------------------------------------------------------------------------------------- Comparaison performance de differentes machines en compilation / execution (calcul) ----------------------- Mesures effectuees en Janvier 2007 , R. Ansari / C. Magneville ------------------------------------------------------------------------------------- (a) eros3 : Bipro-bicoeur Xeon@2.4 GHz Linux (xeon-lx-2.4GHz) , gcc 3.2 (b) ccali : Bipro-bicoeur Xeon@2.8 GHz Linux (xeon-lx-2.8GHz) , icc 8.0 ou 9.0 (c) sgsda: AMD Bipro AMD opteron 248 @ 2.2 GHz (amd-lx- (cc) grid-saclay A: MD opteron 275 Bipro-bicoeur @ 2.2 GHz (amd275-lx) (d) asc: bipro alpha (@ ~1 GHz) server DS20 OSF (osf1) , cxx 6.5 (osf-asc) (nouveau asc 420 MFLOPS, moins puissante que l'ancien asc 800 MFLOPS) (e) xp1000-dapnia: alpha xp1000 @ ~ 600 MHz ? OSF1 , cxx ? (osf-xp1000) (f) superosf-dapnia: multi-proc alphaServer ES80 6 procs EV7 @ 1 GHz (super-osf) (g) ccsvx01: XServe G5 bipro @~1GHz (Darwin/OSX) (G5-osx-1GHz) , gcc 3.3 (h) PowerBook-Reza : Apple G4 @ 1.25 GHz (G4-osx-1.25GHz) , gcc 3.3 (i) MacBook-Reza: Apple/ Core double-coeur Intel @ 1.83 GHz (core-osx-1.83GHz) gcc 4 (j) MacPro-Grosdidier : Apple / Xeon 2 double-coeur @ 3 GHz gcc 4.0.1 , compil SOPHYA -O2 -g (p) IBM-AIX regatta , xlC , IBM eServer pSeries 655 , 8 proc power4 @ 1.1 GHz NOTES : - Sur les machines Xeon, il y a une interaction entre process / threads par rapport a l'occupation des CPU's. On perd un facteur 3 en performance multi-threads/multi-taches. La machine MacPro avec OSX se debrouille quand meme mieux. - Effet du systeme ou carte mere ??? Donnees SPECint2000 (3) / SPECfp2000 (2) (http//www.spec.org) (1) MFLOPS -> cpupower 2 ---------------------------------------------------------------------- MFLOPS(1) SPECfp SPECint ---------------------------------------------------------------------- (b)xeon-lx-2.8GHz 900 1400 1400 (c)amd-lx 690 1600 1300 (cc)amd2-lx 675 1600 1300 (d)osf-xp1000 648 500 400 (e)superosf 842 1100 700 (i)core-osx-1.83GHz 855 1400 1500 (j)xeon-osx 2600 2900 - (p)ibm-aix 700 1050 700 ---------------------------------------------------------------------- A/ Compilation tout SOPHYA ---------------------------- csh> time make all (1) ou csh> time make -j 2 all (2) Temps CPU Indice de performance 100*(1000/TCPU) Temps elapsed (vrai) Temps vrai / TCPU ---------------------------------------------------------------------- CPU(s) IndPerf TElapsed , TCPU/Elapsed % ---------------------------------------------------------------------- (a)xeon-lx-2.4GHz (2) 615 s 162 410 s 150% avec -O3 -g (2) 1300 s 77 760 s 172% (b)xeon-lx-2.8GHz (2) 755 s 132 540 s 140% (c)amd-lx (d)osf-xp1000 (1) 533 s 187 660 s 80% (e)superosf (1) 895 s 112 910 s 98% (f)osf-asc (1) 1920 s 52 2340 s 83% (??) (f)G4-osx-1.25GHz (1) 660 s 151 710 s 93% (h)G5-osx-1GHz (2) 453 s 221 250 s 182% -tune=G5 