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DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
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DTSTART:19701101T020000
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DTSTAMP:20230124T171525Z
LOCATION:D221
DTSTART;TZID=America/Chicago:20221113T092000
DTEND;TZID=America/Chicago:20221113T094000
UID:submissions.supercomputing.org_SC22_sess431_miscc190@linklings.com
SUMMARY:Wait!  This Is the Bad Place! –– Common Misconceptions of Hardware
  and Impact on Codesign
DESCRIPTION:Workshop\n\nWait!  This Is the Bad Place! –– Common Misconcept
 ions of Hardware and Impact on Codesign\n\nMinnich\n\nDesigns of integrate
 d stacks on, e.g., x86 systems, often build on a fiction that does not exi
 st: that of a 1994-era Pentium over which the software has complete contro
 l. As we have worked to point out since 1999, this is a fiction: in fact, 
 kernels run on a virtual system over which they have little control. This 
 would be fine if it did not affect performance, but it can in the end have
  significant throughput impacts, e.g., on some modern systems, entire sock
 ets can stop for 1/2 a second at a time.\n\nI will discuss some of the cas
 es in which these Potemkin Villages have caused real trouble and suggest p
 ossible ways to deal with them on old (x86) and new (RISC-V) systems.\n\nS
 ession Format: Recorded\n\nTag: Architectures, Data Analytics, Datacenter,
  Extreme Scale Computing, HPC Community Collaboration, Machine Learning an
 d Artificial Intelligence, Performance, Resource Management and Scheduling
 , System Software\n\nRegistration Category: Workshop Reg Pass
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