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Overview
| Comment: | Update TIP #532 by giving the branches that will receive the implementation with or without PREFER_MOST_SPECIALIZED_EVENT and SUPPORT_ADDITIONAL_MOTION_SYNTAX |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
b9d1d51fbeef3772469520c5b07ae601 |
| User & Date: | fvogel 2019-02-03 17:33:56 |
Context
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2019-02-13
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| 10:53 | Update TIP #527 / timerate (the branches and TIP are ready now) check-in: 078ca0f89f user: sebres tags: trunk | |
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2019-02-03
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| 17:33 | Update TIP #532 by giving the branches that will receive the implementation with or without PREFER_MOST_SPECIALIZED_EVENT and SUPPORT_ADDITIONAL_MOTION_SYNTAX check-in: b9d1d51fbe user: fvogel tags: trunk | |
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2019-02-02
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| 18:00 | TIP #533 accepted 5/0/0: YES: 5 (Griffin, Kupries, Landers, Nijtmans, Vogel). NO: -. PRESENT: -. Vote conclusion email was sent 2-Feb-2019 to Tcl Core list. Implementation was merged the same day. check-in: 1672da309d user: fvogel tags: trunk | |
Changes
Changes to tip/532.md.
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Author: Gregor Cramer <[email protected]> State: Draft Type: Project Vote: Pending Created: 09-Jan-2019 Post-History: Keywords: Tk, bind, event, event loop Tcl-Version: 8.6 Tk-Branch: bug6e8afe516d ---- # Abstract Current implementation of event loop processing suffers from a limited event ring. This limitation is causing unexpected behavior. Moreover some issues in event loop handling are known. ................................................................................ Based on tests the performance in time is better than with legacy implementation. This result is expected, because a triple-nested loop, executed for each incoming event, has been changed to a quasi-double-nested loop (only in very seldom cases it is still triple-nested). Furthermore the traversed lists are shorter than with legacy implementation, because the event ring, always containing 30 items (or even 45 on Mac), has been eliminated. Only unbinding a tag is a bit slower than before. Memory consumption did not change significantly. # Backwards Compatibility Fix of issue (4) is not fully backwards compatible (more details in section **Rationale**). Moreover fix of issue (5) is not backwards compatible, but here erroneous behavior has been corrected. |
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Author: Gregor Cramer <[email protected]> State: Draft Type: Project Vote: Pending Created: 09-Jan-2019 Post-History: Keywords: Tk, bind, event, event loop Tcl-Version: 8.6 and 8.7 Tk-Branch: bug6e8afe516d, bug6e8afe516d-87 ---- # Abstract Current implementation of event loop processing suffers from a limited event ring. This limitation is causing unexpected behavior. Moreover some issues in event loop handling are known. ................................................................................ Based on tests the performance in time is better than with legacy implementation. This result is expected, because a triple-nested loop, executed for each incoming event, has been changed to a quasi-double-nested loop (only in very seldom cases it is still triple-nested). Furthermore the traversed lists are shorter than with legacy implementation, because the event ring, always containing 30 items (or even 45 on Mac), has been eliminated. Only unbinding a tag is a bit slower than before. Memory consumption did not change significantly. Branch [bug6e8afe516d](https://core.tcl-lang.org/tk/timeline?r=bug6e8afe516d) has <code>PREFER\_MOST\_SPECIALIZED\_EVENT=0</code> and <code>SUPPORT\_ADDITIONAL\_MOTION\_SYNTAX=0</code>. It targets 8.6 and is intended to be merged into core-8-6-branch. Branch [bug6e8afe516d-87](https://core.tcl-lang.org/tk/timeline?r=bug6e8afe516d-87) has <code>PREFER\_MOST\_SPECIALIZED\_EVENT=1</code> and <code>SUPPORT\_ADDITIONAL\_MOTION\_SYNTAX=1</code>. It targets 8.7 and is intended to be merged into trunk. # Backwards Compatibility Fix of issue (4) is not fully backwards compatible (more details in section **Rationale**). Moreover fix of issue (5) is not backwards compatible, but here erroneous behavior has been corrected. |