The
La
bo
rato
ry f
or
Com
pute
r A
rch
i-te
ctu
re (L
CA
) is
a re
se
arc
h gro
up
with
in th
e D
ep
art
me
nt
of
Ele
ctr
ica
l a
nd
C
om
pu
ter
En
gin
ee
rin
g a
t T
he
Un
ive
rsity o
f T
exa
s at
Au
stin
. T
he
la
b
is
dire
cte
d
by
Dr.
L
izy
Ku
ria
n
Jo
hn
an
d is
p
art
of
the
C
om
pu
ter
En
gin
ee
rin
g
Re
se
arc
h
Ce
nte
r (C
ER
C).
T
he
mem
be
rs o
f th
e L
abo
rato
ry f
or
Co
mpu
ter
Arc
hite
ctu
re
are
in
ve
sti-
ga
tin
g
se
ve
ral
top
ics
in
co
mp
ute
r a
rch
ite
ctu
re.
Som
e
of
ou
r cu
rre
nt
rese
arc
h in
tere
sts
in
clu
de
: •
Pe
rfo
rma
nce Im
pa
ct
of
Co
nte
m-
po
rary
Pro
gra
mm
ing P
ara
dig
ms
•
Em
erg
ing W
ork
load
s
•
Arc
hite
ctu
res f
or
Em
erg
ing
Work
load
s
•
Work
load
Ch
ara
cte
riza
tio
n
•
Pe
rfo
rma
nce M
ode
ling
•
Lo
w P
ow
er
Arc
hite
ctu
res
•
Arc
hite
ctu
ral a
nd
Com
pile
r O
p-
tim
iza
tio
ns f
or
Imp
rovin
g P
er-
form
an
ce
an
d R
edu
cin
g E
ne
rgy
Fall 2
005
20
04
20
03
19
99
19
99
Liz
y K
uri
an
Jo
hn
O
ffic
e: A
CE
S 3
.114
Phone:(
512)
232-1
455
Fax:(
512)
471-2
893
Em
ail:
ljo
hn@
ece.u
texas.e
du
Hom
e p
ag
e:
htt
p://w
ww
.ece.u
texas.e
du/~
ljohn/
Ma
iling
Addre
ss: D
epart
ment of
Ele
ctr
ical and C
om
pute
r E
ng
ineering
U
niv
ers
ity o
f T
exas a
t A
ustin
1 U
niv
ers
ity S
tation C
0803
Austin, T
X 7
8712-0
240
Am
y L
evin
O
ffic
e: A
CE
S 3
.112
Phone:(
512)
232-7
941
Fax:(
512)
471-2
893
Em
ail:
levin
a@
eng
r.ute
xas.e
du
LC
A W
eb
Sit
e:
htt
p:/
/lca.e
ce.u
texas.e
du
P
erf
orm
an
ce I
mp
act
of
Em
erg
ing
Wo
rklo
ad
s
The g
row
th o
f in
form
ation t
echnolo
gy h
as r
esulted in
th
e p
rolif
era
tion o
f com
pu
ters
to e
very
aspect
of
hu-
man life.
In a
dditio
n t
o s
cie
ntific/technic
al w
ork
loads,
gen
era
l p
urp
ose
work
loa
ds,
Java,
ob
ject-
ori
ente
d,
netw
ork
pro
cessor,
file
-syste
m,
multi-
media
, d
ata
-base
, ele
ctr
onic
com
merc
e,
web-s
erv
ers
, m
ail-
serv
ers
, gra
phic
s,
sp
eech r
ecog
nitio
n,
ima
ge r
eco
g-
nitio
n,
life
scie
nces,
ph
arm
aceu
ticals
, an
d
severa
l oth
er
cate
gori
es of
work
loa
ds have m
ade in
to th
e
main
-str
eam
. R
ese
arc
h a
t th
e L
ab
ora
tory
for
Com
-pute
r A
rchitectu
re (
LC
A)
is d
irecte
d a
t u
nd
ers
tandin
g
the p
erf
orm
ance o
f th
ese e
merg
ing a
pplic
atio
ns o
n
curr
ent
arc
hitectu
res
an
d
develo
pin
g
arc
hitectu
ral
enh
ancem
ents
to im
pro
ve t
heir
perf
orm
ance
. P
erf
orm
an
ce a
nd
Po
wer
Mo
delin
g
Com
pute
r syste
ms a
re b
ecom
ing i
ncre
asin
gly
com
-ple
x,
bo
th f
rom
hard
ware
an
d s
oft
ware
pers
pectives.
