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Intel Xeon Phi
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Intel Xeon Phi
seminarski rad na temu Intel Xeon Phi koprocesori Fakultet: FPMOZ Mostar Kolegij: Paralelno ProgramiranjeFull description...
Author:
Ana Vila
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SVEUČILIŠTE U MOSTARU FAKULT FAKULTET ET PRIRODOSLOVN PRIR ODOSLOVNO O – MATEMATIČKIH MATEMATIČKIH I ODGOJNIH ZNANOSTI STUDIJ: INFORMATIKA
Intel Xeon P! "#o$e%o#! Se&!n'#%(! #')
Kole*!+: Paralelno programiranje
Vila St,)ent: Ana Vila
Mento#: Sven Gotovac
-#o+ !n)e(%': 764!I
Mo%t'#. Vel+'/'. Vel+'/'. 01234
SADR5AJ "# $VO%######################################################################################################################################" O'I()*+)A INT*( ,*ON P-I PRO.*SORA#####################################################################& " AR-IT*KT$RA###################################################################################################################& & PROGRAMIRAN)*##############################################################################################################4 / M)*R*N)* P*RFORMANSI##############################################################################################4 /# ,*ON P-I 0"11 P*RFORMANS*############################################################################################0 /#" V*KTORSK* )*2GR*#########################################################################################################6 /#"#"# INSTR$K.I)SKA (AT*N.I)A###################################################################################6 /#"#& INSTR$K.I)SKI T-RO$G-P$T################################################################################7 /#& On3.ip I O553.ip Memorija############################################################################################### /#/ PRST*NASTA POV*2ANOST############################################################################################ /#4 P.Ie PRI)*NOS PO%ATAKA############################################################################################"1 4# 2AK()$AK############################################################################################################################"& 0# (IT*RAT$RA888888888888888888888888888888#"/
2
24 UVOD Ka9o potre:e ;a
?nalnom mo=i ra
ina @a
e
?j?
Ve9tor<9e je;gre
On3cip memorija
O553cip memorija
Pr
P.Ie ve;a
'?@?=i @a ovo glavna o:iljeDja 9oja ,eon Pi ra;li9?j? o@ tipi>nog .P$3a 3 ve9tori iriE mnogo je vi
3
04 O-ILJE5JA INTEL XEON PHI PRO6ESORA 'a;iran na intelovoj MI.B6C arite9t?riE Intel ,eon Pi je je@an o@ rijet9i pravi vieje;greni proce
aj9e 9ao to SIM%!SIMT B7CE vi
ite 9on5ig?racije @a :i ;a@ovoljili ra;li>ite ar@ver<9e i
Intel ,eon Pi .oproce<
•
;a paraleli;mom 9ao to Monte.arloE 'lac93Scole
no# Intel ,eon Pi .oproce<
•
o:oje 9ao na primjer RTM Brever
ava 5re9vencij? je;gri tije9om ra@a a9o to @o;voljavaj? termalni ?vjeti#
2.1 ARHITEKTURA Intel ,eon Pi
ici B? ovom ra@? @etaljnije o:raHen mo@el i;
no 9ao I GP$ a9celeratoriE ali ;a ra;li9? o@ nji 9ori
4
Slika 1: Intel Xeon Phi Arhitektura
Sva9a je;gra
ici# (& 9eevi ar@ver<9i
aj9i Pi3a je :r;o pr
Ve9tor<9e je;gre On3cip memorija O553cip memorija Pr
'?@?=i @a ovo glavna o:iljeDja 9oja ,eon Pi ra;li9?j? o@ tipi>nog .P$3a 3 ve9tori iriE mnogo je vi
2.2 PROGRAMIRANJE 2a programere 9oji navi9li na je;i9e vi
ni m?ltiproce
ip?# $ ?
a9celeratorima
ina na 9oja apli9acija moDe 9ori
ip?E Pi pr?Da mog?=no
ni intel ,eon proce
ima apli9acije 9oje ra@e na o:i>nom intel ,eon proce
2.3 MJERENJE PERFORMANSI %a :i
Slika 2: Mjerenje performansi Xeon Phi-a
(atencija je vrijeme potre:no ;a i;vravanje operacije I vra=anje re;?ltata# (atencija
et9a @o 9rajaE te ta operacija mora :iti i;olirana I i;mjerena ne intr?;ivnom meto@om mjerenja# Mjerenje latencije i;vreno je na je@noj niti B;a in@ivi@?alne operacijeC I @vije niti B;a operacije prijeno
6
Tro?gp?t je :roj operacija i;vren ? o@reHenom vremen?E 9a9o ve=i tro?gp?t ;na>i :olje per5ormance mjerenje je 5o9?
