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Exploring Dynamism - Randal - Revision history
2024-03-28T08:58:10Z
Revision history for this page on the wiki
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https://wiki.jvmlangsummit.com/index.php?title=Exploring_Dynamism_-_Randal&diff=385&oldid=prev
Jrose at 22:33, 18 September 2009
2009-09-18T22:33:35Z
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">= Abstract =</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">An open discussion on the fundamental concepts of dynamic languages, and the implementations that support them. What is a dynamic language? With more and more dynamic features used in static languages (JIT, PIC, etc) does the distinction even matter? What challenges do researchers and developers face as they move from static concepts to dynamic concepts? Are there aspects of "established wisdom" in computer science that don't apply well to dynamic languages?</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td></tr>
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Jrose
https://wiki.jvmlangsummit.com/index.php?title=Exploring_Dynamism_-_Randal&diff=226&oldid=prev
Al3x at 18:41, 16 September 2009
2009-09-16T18:41:23Z
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Al3x
https://wiki.jvmlangsummit.com/index.php?title=Exploring_Dynamism_-_Randal&diff=224&oldid=prev
Al3x at 18:40, 16 September 2009
2009-09-16T18:40:20Z
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Introduction =</div></td></tr>
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Al3x
https://wiki.jvmlangsummit.com/index.php?title=Exploring_Dynamism_-_Randal&diff=221&oldid=prev
Al3x at 18:38, 16 September 2009
2009-09-16T18:38:44Z
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Al3x
https://wiki.jvmlangsummit.com/index.php?title=Exploring_Dynamism_-_Randal&diff=220&oldid=prev
Al3x: New page: Slides: [Image:Exploring dynamism.pdf] = Introduction = * "a mental exploration of dynamic language features" * "crystalize what dynamism is" * static vs dynamic as particle vs wave * som...
2009-09-16T18:38:18Z
<p>New page: Slides: [Image:Exploring dynamism.pdf] = Introduction = * "a mental exploration of dynamic language features" * "crystalize what dynamism is" * static vs dynamic as particle vs wave * som...</p>
<p><b>New page</b></p><div>Slides: [Image:Exploring dynamism.pdf]<br />
<br />
= Introduction =<br />
* "a mental exploration of dynamic language features"<br />
* "crystalize what dynamism is"<br />
* static vs dynamic as particle vs wave<br />
* sometimes a binary distinction, sometimes not<br />
* "no language is entirely static or dynamic"<br />
<br />
= Dynamic Typing =<br />
* you can do more stuff with a dynamic type system<br />
* think of it as a way to extend the type system by having types inspect run-time state<br />
<br />
= Dynamic Dispatch =<br />
* "stages of dynamism"<br />
* multiple dispatch can be done either statically or dynamically<br />
* many forms of caching (polymorphic inline caching, et. al.) are forms of dynamic dispatch<br />
<br />
= Introspection =<br />
* not strictly a dynamic language feature, but more common in dynamic langs than in static ones<br />
* annotations (ex: research at IBM on using annotations to enforce web application security constraints)<br />
<br />
= Dynamic Compilation =<br />
* compiling blocks of code, capturing the environment around that code (closures, runtime environment, etc.)<br />
* higher-order functions: methods generating other methods at runtime<br />
* interaction (REPL), as with the Python command line<br />
* sci-fi future: self-modifying code<br />
<br />
= Dynamic Loading =<br />
* another strategy for adding new code at runtime<br />
* including new libraries<br />
* binding routines to objects<br />
* mixins/traits/roles and other cross-cutting inheritance/extension models<br />
* dynamic unloading: not often seen because dynamic languages traditionally power applications that run for short periods and wouldn't see gains from unloading to free up memory<br />
<br />
= Conclusions =<br />
* "static systems and dynamic systems are both critical"<br />
* tradeoffs of tighter control vs greater abstraction, productivity vs performance<br />
* hybrid systems may be the most effective</div>
Al3x