Sim
ula
tio
n,
whic
h i
s a
very
pop
ula
r to
ol
am
ong d
e-
sig
ners
ta
kes very
lo
ng du
e to
com
ple
x hard
ware
and
lo
ng
run
nin
g
benchm
ark
s.
This
pro
ble
m
be-
com
es w
ors
e d
uri
ng
perf
orm
ance
evalu
atio
n w
here
a lo
t of
data
nee
ds t
o a
naly
ze
d.
The p
roje
ct
focuses
on in
vestigating
m
ath
em
atical
and
sta
tistical
tech-
niq
ues
to
optim
ize
the
pro
cess
of
sim
ula
tio
n
an
d
reduce t
he
eff
ort
for
perf
orm
ance
evalu
ation
. S
om
e
of
the a
ppro
aches i
nvestig
ate
d i
nclu
de
usin
g s
am
-plin
g t
o r
ed
uce s
imula
tion t
ime,
develo
pin
g s
ynth
etic
benchm
ark
s t
ha
t are
re
pre
senta
tive o
f th
e r
eal w
orl
d
benchm
ark
s,
findin
g re
pre
senta
tive be
nchm
ark
s in
th
e
suite
to
red
uce
sim
ula
tion
eff
ort
. T
hese
ap-
pro
aches i
nclu
de a
very
de
taile
d c
hara
cte
rization o
f w
ork
loads,
develo
pm
en
t of
metr
ics
for
sim
ilari
ty,
clu
ste
ring
techniq
ues
an
d
work
load
an
aly
sis
. T
he
te
ch
niq
ues a
re u
sefu
l fo
r m
odelin
g n
ot
only
perf
orm
-ance bu
t als
o of
po
wer
an
d en
erg
y.
Som
e of
the
develo
ped
clu
ste
ring
tech
niq
ues a
re b
ein
g u
sed
in
th
e s
ele
ction of
SP
EC
's ne
xt
suite o
f C
PU
be
nch-
mark
s.
Em
bed
ded
Ja
va A
cc
ele
rati
on
W
ith t
he i
ncre
asin
g d
em
an
ds p
laced
on m
obile
sys-
tem
s fo
r lo
ng ba
ttery
lif
e,
hig
h
perf
orm
ance com
-bin
ed w
ith t
he
ever
pre
se
nt
nee
d f
or
low
cost,
em
-bed
de
d m
obile
syste
ms p
resent
an f
ert
ile g
roun
d f
or
both
hard
ware
and s
oft
ware
enh
ancem
ents
.
Dr.
L
izy K
uri
an
Jo
hn
dir
ects
the L
abora
tory
fo
r C
om
pute
r A
rchitectu
re
(LC
A).
S
he
is
an
A
sso
cia
te
pro
fesso
r a
nd
E
ng
ine
eri
ng
F
oun
da
tion C
ente
nnia
l T
eachin
g F
ello
w i
n t
he
E
lectr
ica
l a
nd
C
om
pu
ter
En
gin
ee
rin
g
dep
art
men
t at
UT
Austin.
Sh
e r
eceiv
ed h
er
Ph.
D in C
om
pute
r E
ngin
eeri
ng f
rom
Penn S
tate
in
199
3.
Sh
e
has
receiv
ed
severa
l a
ward
s
inclu
din
g
the
20
03
T
exas
Exes
teachin
g
aw
ard
, th
e U
T A
ustin
Engin
eeri
ng
Fo
un
da
tion
F
aculty aw
ard
(2
001),
th
e H
alli
burt
on
Y
ou
ng
F
aculty a
ward
(1
99
9),
an
d t
he N
SF
CA
RE
ER
aw
ard
. S
he
is
a
mem
ber
of
IEE
E,
IEE
E
Com
pute
r S
ocie
ty,
AC
M,
an
d A
CM
SIG
AR
CH
. S
he i
s a
lso a
mem
ber
of
Eta
Ka
pp
a N
u,
Tau
B
eta
Pi an
d P
hi K
ap
pa P
hi H
onor
Socie
ties.
Our
work
focuses o
n e
nh
an
cin
g t
he p
erf
orm
ance
of
Java
for
mobile
pla
tform
s.