1100 s 90 (i)core-osx-1.83GHz (2) 209 s 478 116 s 180% -O2 (1) 367 s 272 381 96% (j)xeon-osx (p)ibm-aix ---------------------------------------------------------------------- Taille shared libs : (a) (f) = (e) = 57 MO (h) 80 MO (i) 83 MO B/ Calcul brut (Tableaux de SOPHYA) avec / sans threads -------------------------------------------------------- B.1/ arr = c1*a1+c2*a2 (1) time cpupower 2 # compile avec -O3 (2) time zthr arr 1 1000 1 thread (3) time zthr arr 2 1000 2 thread (4) time zthr arr 4 1000 4 thread (5) time zthr arr 6 1000 6 thread (6) time zthr arr 8 1000 8 thread ----------------------------------------------------------------------------------- (1)MFLOPS (2)CPU/Elap/% (2)IndPerf (3)CPU/Elap/% (3)IndPerf ----------------------------------------------------------------------------------- (a)xeon-lx-2.4GHz 1167 5.15/5.2/99% 11.4/5.8/196% (4)36.6/9.28/394% -O3 -g 4.9/5./99% (b)xeon-lx-2.8GHz 920 2.3/2.3/100% 6.2/3.1/198% (4)26/6.6/396% (c)amd-lx 690 3.6/3.6/99% 6.8/4/171% (4)13.5/7/193% (5)20.3/10.23/198% (cc)amd2-lx 675 2/2/99% 4.15/2.1/197% (4)8.25/4.15/198% (5)13.6/4.6/292% (6)19.8/6.5/300% (d)osf-xp1000 648 5.1/5.3/96.6% 11.4/11.4/99% (4)25.2/25.5/99% (e)superosf 842 2.87/2.88/99.6% 6.25/4.1/153% (4)11.6/3.06/379% (f)osf-asc 420 6.3s/6.5s/99% 16.9/8.8/192% (4)29.9/15.7/191% (f)G4-osx-1.25GHz 333 44s/48s/91% 86.7/99.8/92% (h)G5-osx-1GHz 1151 20s/20s/99% 40s/23s/170% (4) 80.8/45/180% -tune=G5 3.35/3.8/88% 7.1/3.6/196% (4) 14/7.5/187% (i)core-osx-1.83GHz 855 11.5/11.5/100% 23/11.6/192% (4) 46/23/199% -O2 3.85/3.89/99% 7.7/3.9/198% (4) 15.4/7.77/198% (j)xeon-osx 2600 2.5/2.5/100% 5.1/2.6/199% (4) 11.5/3.2/362% (5) 17.4/4.77/365% (p)ibm-aix-regatta 700 6.8/6.9/98% 13.1/6.75/195% (4) 26.3/11.7/225% (q)sgi-magique 460 60/60/99% ----------------------------------------------------------------------------------- B.2/ Multiplication de matrices mtx = mtx1 * mtx2 (1) time cpupower 2 (2) time zthr mtx 1 1000 1 thread (3) time zthr mtx 2 1000 2 thread (4) time zthr mtx 4 1000 4 thread (5) time zthr mtx 6 1000 6 thread (6) time zthr mtx 8 1000 8 thread ----------------------------------------------------------------------------------- (1)MFLOPS (2)CPU/Elap/% (2)IndPerf (3)CPU/Elap/% (3)IndPerf ----------------------------------------------------------------------------------- (a)xeon-lx-2.4GHz 1167 6.5/6.5/100% 17.4/8.8/198% (4) 80.5/20.3/397% (5) 114.5/29.6/387% (6) 160/40.3/387% (b)xeon-lx-2.8GHz 920 3.4/3.4/100% 12/6.1/199% (4) 55.8/14/400% (c)amd-lx 690 6.98/6.98/100% 14.1/8.15/173% (4) 27.7/14.23/194% (5) 41.4/21.07/196% (6) 55.4/27.9/198.7% (cc)amd2-lx 675 4.1/4.1/100% 9.55/4.8/198% (4) 20/10.27/195% (5) 32.8/11.16/294% (6) 42.75/13.8/309% (d)osf-xp1000 648 13/14.1/92% 27.1/27.4/99% (4) 54/54.7/99.6% (5) 80.6/81/99.6% (6) 107.8/108.3/99.5% (e)superosf 842 6.1/7.24/84% 12.35/6.29/196% (4) 