + 1. > - instance := instance nextInstance ]. > - ^{ total. instanceCount }! > > Item was added: > + ----- Method: SystemDictionary>>growMemoryByAtLeast: (in category 'memory space') ----- > + growMemoryByAtLeast: numBytes > + "Grow memory by at least the requested number of bytes. > + Primitive. Fail if no memory is available. Essential." > + <primitive: 180> > + ^(numBytes isInteger and: [numBytes > 0]) > + ifTrue: [OutOfMemory signal] > + ifFalse: [self primitiveFailed]! > > Item was added: > + ----- Method: SystemDictionary>>maxIdentityHash (in category 'system attributes') ----- > + maxIdentityHash > + "Answer the maximum identityHash value supported by the VM." > + <primitive: 176> > + ^self primitiveFailed! > > Item was added: > + ----- Method: SystemDictionary>>setGCParameters (in category 'snapshot and quit') ----- > + setGCParameters > + "Adjust the VM's default GC parameters to avoid too much tenuring. > + Maybe this should be left to the VM?" > + > + | proportion edenSize survivorSize averageObjectSize numObjects | > + proportion := 0.9. "tenure when 90% of pastSpace is full" > + edenSize := SmalltalkImage current vmParameterAt: 44. > + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" > + averageObjectSize := 8 * self wordSize. "a good approximation" > + numObjects := (proportion * survivorSize / averageObjectSize) rounded. > + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! > > Item was added: > + ----- Method: SystemNavigation>>allObjects (in category 'query') ----- > + allObjects > + "Answer an Array of all objects in the system. Fail if > + there isn't enough memory to instantiate the result." > + <primitive: 178> > + ^self primitiveFailed! > > Item was changed: > ----- Method: SystemNavigation>>allObjectsDo: (in category 'query') ----- > allObjectsDo: aBlock > + "Evaluate the argument, aBlock, for each object in the system, excluding immediates > + such as SmallInteger and Character." > + self allObjectsOrNil > + ifNotNil: [:allObjects| allObjects do: aBlock] > + ifNil: > + ["Fall back on the old single object primitive code. With closures, this needs > + to use an end marker (lastObject) since activation of the block will create > + new contexts and cause an infinite loop. The lastObject must be created > + before calling someObject, so that the VM can settle the enumeration (e.g. > + by flushing new space) as a side effect of someObject" > + | object lastObject | > + lastObject := Object new. > + object := self someObject. > + [lastObject == object or: [0 == object]] whileFalse: > + [aBlock value: object. > + object := object nextObject]]! > - "Evaluate the argument, aBlock, for each object in the system > - excluding SmallIntegers. With closures, this needs to use an end > - marker (lastObject) since activation of the block will create new > - contexts and cause an infinite loop." > - | object lastObject | > - object := self someObject. > - lastObject := Object new. > - [lastObject == object or: [0 == object]] > - whileFalse: [aBlock value: object. > - object := object nextObject]! > > Item was added: > + ----- Method: SystemNavigation>>allObjectsOrNil (in category 'query') ----- > + allObjectsOrNil > + "Answer an Array of all objects in the system. Fail if there isn't > + enough memory to instantiate the result and answer nil." > + <primitive: 178> > + ^nil! > > >

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