Arc
hitectu
ral
en-
hancem
ents
rela
tin
g t
o c
od
e c
ach
e m
an
ag
em
ent,
dynam
ic b
yte
co
de
str
eam
optim
izatio
n,
and
ru
n-
tim
e p
rofile
guid
ed o
ptim
iza
tion a
re i
nvestig
ate
d.
The p
roje
ct is
fu
nd
ed b
y S
am
sung,
Kore
a.
Lo
w P
ow
er
an
d A
dap
tive A
rch
itectu
res
Min
imiz
ing p
ow
er
and
en
erg
y h
as b
ecom
e a
ne-
cessity
duri
ng
desig
n
of
mic
ropro
cessors
a
nd
com
pute
r syste
ms.
We a
re i
nvolv
ed i
n d
evelo
pin
g
hard
ware
and
soft
ware
tech
niq
ues t
o r
educe a
nd
m
ana
ge p
ow
er
co
nsum
ptio
n.
On
e a
ppro
ach i
s t
o
ada
pt
the
hard
ware
to
se
lectively
use
po
wer-
hun
gry
hard
ware
only
whe
n n
ee
de
d.
The
success
of
this
tech
niq
ue d
ep
en
ds o
n t
he a
bili
ty t
o d
ete
ct
regio
ns w
here
hard
ware
sh
ould
be s
cale
d u
p o
r do
wn.
We e
mplo
y w
ork
loa
d c
hara
cte
rizatio
n a
nd
phase dete
ctio
n t
o c
orr
ectly i
den
tify
eff
ective r
e-
gio
ns f
or
po
wer
ma
na
gem
en
t
Ru
nti
me Id
en
tifi
cati
on
of
Mic
rop
rocesso
r E
nerg
y S
av
ing
Op
po
rtu
nit
ies
W. Llo
yd B
irch
er,
Ma
dha
vi V
allu
ri, L
izy J
ohn,
and J
aso
n L
aw
,
Inte
rna
tio
na
l S
ymposiu
m o
n L
ow
Po
wer
Ele
c-
tronic
s a
nd D
esig
n.
pp 2
75-2
80.
Au
gust 2
005
Red
ucin
g S
erv
er
Data
Tra
ffic
usin
g a
Hie
rar-
ch
ical
Co
mp
uta
tio
n M
od
el
Juan R
ubio
an
d L
izy K
. Jo
hn,
IEE
E T
ransactions o
n P
ara
llel
an
d D
istr
ibute
d
Syste
ms.
Vol. 1
6.
No.
10.
pp 9
33-9
43
. O
cto
ber
2005
Imp
licati
on
s o
f E
xe
cu
tin
g C
om
pre
ssio
n a
nd
E
ncry
pti
on
Ap
plicati
on
s o
n G
en
era
l P
ur-
po
se P
roce
sso
rs
Bye
on
g K
il Le
e a
nd L
izy K
. John,
IEE
E T
ransactio
ns o
n C
om
pute
rs.
Vol. 5
4.
No.
7. pp
91
7-9
22
. July
2005
. L
ocality
Based
On
-Lin
e T
race
Co
mp
ressio
n
Yue L
uo
an
d L
izy K
. Joh
n,
IEE
E T
ransactio
ns o
n C
om
pute
rs.
Vol. 5
3.
No.
6. pp
72
3-7
31
. June
20
04
Ben
ch
ma
rkin
g In
tern
et
Serv
ers
on
Su
pe
rsc
a-
lar
Mach
ines
Yue L
uo
, Jua
n R
ubio
, L
izy J
ohn,
Patt
abi S
esha-
dri, a
nd A
lex M
ericas
,
IEE
E C
om
pute
r pp 3
4-4
0,
Febru
ary
20
03
Sim
ula
tin
g C
om
merc
ial
Jav
a T
hro
ug
hp
ut
Wo
rklo
ad
s:
A C
ase
Stu
dy
Yue L
uo
an
d L
izy J
ohn,
Inte
rna
tio
na
l C
onfe
rence o
n C
om
pute
r D
esig
n
(IC
CD
). O
cto
ber
200
5
Ev
alu
ati
ng
MM
X T
ech
no
log
y U
sin
g D
SP
an
d
Mu
ltim
ed
ia A
pp
licati
on
s
Ravi
Bharg
ava,
Liz
y J
ohn,
Bri
an L
. E
vans,
an
d
Ram
esh R
adhakrishnan,
IEE
E S
ymp
osiu
m on M
icro
arc
hitectu
re.
pp 37-
46. D
ecem
ber
1998
Perf
orm
an
ce E
valu
ati
on
an
d
Ben
ch
ma
rkin
g
Liz
y K
uri
an J
ohn ,
Lie
ve
n E
eckhout,
Ta
ylor
an
d F
rancis
, C
RC
pre
ss
LC
A e
xpre
sses its
de
ep g
ratitu
de t
o t
he f
ollo
win
g o
rga
niz
ations f
or
supp
ort
ing its
researc
h.
