X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=sixth.git;a=blobdiff_plain;f=doc%2Findex.html;h=e2d58190031a66734190812ebefa76a7c9d930e8;hp=d4ebd75fa67401bdbe892c136aa28b166896e065;hb=1181b6a8f25ef632e4e8e514f509c2fb78b90986;hpb=2feef58c553d58650c5ffb8e5d92ca08a8474687

diff --git a/doc/index.html b/doc/index.html
index d4ebd75..e2d5819 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -2,12 +2,12 @@
 <html lang="en">
 <head>
 <title>Sixth - system for data storage, computation, exploration and interaction</title>
-<!-- 2017-05-15 Mon 02:04 -->
+<!-- 2018-06-22 Fri 01:38 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta name="generator" content="Org-mode">
 <meta name="author" content="Svjatoslav Agejenko">
-<link href="https://bootswatch.com/darkly/bootstrap.min.css" rel="stylesheet">
+<link href="https://bootswatch.com/4/darkly/bootstrap.min.css" rel="stylesheet">
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.1/js/bootstrap.min.js"></script>"
 <style type="text/css">
@@ -198,12 +198,19 @@ $(function() {
 <div class="row"><div class="col-md-9"><h1 class="title">Sixth - system for data storage, computation, exploration and interaction</h1>
 <hr >
 <ul class="org-ul">
-<li><a href="http://www2.svjatoslav.eu/gitweb/?p=sixth.git;a=snapshot;h=HEAD;sf=tgz">download latest snapshot</a>
+<li>Clone GIT repository using commanad:
+<pre class="example">
+git clone http://www2.svjatoslav.eu/git/sixth.git
+</pre>
 </li>
 
-<li>This program is free software; you can redistribute it and/or modify it under
-the terms of version 3 of the <a href="https://www.gnu.org/licenses/lgpl.html">GNU Lesser General Public License</a> or later as
-published by the Free Software Foundation.
+<li><a href="http://www2.svjatoslav.eu/gitweb/?p=sixth.git;a=snapshot;h=HEAD;sf=tgz">Download latest snapshot in TAR GZ format</a>
+</li>
+
+<li>This program is free software: you can redistribute it and/or modify
+it under the terms of the <a href="https://www.gnu.org/licenses/lgpl.html">GNU Lesser General Public License</a> as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
 </li>
 
 <li>Program author:
@@ -217,24 +224,23 @@ published by the Free Software Foundation.
 </ul>
 </li>
 
-<li><a href="http://svjatoslav.eu/programs.jsp">other applications hosted at svjatoslav.eu</a>
+<li><a href="http://www.svjatoslav.eu/projects/">Other software projects hosted at svjatoslav.eu</a>
 </li>
 </ul>
 
 <div id="outline-container-sec-1" class="outline-2">
-<h2 id="sec-1"><a id="ID-1f4e1c17-d25f-4d92-aa9b-5785f1d86f4f" name="ID-1f4e1c17-d25f-4d92-aa9b-5785f1d86f4f"></a><span class="section-number-2">1</span> Vision / goal - A tool to amplify human ability</h2>
+<h2 id="sec-1"><a id="ID-1f4e1c17-d25f-4d92-aa9b-5785f1d86f4f" name="ID-1f4e1c17-d25f-4d92-aa9b-5785f1d86f4f"></a><span class="section-number-2">1</span> Vision - A tool to amplify human ability</h2>
 <div class="outline-text-2" id="text-1">
-<p>
-In short, this is what I want:
+<p class="verse">
+Makes lots of complex data intuitive to:<br >
+&#xa0;&#xa0;- explore, understand<br >
+&#xa0;&#xa0;- manipulate and compute on<br >
+<br >
+by extensively relying on:<br >
+&#xa0;&#xa0;- <a href="http://www3.svjatoslav.eu/projects/sixth-3d/">Realtime 3D graphics</a> with immediate feedback loop.<br >
+&#xa0;&#xa0;- <a href="http://www3.svjatoslav.eu/projects/sixth-data/">Flexible and distributed computation and data storage</a>.<br >
 </p>
 
-<ul class="org-ul">
-<li><a href="#sec-1-1">Perfect data storage and computation engine</a>
-</li>
-
-<li>Feeds lots of complex data into your brain in intuitive to explore,
-understand and manipulate form by extensively relying on realtime 3D
-graphics and fast feedback loop. (including virtual reality support)
 
 <blockquote>
 <p>
@@ -242,116 +248,99 @@ graphics and fast feedback loop. (including virtual reality support)
 Dr. Lawrence Angelo, The Lawnmower Man (1992)
 </p>
 </blockquote>
-</li>
-</ul>
+</div>
 </div>
 
-
-<div id="outline-container-sec-1-1" class="outline-3">
-<h3 id="sec-1-1"><a id="ID-4224d52c-2ee1-411a-bd89-77c286322b21" name="ID-4224d52c-2ee1-411a-bd89-77c286322b21"></a><span class="section-number-3">1.1</span> Perfect data storage and computation engine</h3>
-<div class="outline-text-3" id="text-1-1">
-<p>
-I love thease existing solutions and properties:
-</p>
-
-<ul class="org-ul">
-<li>Lisp (programming language):
+<div id="outline-container-sec-2" class="outline-2">
+<h2 id="sec-2"><span class="section-number-2">2</span> Current status</h2>
+<div class="outline-text-2" id="text-2">
 <ul class="org-ul">
-<li>Almost no syntax.
-</li>
-<li>Code and data intercangeable.
-</li>
-<li>Easily self modifying.
-</li>
-</ul>
+<li>Formulated high-level <a href="#sec-1">vision / goal</a>.
 </li>
 
