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Tweaks to Tweakers

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Rasmus Lerdorf
2017-02-16 12:55:25 +01:00
parent 772faeb616
commit 31909beb68
3 changed files with 96 additions and 2 deletions
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49
slides/intro/web_impact.xml Normal file
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<slide title="" section="impact">
<blurb fontsize="20em" align="center">Saving the Planet?</blurb>
<break lines="1" section="impact1"/>
<list>
<bullet marginleft="-1em" fontsize="1.5em">Around 2 billion sites on the web</bullet>
<bullet marginleft="-1em" fontsize="1.5em">On 10 million physical machines</bullet>
<bullet marginleft="-1em" fontsize="1.5em">PHP drives at least 50%</bullet>
</list>
<break lines="1" section="impact2"/>
<list>
<bullet marginleft="-1em" fontsize="1.5em">Currently ~5% PHP 7 Adoption</bullet>
<bullet marginleft="-1em" fontsize="1.5em">which is about 250k physical servers</bullet>
</list>
<break lines="1" section="impact3"/>
<list>
<bullet marginleft="-1em" fontsize="1.5em">3000 KWH/year per server costs approx. US$400</bullet>
<bullet marginleft="-1em" fontsize="1.5em">Data center cooling doubles that</bullet>
<bullet marginleft="-1em" fontsize="1.5em">0.5kg CO2 per KWH</bullet>
</list>
<break lines="1" section="impact4"/>
<blurb fontsize="2em" align="left">At 5% Adoption</blurb>
<list>
<bullet marginleft="-1em" fontsize="1.5em">US $200M savings</bullet>
<bullet marginleft="-1em" fontsize="1.5em">750M KWH Savings</bullet>
<bullet marginleft="-1em" fontsize="1.5em">375M kg less CO2</bullet>
</list>
<break lines="1" section="impact5"/>
<blurb fontsize="2em" align="left">At 100% Adoption</blurb>
<list>
<bullet marginleft="-1em" fontsize="1.5em">$4B savings</bullet>
<bullet marginleft="-1em" fontsize="1.5em">15B KWH Savings</bullet>
<bullet marginleft="-1em" fontsize="1.5em">7.5B kg less CO2</bullet>
</list>
<break lines="1" section="impact6"/>
<blurb fontsize="20em" align="left">Do your part</blurb>
<blurb fontsize="20em" align="left">Upgrade to PHP 7!</blurb>
</slide>

48
tweakers.html
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@@ -336,6 +336,50 @@ $ make -j8 prof-use</code></pre>
<section id="prod_mem">
<img src="/presentations/slides/intro/mem.png" align="center" width="882" height="465">
</section> </section>
<section>
<section id="impact">
<h1 style="text-align:center;">Saving the Planet?</h1>
</section>
<section id="impact1">
<ul>
<li style="font-size: 1.5em;margin-left: -1em;">Around 2 billion sites on the web</li>
<li style="font-size: 1.5em;margin-left: -1em;">On 10 million physical machines</li>
<li style="font-size: 1.5em;margin-left: -1em;">PHP drives at least 50%</li>
</ul>
</section>
<section id="impact2">
<ul>
<li style="font-size: 1.5em;margin-left: -1em;">Currently ~5% PHP 7 Adoption</li>
<li style="font-size: 1.5em;margin-left: -1em;">which is about 250k physical servers</li>
</ul>
</section>
<section id="impact3">
<ul>
<li style="font-size: 1.5em;margin-left: -1em;">3000 KWH/year per server costs approx. US$400</li>
<li style="font-size: 1.5em;margin-left: -1em;">Data center cooling doubles that</li>
<li style="font-size: 1.5em;margin-left: -1em;">0.5kg CO2 per KWH</li>
</ul>
</section>
<section id="impact4">
<p class="p" style="font-size:2em;text-align:left;">At 5% Adoption</p>
<ul>
<li style="font-size: 1.5em;margin-left: -1em;">US $200M savings</li>
<li style="font-size: 1.5em;margin-left: -1em;">750M KWH Savings</li>
<li style="font-size: 1.5em;margin-left: -1em;">375M kg less CO2</li>
</ul>
</section>
<section id="impact5">
<p class="p" style="font-size:2em;text-align:left;">At 100% Adoption</p>
<ul>
<li style="font-size: 1.5em;margin-left: -1em;">$4B savings</li>
<li style="font-size: 1.5em;margin-left: -1em;">15B KWH Savings</li>
<li style="font-size: 1.5em;margin-left: -1em;">7.5B kg less CO2</li>
</ul>
</section>
<section id="impact6">
<h1 style="text-align:left;">Do your part</h1>
<h1 style="text-align:left;">Upgrade to PHP 7!</h1>
</section> </section>
<section>
<section id="php7">
<img src="/presentations/slides/intro/php7trans-200.png" width="" height="">
@@ -555,8 +599,8 @@ $bytes = random_bytes(10);
var_dump( $int );
var_dump( bin2hex($bytes) );</code></pre>
<pre class="output" style="font-size:1.2em;">int(-214)
string(20) "e0d8bc16e7d8e8f581a8"
<pre class="output" style="font-size:1.2em;">int(-430)
string(20) "bc346f91e6b37e6ba64d"
</pre> </section> </section>
<section>
<section id="php71">

1
tweakers.xml
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@@ -36,6 +36,7 @@
<slide>slides/intro/wp2017.xml</slide>
<slide>slides/intro/smemwp2017.xml</slide>
<slide>slides/intro/php7prod.xml</slide>
<slide>slides/intro/web_impact.xml</slide>
<slide>slides/intro/php7_2017.xml</slide>
<slide>slides/intro/php71_2017.xml</slide>