WW
C (
Work
shop o
n W
ork
load C
hara
cte
rization)
whic
h D
r. L
izy J
oh
n
org
an
ized d
uri
ng 1
998-2
00
4 h
as e
vo
lved into
an I
EE
E Inte
rnationa
l S
ymposiu
m (
http://w
ww
.iis
wc.o
rg)
H
ari
A
ng
ep
at
is a
Maste
rs
stu
dent
who
join
ted t
he
LC
A
gro
up i
n 2
00
4.
He h
as a
de-
gre
e fr
om
M
cgill
U
niv
ers
ity,
Cana
da.
He
is
work
ing
on
em
bedded j
ava p
erf
orm
ance
chara
cte
rization
an
d re
late
d
arc
hitectu
ral e
nha
ncem
ents
.
Jaso
n M
ata
lka is
a M
aste
rs
stu
dent
in LC
A.
H
e jo
ined
LC
A in 2
00
3 a
nd h
as a
BS
in
E
E fr
om
U
T A
ustin.
H
e is
curr
ently
rese
arc
hin
g
diffe
r-ent
appro
aches fo
r in
cre
as-
ing
Ja
va
perf
orm
ance
via
hard
ware
accele
ration.
S
ean
L
eath
er
Sean
Leath
er
is purs
uin
g a M
.S.
in C
om
-pute
r E
ng
ineeri
ng.
He j
oin
ed
U
T i
n 2
003 a
fter
gra
duating
fr
om
W
ashin
gto
n
Un
ivers
ity
in
St.
Lo
uis
w
ith
a
dou
ble
m
ajo
r in
Com
pute
r E
ngin
eering a
nd C
om
pute
r S
cie
nce
. H
is re
se
arc
h in
volv
es sim
ula
tio
n re
-ductio
n
and
phase
beh
avio
r of
transactio
n
pro
cessin
g w
ork
loads.
T
yle
r O
lsen
is
a M
.S.
stu
-dent
who
join
ed
in
Aug
ust
2004
. H
e h
as a
B.S
. in
co
m-
pute
r en
gin
eeri
ng
fr
om
P
ur-
due U
niv
ers
ity.
He is w
ork
ing
on r
epre
se
nta
tive t
race g
en-
era
tio
n u
sin
g p
hase p
rofilin
g
of
perf
orm
ance m
onitor
da
ta.
.
Dr.
Ram
esh
Rad
hak
rish
nan
gra
du
ate
d fr
om
U
T A
ustin
in
A
ug
ust
2000
. H
e
join
ed
the
S
erv
er
an
d S
tora
ge P
erf
orm
-ance T
eam
at
Dell
wh
ere
his
duties
inclu
ded
perf
orm
ance
eva
luation
and
ana
lysis
of
serv
er
and s
tora
ge s
yste
ms,
perf
orm
ance p
ro-
jections
for
ente
rpri
se
serv
ers
, com
petitive
ana
lysis
, arc
hitectu
ral
tra
deoff
analy
sis
and
desig
n s
upp
ort
. S
ince J
un
e 2
004
, he h
as b
een
w
ork
ing a
s a
se
nio
r desig
n e
ngin
eer
in D
ell'
s
Hig
h P
erf
orm
ance C
om
puting T
eam
, w
here
he
is
respo
nsib
le f
or
desig
nin
g H
PC
pro
ducts
th
at
achie
ve
th
e
raw
-com
putin
g
po
wer
of
cla
ssic
"b
ig-iro
n"
su
perc
om
pute
rs
usin
g
cutt
ing-e
dg
e
sta
ndard
ized t
echn
olo
gie
s.
D
r.
De
ep
u
Talla g
radu
ate
d
from
The U
niv
ers
ity o
f T
exas
with
a
Ph
.D.
in
Com
pute
r E
ng
ineerin
g
in
200
1.
