| 1 | | {{{ |
| 2 | | #!html |
| 3 | | <h1>IPSLCM6 configurations </h1> |
| 4 | | }}} |
| 5 | | ---- |
| 6 | | [[PageOutline(1-3,Table of contents,,numbered)]] |
| 7 | | |
| 8 | | Person in charge: Olivier Marti |
| 9 | | ---- |
| 10 | | |
| 11 | | # IPSLCM6 model # |
| 12 | | |
| 13 | | IPSLCM6 is '''the IPSL coupled climate model''' under development for the CMIP6 simulations including atmosphere, land, ocean, sea ice and carbon cycle. This model includes : |
| 14 | | * model components : |
| 15 | | * '''LMDZ''' as atmospheric model ; |
| 16 | | * '''NEMO''' as ocean model including sea ice (LIM2/LIM3) and marine biogeochemistry (PISCES) ; |
| 17 | | * '''ORCHIDEE''' as land model ; |
| 18 | | * tools : |
| 19 | | * '''OASIS3-MCT''' as parallel coupler ; |
| 20 | | * '''XIOS''' as I/O library ; |
| 21 | | * '''libIGCM''' as running environment (scripts) to run the model and to perform post processing ; |
| 22 | | This model runs on '''Curie-TGCC thin nodes'''. |
| 23 | | |
| 24 | | [[Image(IPSLCM6.png, 500px)]] |
| 25 | | |
| 26 | | # Resolutions and configurations # |
| 27 | | |
| 28 | | IPSLCM6 model will be available at different resolutions/configurations : |
| 29 | | |
| 30 | | * '''IPSLCM6A-VLR_rc0''' : LMDZ(Old Physics) 96x95x39-ORCHIDEE (Choisnel) - NEMO-LIM2-PISCES ORCA2 |
| 31 | | * '''IPSLCM6-LR''' (under development, '''not available''') : LMDZ 144x144x79-ORCHIDEE (CWRR) - NEMO-LIM3-PISCES eORCA1xL75 |
| 32 | | |
| 33 | | ## IPSLCM6A-VLR_rc1 ## |
| 34 | | |
| 35 | | The resolution of LMDZ is 144x142 (2.5° in longitude and 1.5° in latitude) with 79 vertical levels. The ocean configuration is eORCA1L75 : global ocean with a tripolar grid with one South pole, one North pole above Siberia and one North pole above northern America. The resolution is 1°. In the tropical region, the latitudinal resolution decreases to 1/2°. There are 76 vertical levels, with 1m resolution near the surface, and 200m in the abyss. |
| 36 | | |
| 37 | | For LMDZ, the new physics is used. Current test (Sept. 2015) is NP 5.17h. |
| 38 | | |
| 39 | | '''IPSLCM6-VLR_rc1''' is composed of following components and tools (Sept. 2015) : |
| 40 | | {{{ |
| 41 | | #-H- IPSLCM6_rc1 IPSLCM6_rc1 coupled configuration |
| 42 | | #-H- IPSLCM6_rc1 Working configuration started 27/03/2015 |
| 43 | | #-H- IPSLCM6_rc1 NEMOGCM branches/v3_6_STABLE/NEMOGCM revision 5618 |
| 44 | | #-H- IPSLCM6_rc1 XIOS branch xios-1.0 revision 592 |
| 45 | | #-H- IPSLCM6_rc1 IOIPSL/src svn tags/v2_2_2 |
| 46 | | #-H- IPSLCM6_rc1 LMDZ5 trunk revision 2327 |
| 47 | | #-H- IPSLCM6_rc1 ORCHIDEE version trunk rev 2724 |
| 48 | | #-H- IPSLCM6_rc1 OASIS3-MCT 2.0_branch rev 1129 |
| 49 | | #-H- IPSLCM6_rc1 IPSLCM6 svn |
| 50 | | #-H- IPSLCM6_rc1 libIGCM trunk 1174 |
