The Laboratory for Computer Archi- tecture (LCA) is a research group within the Department of Electrical and Computer Engineering at The University of Texas at Austin. The lab is directed by Dr. Lizy Kurian John and is part of the Computer Engineering Research Center (CERC). The members of the Laboratory for Computer Architecture are investi- gating several topics in computer architecture. Some of our current research interests include: • Performance Impact of Contem- porary Programming Paradigms • Emerging Workloads • Architectures for Emerging Workloads • Workload Characterization • Performance Modeling • Low Power Architectures • Architectural and Compiler Op- timizations for Improving Per- formance and Reducing Energy Fall 2005 2004 2003 1999 1999 Lizy Kurian John Office: ACES 3.114 Phone:(512) 232-1455 Fax:(512) 471-2893 Email: [email protected] Home page: http://www.ece.utexas.edu/~ljohn/ Mailing Address: Department of Electrical and Computer Engineering University of Texas at Austin 1 University Station C0803 Austin, TX 78712-0240 Amy Levin Office: ACES 3.112 Phone:(512) 232-7941 Fax:(512) 471-2893 Email: [email protected] LCA Web Site: http://lca.ece.utexas.edu
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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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