Cu
r-re
ntly,
he i
s a
Syste
m A
rchi-
tect
in t
he Im
agin
g and
Au-
dio
gro
up
at
Texas
Instr
u-
ments
. H
e is
re
sponsib
le fo
r th
e pro
duct
and
arc
hitectu
re
definitio
n
of
port
ab
le
multim
edia
S
OC
He w
as o
ne o
f th
e c
ore
arc
hitects
of
the
re
cently a
nno
unced
"D
aV
inci (T
M)"
pla
tform
.
Dr.
Rav
i B
ha
rgav
a r
ece
ived
his
P
h.D
. fr
om
U
T A
ustin in
2003
. R
avi
is
curr
ently
a
mem
ber
of
the s
erv
er
mic
ro-
pro
cessor
desig
n
team
at
Ad
vance
d
Mic
ro
Devic
es
in
Austin,
Texas.
His
re
sponsi-
bili
ties
at
AM
D
inclu
de
m
icro
arc
hitectu
re
de-
sig
n,
perf
orm
ance m
odelin
g,
an
d v
irtu
aliz
atio
n
support
.
Dr.
Tao
Li
receiv
ed the P
h.D
. degre
e
in
com
pute
r eng
ine-
ering
from
th
e
Univ
ers
ity
of
Texas at
Austin in
20
04.
He
has b
ee
n a
n assis
tant
pro
fe-
ssor
in
the
Depart
ment
of
Ele
ctr
ical
and C
om
pute
r E
ng-
ine
erin
g at
Un
ivers
ity of
Flo
rid
a sin
ce A
ugust
2004
. H
e i
s f
ound
er
and
princip
le i
nvestig
ato
r of
the
Inte
llige
nt
Desig
n
of
Eff
icie
nt
Arc
h-
itectu
res
Lab
ora
tory
a
t U
niv
ers
ity
of
Flo
rida
. H
is r
esearc
h i
nte
rests
inclu
de c
om
pute
r arc
h-
itectu
re,
low
p
ow
er,
secu
re
and
de
pen
dab
le
com
putin
g,
ap
plic
ation-s
pe
cific
sys
tem
s,
perf
-orm
ance e
va
lua
tio
n,
the
im
pacts
of
em
e-r
gin
g
techniq
ues
an
d
app
lica
tions
on
com
pute
r desig
ns, op
era
ting s
yste
ms a
nd c
om
pile
rs.
D
r. Ju
an
R
ub
io r
eceiv
ed h
is
Ph.D
. fr
om
UT
, A
ustin i
n A
u-
gust
200
4.
He c
urr
ently w
ork
s
at IB
M A
ustin R
ese
arc
h L
ab.
Dr.
Mad
hav
i V
allu
ri o
bta
ined
her
PhD
de
gre
e f
rom
the U
ni-
vers
ity of
Texas at
Austin
in
M
ay
20
05.
Sh
e
als
o
ho
lds
maste
rs
degre
es
from
th
e
Univ
ers
ity o
f T
exas a
t A
ustin
and
th
e I
nd
ian
Institu
te o
f S
ci-
ence,
Ban
ga
lore
. M
adha
vi
work
s in
th
e S
ys-
tem
s a
nd T
echnolo
gy G
rou
p a
t IB
M (
Austin)
on
im
pro
vin
g p
erf
orm
ance o
f genera
l-purp
ose p
ro-
gra
ms v
ia c
od
e a
na
lysis
. S
pecific
ally
, her
pro
-je
ct
focus i
s o
n e
xplo
ring
optim
ization
opport
u-
nitie
s
in
the
PO
WE
R6
com
pile
r and
m
icro
-arc
hitectu
re.
Her
rese
arc
h
inte
rests
in
clu
de
com
pile
r a
nd m
icro
-arc
hite
ctu
ral te
chniq
ues f
or
hig
h p
erf
orm
ance a
nd lo
w p
ow
er.
Dr.
B
yeo
ng
K
il
Le
e
is
a
mic
ropro
cessor
desig
n e
ng
ineer
in
WT
BU
(W
irele
ss
Term
inal
Busin
ess U
nit)
at
Texas I
nstr
u-
ments
In
c.
He
is
work
ing
on
desig
nin
g a h
igh p
erf
or-
mance
pro
cessor
for
next
genera
tio
n
hand
he
ld
devic
es.
His
re
searc
h
inte
rests
in
clu
de
perf
orm
ance
mode
ling,
work
load,
chara
cte
rization,
form
al
verificatio
n,
netw
ork
p
roce
sso
r,
mu
ltim
ed
ia
pro
ce
sso
r a
nd
perf
orm
ance ana
lysis
. H
e re
ceiv
ed a P
h.D
in
com
pute
r eng
ine
erin
g fr
om
T
he U
niv
ers
ity of
Texas a
t A
ustin
in
20
05.
