<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>http://mw.hh.se/wg211/index.php?action=history&amp;feed=atom&amp;title=WG211%2FM21Glueck</id>
	<title>WG211/M21Glueck - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://mw.hh.se/wg211/index.php?action=history&amp;feed=atom&amp;title=WG211%2FM21Glueck"/>
	<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;action=history"/>
	<updated>2026-04-05T19:32:35Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.5</generator>
	<entry>
		<id>http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2301&amp;oldid=prev</id>
		<title>Robert at 09:59, 10 August 2022</title>
		<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2301&amp;oldid=prev"/>
		<updated>2022-08-10T09:59:27Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:59, 10 August 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires unconventional ways of thinking. Memoization is a classic program optimization technique that stores computation results in memory. How memoization can be made reversible without adding unbounded tracing is not immediately clear. This work-in-progress presention discusses a unconventional solution using cyclic state transition systems to memoize &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reversibly &lt;/del&gt;recurrence functions. The costs compare favorably to classic memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires unconventional ways of thinking. Memoization is a classic program optimization technique that stores computation results in memory. How memoization can be made reversible without adding unbounded tracing is not immediately clear. This work-in-progress presention discusses a unconventional solution using cyclic state transition systems to memoize &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reversible &lt;/ins&gt;recurrence functions. The costs compare favorably to classic memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Robert</name></author>
	</entry>
	<entry>
		<id>http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2300&amp;oldid=prev</id>
		<title>Robert at 09:58, 10 August 2022</title>
		<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2300&amp;oldid=prev"/>
		<updated>2022-08-10T09:58:54Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:58, 10 August 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires unconventional ways of thinking. Memoization is a classic program optimization technique that stores &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the &lt;/del&gt;computation results in memory. How memoization can be made reversible without adding unbounded tracing is not immediately clear. This work-in-progress presention discusses a unconventional solution using cyclic state transition systems to memoize reversibly recurrence functions. The costs compare favorably to classic memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires unconventional ways of thinking. Memoization is a classic program optimization technique that stores computation results in memory. How memoization can be made reversible without adding unbounded tracing is not immediately clear. This work-in-progress presention discusses a unconventional solution using cyclic state transition systems to memoize reversibly recurrence functions. The costs compare favorably to classic memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Robert</name></author>
	</entry>
	<entry>
		<id>http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2299&amp;oldid=prev</id>
		<title>Robert at 09:58, 10 August 2022</title>
		<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2299&amp;oldid=prev"/>
		<updated>2022-08-10T09:58:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:58, 10 August 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;an &lt;/del&gt;unconventional &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;way &lt;/del&gt;of thinking. Memoization is a classic program optimization technique that stores the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;result of a &lt;/del&gt;computation in memory. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Unfortunately, it is not immediately clear how &lt;/del&gt;memoization can be made reversible without adding unbounded tracing. This work-in-progress presention discusses a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;surprising &lt;/del&gt;solution using cyclic state transition systems to reversibly &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;memoize &lt;/del&gt;recurrence functions. The costs compare favorably to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;conventional &lt;/del&gt;memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;&quot;&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires unconventional &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ways &lt;/ins&gt;of thinking. Memoization is a classic program optimization technique that stores the computation &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;results &lt;/ins&gt;in memory. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;How &lt;/ins&gt;memoization can be made reversible without adding unbounded tracing &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is not immediately clear&lt;/ins&gt;. This work-in-progress presention discusses a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;unconventional &lt;/ins&gt;solution using cyclic state transition systems to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;memoize &lt;/ins&gt;reversibly recurrence functions. The costs compare favorably to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;classic &lt;/ins&gt;memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Robert</name></author>
	</entry>
	<entry>
		<id>http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2298&amp;oldid=prev</id>
		<title>Robert: Created page with &quot;The design and implementation of efficient algorithms for reversible computing systems requires an unconventional way of thinking. Memoization is a classic program optimizatio...&quot;</title>
		<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M21Glueck&amp;diff=2298&amp;oldid=prev"/>
		<updated>2022-08-10T09:56:06Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;The design and implementation of efficient algorithms for reversible computing systems requires an unconventional way of thinking. Memoization is a classic program optimizatio...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The design and implementation of efficient algorithms for reversible computing systems requires an unconventional way of thinking. Memoization is a classic program optimization technique that stores the result of a computation in memory. Unfortunately, it is not immediately clear how memoization can be made reversible without adding unbounded tracing. This work-in-progress presention discusses a surprising solution using cyclic state transition systems to reversibly memoize recurrence functions. The costs compare favorably to conventional memoization: bounded space and amortized linear running time. Joint work with Tetsuo Yokoyama.&lt;/div&gt;</summary>
		<author><name>Robert</name></author>
	</entry>
</feed>