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VERSION:2.0
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SUMMARY:Axisymmetric critical collapse on a shoestring
DTSTART:20230216T143000Z
DTEND:20230216T160000Z
DTSTAMP:20260730T192702Z
UID:e21e77f5-3f4f-46f2-b244-d5a71b361c1b
SEQUENCE:1
CREATED:20230210T151459Z
DESCRIPTION: ABSTRACT: The study of vacuum critical collapse has acquired 
 an aura of unapproachability in its 30 years of existence. It is often tho
 ught that only highly sophisticated numerical methods together with immens
 e supercomputer clusters will suffice for treating this problem. My recent
 ly defended PhD thesis questions this folk lore by using only open-source 
 code running on single machines to discover universal echoing in near-crit
 ical axisymmetric vacuum spacetimes. In this talk I will discuss my work f
 rom the software-development perspective. I will describe the approaches\,
  tools\, and techniques I used to make the most of the limited development
  manpower and computing resources available to me. Some of these\, such as
  writing assembly code by hand in order to access vector capabilities of m
 odern CPUs\, come from my multimedia-software background and are not commo
 nly encountered in physics codes.  
LAST-MODIFIED:20230210T151459Z
LOCATION:Sala de Seminários do DF\,  Pavilhão de Física\, 2º piso
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/axisymmetric-critical-coll
 apse-on-a-shoestring/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="6cvj9"> ABSTRACT: </p><p d
 ata-block-key="71c3u">The study of vacuum critical collapse has acquired a
 n aura of unapproachability in its 30 years of existence. It is often thou
 ght that only highly sophisticated numerical methods together with immense
  supercomputer clusters will suffice for treating this problem. My recentl
 y defended PhD thesis questions this folk lore by using only open-source c
 ode running on single machines to discover universal echoing in near-criti
 cal axisymmetric vacuum spacetimes. In this talk I will discuss my work fr
 om the software-development perspective. <br/><br/>I will describe the app
 roaches\, tools\, and techniques I used to make the most of the limited de
 velopment manpower and computing resources available to me. Some of these\
 , such as writing assembly code by hand in order to access vector capabili
 ties of modern CPUs\, come from my multimedia-software background and are 
 not commonly encountered in physics codes.  </p>
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