D
r.
Yu
e
Lu
o
is fr
om
C
hin
a.
H
e re
ce
ived his
M
aste
r's D
e-
gre
e in e
lectr
on
ics f
rom
Pekin
g
Univ
ers
ity.
He
join
ed
LC
A
in
2000
. U
nder
Pro
fessor
Jo
hn's
superv
isio
n,
Yu
e
Lu
o
did
re
-searc
h i
n w
ork
load c
hara
cte
rization a
nd m
icro
-pro
cessor
sim
ula
tion m
eth
odo
log
y.
He gra
du-
ate
d w
ith a
Ph.D
. degre
e i
n 2
005.
Yue
is n
ow
w
ork
ing at
Mic
rosoft
as a
S
oft
ware
D
eve
lop-
ment
Engin
eer
in T
est. H
e i
s a
mem
ber
of
the
Relia
bili
ty T
eam
in t
he W
indo
ws F
un
dam
enta
ls
gro
up.
H
is curr
en
t pro
ject
involv
es th
e safe
m
ode a
nd r
esta
rt m
anager
in W
indow
s V
ista
.
Cla
ss o
f 2004
Cla
ss o
f 2003
Cla
ss o
f 2002
Anand S
under
Raja
n
A
RM
Corp
ora
tion
Jam
es Y
ang
M
oto
rola
(A
ustin)
Saket K
um
ar
A
MD
Mic
hael A
rukum
ar
Lance K
arm
Mik
e C
lark
Patr
ick P
ete
rs
Inte
l IB
M(A
ustin)
AM
D
Intr
insity
A
jay J
osh
i is
a P
hD
stu
dent at
LC
A.
He
jo
ined
LC
A
in
Fall
2003
. H
e h
old
s a
MS
de
gre
e in
E
lectr
ical
and
Com
pute
r E
ngi-
neeri
ng fr
om
O
hio
S
tate
U
ni-
vers
ity.
He i
s c
urr
ently
work
ing
on
evalu
ating
an
d
de
velo
pin
g
techniq
ues
for
genera
ting r
epre
senta
tive s
yn
thetic w
ork
loads.
L
loyd
B
irch
er
is a
Ph.D
. stu
-dent
at
LC
A.
He j
oin
ed L
CA
in
2002
and
has
a
Bach
elo
r of
Scie
nce
d
egre
e
in
Ele
ctr
ical
Eng
ineerin
g
from
th
e
Univ
er-
sity o
f T
exas a
t A
rlin
gto
n.
He is
curr
ently
work
ing in
th
e a
rea of
Soft
ware
D
i-re
cte
d
Po
wer
Ma
nag
em
ent
for
Mic
ropro
ces-
sors
.
Ciji
Isen
is
a P
h.D
. stu
de
nt
at
LC
A.
He
join
ed
LC
A i
n F
all
of
2005
an
d has
a M
aste
rs de-
gre
e f
rom
Texas A
&M
Univ
er-
sity.
He
is c
urr
ently w
ork
ing o
n
chara
cte
rization
of
em
bed
ded
ja
va b
enchm
ark
s and m
icro
arc
hitectu
ral
tech-
niq
ues t
o e
nhance
perf
orm
ance o
f ja
va i
n e
m-
bedd
ed s
yste
ms.
D
imit
ris
K
ase
rid
is is
a P
h.D
. stu
dent
at
UT
and j
oin
ed L
CA
in
Fa
ll 2
005
. H
e h
as a
Mas-
ters
(2
00
5)
an
d
Dip
lom
a
(2004)
de
gre
e
in
Com
pute
r E
ng
ineerin
g
and
In
form
atics
from
the U
niv
ers
ity o
f P
atr
as,
Gre
ece.
Dim
itris
is w
ork
ing o
n P
erf
orm
ance E
valu
ation &
An
aly
-sis
of
Multithre
aded
Multip
rocessor
Syste
ms.
His
oth
er
researc
h i
nte
rests
are
hig
h p
erf
orm
-ance
mic
ropro
cessor
desig
n
and
low
po
we
r m
icro
arc
hitectu
res.
R
ob
B
ell
is
a P
h.D
. ca
ndid
ate
in
Ele
ctr
ica
l and C
om
pute
r E
n-
gin
eeri
ng
at
the
Univ
ers
ity
of
Texas a
t A
ustin.
