大規模共有メモリーシステムでのGAMESSの利点

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1 Technical white paper GAMESS GAMESS Gordon Group *1 Gaussian Gaussian1 Xeon E GAMESS 1 RHF ROHF UHF GVB MCSCF SCF Energy CDFpEP CDFpEP CDFpEP CD-pEP CDFpEP SCF Gradient CDFpEP CDFpEP CDFpEP CD-pEP CDFpEP SCF Hessian CD-p-- CD-p CD-p-- -D-p-- MP2 energy CDFpEP CDFpEP CD-pEP CD-pEP MP2 gradient CDFpEP -D-pEP CD-pEP CI energy CDFp-- CD-p CD-p-- CD-p-- CI gradient CD CC energy CDFpE- CDF-E EOMCC excitations CD E- CD E Semi-empirical: DFT energy CDFpEP CD-pEP CD-pEP DFT gradient CDFpEP CD-pEP CD-pEP TD-DFT energy CDFpEP CD-p-- TD-DFT gradient CDFpEP Mopac energy y Y y y Mopac gradient y Y y n 1. p parallel Xeon E7

2 GAMESS GAMESS 1 4 Replicated data Distributed data 2 $SYSTEM MWORD, MEMDDI Node#0 p=0 Node#1 p=2 X X Replicated data Replicated data Node#0 p=0 Replicated data Node#1 p=1 Replicated data Node#0 p=1 X Node#1 p=3 X Distributed data Distributed data Distributed data Distributed data 1. GAMESS ( 1 core Memory = MWORD + MEMDDI / ( ) MWORD, MEMDDI word 8x10^6 1 2 compute process CP data server ( DS) 16 8 p=2 p=0 p=1 p=2 p=0 DS MB GAMESS CP DS DS 3 1 (runtype=optimize) (runtype=hessian) FCM $VEC, $HES (runtype=vscf) cc-pvdz MP2/CCSD/ CCSD(T) 3 $CONTRL SCFTYP=RHF RUNTYP=VSCF CCTYP=CCSD(T) ISPHER=1 $END $SYSTEM TIMLIM= MWORDS=100 $END $BASIS GBASIS=CCD $END $VSCF NGRID=16 PETYP=DIRECT $END $GUESS GUESS=HUCKEL $END $DATA H2O CCSD(T)/cc-pVDZ Anharmonic Frequency CNV 2 O H $END Exp. MP2 CCSD CCSD(T) 1 ( ) ( ) ( ) (SATA DISK ) (RAM DISK: /dev/shm

MP2 IO HDD RAM-DISK RAM-DISK 2 IO 2 C540 (fullerene) C540 PC Gamess test2 *2 MOPAC PM3 SCFTYPE RHF PM3 1 PM3 GAMESS http://spec.

$scf soscf=.t. $end $DATA Case Elapsed Time(sec) R-PM3 ENERGY SCF iter. 1 (default) 175 2349.3718701794 15 2 (optimize) 178 2349.3718701796 16 3

3 MP2 IO HDD RAM-DISK RAM-DISK 2 IO 2 C540 (fullerene) C540 PC Gamess test2 *2 MOPAC PM3 SCFTYPE RHF PM3 1 PM3 GAMESS *3 3 -xhost CPU SSE AVX -ipo Nehelam TURBO $CONTRL SCFTYP=RHF RUNTYP=gradient nprint=-5 ISPHER=1 $END $SYSTEM TIMLIM=3000 MWORDS=100 $END $BASIS GBASIS=PM3 $END $GUESS GUESS=HUCKEL $END $scf soscf=.t. $end $DATA Case Elapsed Time(sec) R-PM3 ENERGY SCF iter. 1 (default) (optimize) (optimize + turbo) PM3 Default: -i8 -O2 Optimize: -i8 -xhost -ipo -O3 -no-prec-div -unroll2 -static -scalar-rep- 3 C20H16N4 (porphyrin) 4 $CONTRL RUNTYP=GRADIENT INTTYP=HONDO ICUT=10 CITYP=CIS NPRINT=-5 $END $SYSTEM TIMLIM=6000 MWORDS=100 $END $GUESS GUESS=HUCKEL $END $SCF DIRSCF=.T. $END $CIS NSTATE=1 CHFSLV=DIIS $END $DATA GAMESS MPI DDI DDI GAMESS VERSION = 1 MAY 2012 (R2) Intel-MPI Mathlib Intel MKL 13.0 Fortran Intel fortran 13.0 [composer_xe_ ]

