Architecture: Pierfrancesco Foglia/Universita di Pisa Way Adaptable D-Nuca Cache in ACES 2.402
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Sp
eaker Name/Affiliation: Pierfrancesco Foglia/Universita di Pisa
Dat
e/Time: Thursday September 21 2006 at 3:30 pm
Location: ACES 2.402
Host: Yale Patt
Talk Title: Way Adaptable D-Nuca Cache
Talk Abstract:
Power consumption is an increasing pressing problem
in the
design of high performance CPUs; Leakage or Static power willrapidly become a major source of such dissipation. Different
technique
s to reduce static power consumption have been
developed in the research
environment. The Way Adaptable D-Nuca
cache represents the results of o
ur activity on applying such
techniques to large wire delay dominated
L2 caches. In a Way
Adaptable D-Nuca cache by exploiting typical featu
res of
D-NUCA design we dynamically activate or deactivate entire
wa
ys on the basis of the application working set thus adapting
the size o
f the powered-on portion of L2 cache to the needs of
the running applica
tions. This imply a reduction of L2 cache
static power consumption with
negligible performance
degradation .and also some other little but perha
ps surprising
effects.
Speaker Bio:
Pierfrancesco Foglia i
s an Assistant Professor at the
Information Engineering Department of th
e University of Pisa.
His research interest lies in Computer Architectur
e including
Coherence Protocols Cache memories and Operating Systemeffects. His other research interests include Computer Networks
and Co
mputer Systems Usability. He has developed for Siemens
ICN a manager for
a network of GSM devices and in the
framework of the EU SPP project h
e defined coherence solutions
for a cartographic multiprocessor system.
He received his MS
and Ph.D. from the University of Pisa.
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