He h
old
s u
n-
derg
rad
uate
an
d M
.S.E
.E.
de-
gre
es
from
th
e
Un
ivers
ity
of
Virg
inia
, and i
s e
mplo
ye
d f
ull-
tim
e a
t IB
M,
Aus-
tin,
as a
com
pute
r desig
ne
r. H
is r
ese
arc
h i
nte
r-ests
inclu
de c
om
pute
r arc
hitectu
re,
perf
orm
ance
modelin
g
and
sim
ula
tion,
and
repre
se
nta
tive
w
ork
load s
yn
thesis
.
Sh
iwen
H
u
is a P
h.D
. cand
i-date
at
LC
A.
He j
oin
ed L
CA
in
2000
. S
hiw
en
has
a
M.S
. de-
gre
e
from
T
sin
ghua
Univ
ers
ity
of
Chin
a.
Shiw
en
is w
ork
ing o
n
eff
icie
nt
ad
apta
tio
n
of
multip
le
configura
ble
un
its
usin
g
dyn
am
ic
optim
ization
sys
tem
s for
mic
ropro
cessor
energ
y r
eduction.
A
ash
ish
Ph
an
salk
ar
is a
Ph.D
. cand
idate
at
Lab
ora
tory
of
Co
mp
ute
r A
rch
ite
ctu
re.
He
jo
ined L
CA
in S
pri
ng 2
003
. H
e
receiv
ed h
is B
ach
elo
r’s D
egre
e
in
Ele
ctr
ical
Eng
ineeri
ng
from
U
niv
ers
ity o
f P
une,
Ind
ia i
n 2
000 a
nd a
Maste
rs
degre
e fr
om
th
e D
epart
ment
of
Ele
ctr
ical
an
d
Com
pute
r E
ngin
eering
at
the
Un
ivers
ity
of
Texas a
t A
ustin i
n 2
002.
His
researc
h i
nte
rests
are
perf
orm
ance eva
luatio
n and b
enchm
ark
ing
of
mic
ropro
cessors
, w
ork
load
chara
cte
rization
and c
om
pute
r arc
hitectu
re.
He is c
urr
ently w
ork
-in
g o
n te
chn
iqu
es to
m
easure
sim
ilarity
base
d
on
mic
roarc
hitectu
re
ind
epen
den
t w
ork
load
chara
cte
rization o
f pro
gra
ms.
Cla
ss o
f 2000
Cla
ss o
f 1999
Cla
ss o
f 1998
Cla
ss o
f 1997
S
yed
M.
Ala
m w
as a
n u
nd
er-
gra
du
ate
re
se
arc
h
ass
ista
nt
in L
CA
du
rin
g h
is B
ach
elo
r’s
stu
die
s at
UT
A
usti
n.
He g
ot
his
B.S
. in
ele
ctr
ica
l e
ng
ine
erin
g
from
the U
niv
ers
ity o
f T
exas a
t A
ustin i
n M
ay 1
999,
S.
M.
and
P
h.D
. in
ele
ctr
ical
eng
ine
ering
a
nd
com
pute
r scie
nce f
rom
Massachusetts I
nstitu
te o
f T
ech-
nolo
gy i
n J
un
e 2
001 a
nd
Septe
mber
2004,
re-
spectively
. H
e i
s c
urr
en
tly w
ork
ing w
ith F
rees-
cale
S
em
iconducto
r.
His
re
searc
h
inte
rests
in
clu
de 3
D I
nte
gra
ted C
ircuits,
relia
bili
ty C
AD
, th
erm
al m
odelin
g/a
na
lysis
in I
Cs,
an
d inte
rcon-
nect an
aly
sis
. P
att
ab
i S
esh
ad
ri g
ot
BS
in
ele
ctr
ica
l eng
ine
er-
ing f
rom
Univ
ers
ity o
f T
exas a
t A
ustin a
nd h
e is
curr
ently w
ork
ing f
or
IBM
. N
ate
Lit
tle g
ot
BS
in e
lectr
ical en
gin
eeri
ng
from
Univ
ers
ity o
f T
exas a
t A
ustin a
nd h
e is
curr
ently w
ork
ing f
or
Trilo
gy.
Jyots
na S
. K
art
ha
Jody J
oyner
Juan R
ubio
Poorv
a G
upta
Fre
escale
(A
ustin)
IB
M C
orp
.
