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SUMMARY:Where Has My Time Gone? - Diana Andreea Popescu (Computer Lab)
DTSTART:20170316T150000Z
DTEND:20170316T160000Z
UID:TALK71490@talks.cam.ac.uk
CONTACT:Liang Wang
DESCRIPTION:Abstract: Time matters. In a networked world\, we would like m
 obile devices to provide a crisp user experience and applications to insta
 ntaneously return results. Unfortunately\, application performance does no
 t depend solely on processing time\, but also on a number of different com
 ponents that are commonly counted in the overall system latency. Latency i
 s more than just a nuisance to the user\, poorly accounted-for\, it degrad
 es application performance. In fields such as high frequency trading\, as 
 well as in many data centers\, latency translates easily to financial loss
 es. Research to date has focused on specific contributions to latency: fro
 m improving latency within the network to latency control on the applicati
 on level. This paper takes an holistic approach to latency\, and aims to p
 rovide a break-down of end-to-end latency from the application level to th
 e wire. Using a set of crafted experiments\, we explore the many contribut
 ors to latency. We assert that more attention should be paid to the latenc
 y within the host\, and show that there is no silver bullet to solve the e
 nd-to-end latency challenge in data centers. We believe that a better unde
 rstanding of the key elements influencing data center latency can trigger 
 a more focused research\, improving the user’s quality of experience.\n\
 nThis is the paper published in PAM 2017. The authors are: Noa Zilberman\,
  Matthew Grosvenor\, Diana Andreea Popescu\, Neelakandan Manihatty-Bojan\,
  Gianni Antichi\, Marcin Wojcik\, and Andrew W. Moore
LOCATION:FW26\, Computer Laboratory\, William Gates Building
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