ite operacije# Ko@ mjerenja ma9
74 XEON PHI 3211 PERFORMANSE $ @aljnjem te9
Ve9tor<9e je;gre On3cip I o553cip memorija Pr
3.1 VEKTORSKE JEZGRE 2a mjerenje latencije I tro?gp?t ve9tor<9i je;gri 9ori
,eon Pi 9ori
Ma<9 operacije Aritmeti>9o3logi>9e in
9e in
Re;?ltati mjerenja in
!P"#A$I%A kan+, kor, knot, kor /a++p+, /fma++p+,
&A'"(!#I%A Mask opera.ija Aritmetika opera.ija
)A'"*$I%A 2 4
/mulp+,/su0p+ ./t+2p+, /./tps2p+ !pera.ije pret/aranja perm+, /permf324 Permuta.ijska opera.ija ep223ps, /lo2ps,/rsrt23ps Proirena matematika opera.ija 'a0ela 1: instruk.ijska laten.ija ko+ Xeon Phi-a
5 6 6
Mjerenje latencije ve9tor<9i operacija je mjerenje vremena i;vravanja ni;a o@ "11 operacija 9ori
Intel ,eon Pi proce<
(raf 1: Aritmetiki throuhput na 6, 12 i 24 +ret/i
2a mjerenje tro?gp?t po9ren?te "E&E4 @retve po je;gri B61E "&1 I &41 @retviCE tije9om mjerenja
bi
=
+1
bi op a
g@je je 7
i iteracijaE a 9on
9i operacija# MoDemo ;a9lj?>iti @a ;a 9oriteni mi9< operacija tro?gp?t ovi
3.2 On-Chip I Of-Chip M!"#i$% ,eon Pi ima @va nivoa 9eevaE (" I ( (" 9e je /& K' @o9 :i (& tre:ao :iti manji o@ 0"& K'E na@aljeE latencija pri
ina <9?pa po@ata9a ve=a 0"&K'C# ,eon Pi 0"11 ima "6 memorij<9i 9analaE
(raf 3: 0r8ina 8a opera.iju rea+
(raf 4: 0r8ina 8a opera.iju
9rite
Kao to moDemo vi@jeti ma9
itanja o@ "64 G'!< B61 ili vi
a na gra5? moDemo vi@jeti promjene ? :r;ini pri ra;li>itim 9on5ig?racijamaE a 9oritenje streaming storea @o@atno optimi;ira :r;in? prijeno
3.3 PRSTENASTA POVEZANOST Na ,eon Pi3? je;gre i memorij<9i 9ontroleri meH?
9e 9omponente 9ao to ring
ite
ite je;gre ? tri o
Kompa9tni je;gre
ajni I% je;gri je nano i;a:rana
'r;ine mjerene 9oritenjem &E 4E i "6 je;gri a re;?ltati pri9a;ani ? gra5? 4#
(raf 4: Promjene 0r8ine na tri ra8liita raspore+a koritenih je8ri
MoDemo vi@jeti @a ra
in9a na :r;in? prijeno
nima i ?@aljeno
in9a na po
etiri ar@ver<9e @retve re;?ltat mjerenja :r;ine 9a@a
etiri @retve na i
1
(raf 5: 0r8ine ka+a su +ret/e na istoj je8ri /s; na ra8liitim je8rama
MoDemo primjetiti 9a@a @retve po9ren?te na i
itim je;grama# MoDemo ;a9lj?>iti @a 9a@a @retve po9ren?te na i
9i reite @retve pri
itim memorij<9im lo9acijama ali po
ite @retve po9?avaj? i
e9ivati @a po
iti @a
itim memorij<9im lo9acijama#
3.& PCI PRIJENOS PO'ATAKA Ka@a
11
(raf 6: 0r8ina prijenosa Phi
MoDemo primjetiti @a :r;ina ra
inom po@ata9a i @a je relativno
9i Pi proce
na ve9tori;acijaE 9oji ?nitavaj? porta:ilno
12
84 ZAKLJUČAK I;
iti @a je intel ,eon Pi proce<
itanje i 76 G'!< ;a
nim vrnjacima te njiova ?@aljeno
34 LITERATURA 13
ttp!!#col5aJ3intl#com!n@!@onloa@
14
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