Ph.D
. at U
T-A
ustin
Sony
Purn
ima V
asudevan
P
MC
-Sie
rra
Vik
ram
Godbole
Inte
l C
orp
. (A
ustin)
S
anje
ev G
hai
IB
M C
orp
. S
rikanth
Kannan
A
nalo
g D
evic
es Inc
Roy S
hale
m
In
tel C
orp
.
Da-C
hih
Tang
S
un M
icro
syste
ms
(Sunnyvale
)
Yin
Teh
C
MU
Imp
rov
ed
Au
tom
ati
c T
estc
ase S
yn
the
sis
fo
r P
erf
orm
an
ce M
od
el V
alid
ati
on
R
obert
H. B
ell,
Jr.
an
d L
izy K
. Joh
n,
19th
AC
M I
nte
rnation
al
Co
nfe
rence o
n S
up
er-
com
putin
g (
ICS
). J
une 2
00
5.
Lo
w P
ow
er,
Lo
w C
om
ple
xit
y I
nstr
ucti
on
Is-
su
e U
sin
g C
om
pile
r A
ssis
tan
ce
Madh
avi
Va
lluri,
Liz
y
K.
John,
and
Kath
ryn
M
cK
inle
y,
19
th A
CM
Inte
rnationa
l C
onfe
rence
on S
uperc
om
putin
g (
ICS
). J
une 2
005.
Co
ntr
ol
Flo
w M
od
elin
g i
n S
tati
sti
cal
Sim
ula
-ti
on
fo
r A
ccu
rate
an
d
Eff
icie
nt
Pro
ce
sso
r D
esig
n S
tud
ies
Lie
ve
n E
eckhout, R
obert
H.
Bell,
Jr.
, B
astiaa
n
Sto
ugie
, K
oe
n D
e B
ossche
re,a
nd L
izy K
. John
, In
tern
atio
na
l S
ymp
osiu
m on C
om
pute
r A
rchi-
tectu
re (
ISC
A).
pp 3
50-3
61.
June 2
004
. Im
pro
vin
g D
yn
am
ic C
luste
r A
ss
ign
men
t fo
r C
luste
red
Tra
ce C
ach
e P
rocesso
rs
Ravi B
harg
ava a
nd L
izy K
. John,
30th
In
tern
ation
al
Sym
po
siu
m
on
Com
pute
r A
rchitectu
re (
ISC
A).
pp2
64
-274. Jun
e 2
003
. R
un
-tim
e M
od
elin
g a
nd
Esti
mati
on
of
Op
er-
ati
ng
Syste
m P
ow
er
Co
ns
um
pti
on
T
ao L
i an
d L
izy J
ohn,
Inte
rna
tio
na
l C
onfe
rence o
n M
easure
ment and
Mode
ling o
f C
om
pute
r S
yste
ms
(SIG
ME
TR
ICS
). p
p 1
60-1
71. June
20
03.
Un
ders
tan
din
g a
nd
Im
pro
vin
g O
pera
tin
g
Syste
m E
ffects
in
Co
ntr
ol
Flo
w P
red
icti
on
-T
ao L
i, L
izy J
ohn,
An
and S
ivasubra
mania
m,
Nara
ya
na
n V
ijayk
rish
na
n, a
nd J
ua
n R
ubio
, 10th
Inte
rnation
al C
onfe
ren
ce o
n A
rchitectu
ral
Sup
port
for
Pro
gra
mm
ing L
angu
ages a
nd O
p-
era
tin
g S
yste
ms (
AS
PLO
S).
pp 6
8-8
0.
Oct’ 0
2.
All
ow
ing
fo
r IL
P i
n a
n E
mb
ed
ded
Jav
a
Pro
cesso
r R
am
esh R
adhakrishnan,
Deepu
Talla
, an
d L
izy
John,
Inte
rnatio
nal
Sym
po
siu
m
on
Com
pute
r A
rchitectu
re (
ISC
A).
pp 2
94
-305. Jun
e 2
000
. A
rch
itectu
ral Is
su
es in
Ja
va R
un
tim
e S
ys-
tem
s
Ram
esh R
adhakrishnan,
N. V
ijayk
rishn
an,
Liz
y
John, a
nd A
nand S
ivasubra
mania
m,
Inte
rna
tio
na
l S
ymposiu
m o
n H
igh P
erf
orm
ance
Com
pute
r A
rchitectu
re (
HP
CA
), J
an
uary
20
00
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