24.3/6.31/385% (5) 36.5/10.9/335% (6) 50.1/18.15/276% (f)osf-asc 420 13.5s/13.7s/98% 32/16.5/194% (4) 67.5/34.4/196% (f)G4-osx-1.25GHz 333 (h)G5-osx-1GHz 1151 23/23.7/97% 46.5/27.5/170% (4) 93.4/49.4/189% -tune=G5 5.7/5.8/98% 13.3/6.8/197% (4) 26.8/13.56/197% (6) 53.8/27.25/197% (i)core-osx-1.83GHz 855 12.6/12.7/100% 25.8/13.4/194% (4) 51.6/26/199% -O2 4.25/4.5/94% 10.6/5.36/198% (4) 20.87/10.68/198% -O2 2 jobs // 2 x 5/5.4/92% (j)xeon-osx 2600 2.8/2.8/99% 9.3/4.66/199% (4) 31.4/8.6/364% (5) 47.1/12.96/364% (6) 62.8/17.38/362% (p)ibm-aix-regatta 700 9.5/9.7/98% 18.3/16.0/114% (4) 38.3/24.7/155% (q)sgi-magique 460 49/49/99% 101/56/181% ----------------------------------------------------------------------------------- C/ Calcul fft (FFTW , FFTPack ) ------------------------------- (1) time cpupower 2 (2) time tfft 2000000 W d 0 0 (avec FFTW) (3) time tfft 2000000 P d 0 0 (avec FFTPack_Sophya) IndPerf=1000/TCPU ----------------------------------------------------------------------------------- (1)MFLOPS (2)CPU/Elap/% (2)IndPerf (3)CPU/Elap/% (3)IndPerf ----------------------------------------------------------------------------------- (a)xeon-lx-2.4GHz 1167 5.5/5.6/97% 180 7.4/7.4/100% 135 -O3 -g 6.8/7.1/96% 147 (b)xeon-lx-2.8GHz 920 (c)amd-lx 690 4.2/4.2/100% 238 ~2x 4.7/4.7/99% (cc)amd2-lx 675 2.8/2.8/99% 3.56/3.58/99% (d)osf-xp1000 648 9.9/10.2/97% 101 9.3/9.46/98.5% 107 (e)superosf 842 6./6.22/96.7% 166 5.1/5.18/97.4% 196 (f)osf-asc 420 13.3/13.9/95.7% 75 12.2/17.6/70% 82 (f)G4-osx-1.25GHz 333 15.2/15.9/96% 66 23.8/34.1/70% 42 (h)G5-osx-1GHz 1151 8.5/8.7/97.5% 120 11.5/11.6/99% 87 -tune=G5 5/5.1/98% 200 5.5/5.6/97% 180 (i)core-osx-1.83GHz 855 4.6/4.75/97% 217 7/7.08/99% 142 -O2 3.2/3.2/99% 312 3.6/3.6/99% 277 -O2 2 jobs // 2 x 3.9/4.3/90% 2x 4.7/5/91% 200 (j)xeon-osx 2600 2.6/2.6/98% 384 2 jobs // ~2x 3.6/4.1/87% 250 4 jobs // (p)ibm-aix-regatta 700 6.25/18.9/33% 160 5.25/15.7/33% 190 (q)sgi-magique 460 22/22/98% 42 24.5/25/99% 40 ----------------------------------------------------------------------------------- D/ Efficacite de gestion de lock (mutex) avec les threads ----------------------------------------------------------- (32 threads - operant sur 2000 vecteurs ~ 64000 lock/unlock/wait/broadcast) csh> time zthr syncp 32 2000 4 (1) time cpupower 2 ---------------------------------------------------------------------- (1)MFLOPS CPU(s) IndPerf TCPU/Elapsed % ---------------------------------------------------------------------- (a)xeon-lx-2.4GHz 1167 17.8 178% avec -O3 -g (b)xeon-lx-2.8GHz (2) (c)amd-lx 690 0.4 31% (d)osf-xp1000 (1) (e)superosf (1) (f)osf-asc (1) 420 5.4 100% (f)G4-osx-1.25GHz (1) 333 64 96% (h)G5-osx-1GHz (2) 1150 2.6 130% -tune=G5 (i)core-osx-1.83GHz -O2 (j)xeon-osx 2600 2.55 143% (p)ibm-aix 700 4.7 111% ----------------------------------------------------------------------