-<li>Smalltalk (programming language / runtime):
+<li>In the process of implementing some of building blocks:
 <ul class="org-ul">
-<li>Everything is object.
+<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-data/doc/index.html">Data storage engine.</a>
 </li>
-<li>On the fly modifiable / reprogrammable.
+
+<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-3d/doc/index.html">In software, pure Java realtime 3D rendering engine.</a>
+<ul class="org-ul">
+<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-3d-demos/doc/index.html">3D engine demos</a>
 </li>
-<li>Anything can be suspended/resumed from persistent storage on the
-fly.
+</ul>
 </li>
 </ul>
 </li>
 
-<li>Relational databases:
-<ul class="org-ul">
-<li>Transactional
-</li>
-<li>Indexable / Quickly searchable
+<li>System is nowhere near complete (given magnitude of effort required
+and my free time available). Contributions welcome ! :)
 </li>
 </ul>
+</div>
+</div>
+
+<div id="outline-container-sec-3" class="outline-2">
+<h2 id="sec-3"><span class="section-number-2">3</span> Computation ideas</h2>
+<div class="outline-text-2" id="text-3">
+<ul class="org-ul">
+<li>Program - stored instructions for execution by computer.
 </li>
 
-<li>Git (version control system)
+<li>Process - Currently running program.
+<ul class="org-ul">
+<li>Process is self contained. Has a full copy of program code and
+every dependent library.
+
 <ul class="org-ul">
-<li>Versionable
+<li>Memory used by processes is content addressed/deduplicated at
+low level in the system.
 </li>
-<li>Branchable / mergeable.
+
+<li>This allows:
+<ul class="org-ul">
+<li>Upgrading software installed in the system without breaking
+already running processes.
 </li>
-<li>Transparent cansistency, checksumming and deduplication.
+
+<li>Easier migration of running processes between physical
+computers.
 </li>
-</ul>
+
+<li>Possibility to suspend/resume arbitrary processes to permament
+storage.
 </li>
 
-<li>Hadoop (computation system):
-<ul class="org-ul">
-<li>Many individual connected computers behave as one big
-computer. System is horizontally linearly scalable.
+<li>Possibility checkpoint/revert running process.
 </li>
-<li>Programming abstraction and execution model that naturally divides
-problems te be solved in parallel and result easily combined.
+
+<li>Possibility to clone/branch running process.
 </li>
-<li>Data is spread across nodes, automatic failover, built in
-resiliency.
+</ul>
 </li>
-<li>Small pieces of code are automatically transferred to the node
-that contains relatively big data that needs processing (network
-efficiency).
+</ul>
 </li>
 </ul>
 </li>
 </ul>
-
-
-<p>
-I hate to choose between good things. Figuring out a way to combine
-above properties in one system would be beyond awesome.
-</p>
-
-<p>
-(I have not solved it yet..)
-</p>
-</div>
 </div>
 </div>
-<div id="outline-container-sec-2" class="outline-2">
-<h2 id="sec-2"><span class="section-number-2">2</span> Current status</h2>
-<div class="outline-text-2" id="text-2">
-<ul class="org-ul">
-<li>Formulated high-level <a href="#sec-1">vision / goal</a>.
-</li>
 
-<li>In the process of implementing some of building blocks:
+<div id="outline-container-sec-4" class="outline-2">
+<h2 id="sec-4"><span class="section-number-2">4</span> Frequently Given Answers</h2>
+<div class="outline-text-2" id="text-4">
 <ul class="org-ul">
-<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-data/doc/index.html">First layer of storage: Simple persistent key-value map.</a>
-</li>
-
-<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-3d/doc/index.html">In software, pure Java realtime 3D rendering engine.</a>
+<li>Why such name ?
 <ul class="org-ul">
-<li><a href="http://www2.svjatoslav.eu/gitbrowse/sixth-3d-demos/doc/index.html">3D engine demos</a>
+<li>In short: it's just a number.
 </li>
-</ul>
+<li>Many years ago inspired by the ideas of <a href="https://en.wikipedia.org/wiki/Forth_(programming_language)">Forth (programming
+language)</a> I decided to create my own implementation <a href="http://www3.svjatoslav.eu/projects/fifth/">Fifth</a>
+(computing/programming environment).
 </li>
-</ul>
+<li>Then I realized I miss type safe object oriented capabilities. So
+I updated the name to Sixth and switched to Java.
 </li>
-
-<li>System is nowhere near complete (given magnitude of effort required
-and my free time available). Contributions welcome ! :)
+</ul>
 </li>
 </ul>
 </div>
@@ -359,19 +348,17 @@ and my free time available). Contributions welcome ! :)
 </div><div class="col-md-3"><nav id="table-of-contents">
 <div id="text-table-of-contents" class="bs-docs-sidebar">
 <ul class="nav">
-<li><a href="#sec-1">1. Vision / goal - A tool to amplify human ability</a>
-<ul class="nav">
-<li><a href="#sec-1-1">1.1. Perfect data storage and computation engine</a></li>
-</ul>
-</li>
+<li><a href="#sec-1">1. Vision - A tool to amplify human ability</a></li>
 <li><a href="#sec-2">2. Current status</a></li>
+<li><a href="#sec-3">3. Computation ideas</a></li>
+<li><a href="#sec-4">4. Frequently Given Answers</a></li>
 </ul>
 </div>
 </nav>
 </div></div></div>
 <footer id="postamble" class="">
 <div><p class="author">Author: Svjatoslav Agejenko</p>
-<p class="date">Created: 2017-05-15 Mon 02:04</p>
+<p class="date">Created: 2018-06-22 Fri 01:38</p>
 <p class="creator"><a href="http://www.gnu.org/software/emacs/">Emacs</a> 25.1.1 (<a href="http://orgmode.org">Org-mode</a> 8.2.10)</p>
 </div>
 </footer>