4 PC GAMESS test6 7 DDI 1 16 CP DS Cores Elapsed Time(sec) FINAL RHF ENERGY SCF iter (1) RHF SCF DENSITY MATRIX < 2.00E ELapsed time[s] Elapsed time scale cores 2. (2) MPI GAMESS SCF MAXIT=30 30 UNCONVERGED MPI ERROR Infinibad-FDR Gigabit mpiexec Intel-MPI I_MPI_DEVICE= shm or rdssm or ssm Infiniband rdssm Gagabit ssm 5 SCF Cores SCF iterations infiniband SCF iterations Gigabit Elapsed Time Infiniband(rdssm)/Gigabit(ssm)

5 GAMESS GAMESS SL230Gen8 DL980G7 Processor Intel E Ghz Intel E Ghz Sockets, Core 2socket, 16core 8socket, 80core Memory 8GB DIMM x16 32GB DIMM x128 OS RedHat 6.3 RedHat 6.4 Interconnect InfiniBand FDR - 6. SMP CP MEMDDI MEMDDI distributed data MEMDDI DS CPU CP 2 CPU Intel-MPI I_MPI_WAIT_MODE (csh ) setenv I_MPI_WAIT_MODE enable SystemV ipcs -l sysctl -w kernel.shmmax= xxx kernel.shmmax = 68,719,476,736 (64GB) kernel.shmall = 4,294,967,296 (4GB) kernel.shmmni = 4,096 (4GB) kernel.shm_rmid_forced = 0 vm.hugetlb_shm_group = 0 DS DL980G7 Cores CP Elapsed Time RHF ENERGY ITERATIONS DS Cores CP Elapsed Time RHF ENERGY ITERATIONS DS DS % DS off %

6 40 35 jobs per day cores 3. DL980 DS 2 GAMESS with DS on SL230 GAMESS with DS on DL980 GAMESS without DS on DL980 MP2 CCSD Hatree-Fock HF MP2 CCSD SCF 2 MP2 2 CCSD 5-6 *4 CCSD MP CCSD, CCSD(T) Gradient 4 CCSD, CCSD(T) GAMESS nodereplicated distributed storage shmmax node-replicated process replicated distributed storage(memddi) DDI TCP-IP 9 EXETYP=CHECK CCSD CC MAXCC=1 30 MAXCC=30 HF 2000 CCSD AO MO AO MO MO CPU CP-0 CP-1 CP-2 CP-79 MWORDS t-ai MWORDS t-ai MWORDS t-ai MWORDS t-ai Gamess process node-replicated t-ij,ab fully distributed storage of the [VV 00], [VV 00], [V0 V0], [V0 00],[00 00] integrals The area of this entire big box is MEMDDI SysV shared memory segment More SysV shared memory segment DS-80 DS-81 DS-82 DS-159 Gamess process 4. CCSD,CCSD(T)

Replicated memory(mb) Distributed memory(mb) HF 36 0.3 MP2 89 4171 CCSD 240 332,152 CCSD(T) 1.2 75,752 9. EXETYP=CHECK 1000 jobs per day 100 10 1 0.1 HF MP2 DFT (b3lyp) CCSD CCSD (T) 0.

7 Replicated memory(mb) Distributed memory(mb) HF MP CCSD ,152 CCSD(T) , EXETYP=CHECK 1000 jobs per day HF MP2 DFT (b3lyp) CCSD CCSD (T) cores 5. CCSD MAXCC=30 1. Data Server 2. CPU Compute Process MP2 2 CCSD 4 CCSD 4. CCSD GPGPU libcchem *1) *2) *3) *4) Xeon E7 HP ProLiant DL980 G7 Xeon E GHz GB DIMM 128 OS Red Hat 6.4

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