| 51 | | #-M- IPSLCM6_rc1 arnaud.caubel@lsce.ipsl.fr |
| 52 | | #-C- IPSLCM6_rc1 IOIPSL/tags/v2_2_2/src HEAD 8 IOIPSL/src modeles |
| 53 | | #-C- IPSLCM6_rc1 trunk/ORCHIDEE 2848 14 ORCHIDEE modeles |
| 54 | | #-C- IPSLCM6_rc1 branches/OASIS3-MCT_2.0_branch/oasis3-mct 1129 15 oasis3-mct . |
| 55 | | #-C- IPSLCM6_rc1 LMDZ5/trunk 2327 11 LMDZ modeles |
| 56 | | #-C- IPSLCM6_rc1 CONFIG/UNIFORM/v6/IPSLCM6 HEAD 8 IPSLCM6 config |
| 57 | | #-C- IPSLCM6_rc1 trunk/libIGCM 1174 10 libIGCM . |
| 58 | | #-C- IPSLCM6_rc1 branches/2015/nemo_v3_6_STABLE/NEMOGCM 5618 7 . modeles |
| 59 | | #-C- IPSLCM6_rc1 trunk/ORCA1_LIM3_PISCES HEAD 17 . modeles/NEMOGCM/CONFIG |
| 60 | | #-C- IPSLCM6_rc1 XIOS/branchs/xios-1.0 604 12 XIOS modeles |
| 61 | | }}} |
| 62 | | |
| 63 | | '''Caution'' : this is subject to quick changes ! |
| 64 | | |
| 65 | | |
| 66 | | ### How to use it ### |
| 67 | | Here are the commands you need to know if you want to retrieve and compile the IPSLCM6 model and if you want to setup and run a piControl experiment (only piControl experiment is available): |
| 68 | | {{{ |
| 69 | | #!sh |
| 70 | | mkdir MONREPERTOIRE ; cd MONREPERTOIRE |
| 71 | | svn_ano # svn co http://forge.ipsl.jussieu.fr/igcmg/svn/modipsl/trunk modipsl |
| 72 | | cd modipsl/util |
| 73 | | ./model IPSLCM6_rc1 |
| 74 | | cd ../config/IPSLCM6 |
| 75 | | gmake IPSLCM6-LR |
| 76 | | cp EXPERIMENTS/IPSLCM6/EXP00/config.card . |
| 77 | | vi config.card # modify JobName (at least) : MYJOBNAME, restarts |
| 78 | | ../../util/ins_job # Check and complete job's header |
| 79 | | cd MYJOBNAME |
| 80 | | vi Job_MYJOBNAME # modify PeriodNb, adjust the time, headers ... |
| 81 | | llsubmit Job_MYJOBNAME # IDRIS |
| 82 | | ccc_msub Job_MYJOBNAME # TGCC |
| 83 | | }}} |
| 84 | | |
| 85 | | #### Specific command on TGCC Bull Curie thin nodes #### |
| 86 | | |
| 87 | | The basic configuration (default configuration) uses '''598 computing cores''' or 38 nodes: 1 process for XIOS, 221 processes for NEMO, and 47 MPI processes and 8 OpenMP thread for LMDZ. |
| 88 | | You have to modify header of the Job script as follow : |
| 89 | | {{{ |
| 90 | | #MSUB -n 598 # number of cores used by the Job (equal to the total number of process/threads : for example 47X8 + 221 + 1 = 598) |
| 91 | | #MSUB -x # Specify the node is not shared |
| 92 | | #MSUB -E '--cpu_bind=none' |
| 93 | | }}} |
| 94 | | |
| 95 | | |
| 96 | | and config.card as follows : |
| 97 | | |
| 98 | | {{{ |
| 99 | | #======================================================================== |
| 100 | | #D-- Executable - |
| 101 | | [Executable] |
| 102 | | #D- For each component, Real name of executable, Name of executable for oasis |
| 103 | | ATM= (gcm.e, lmdz.x, 47MPI, 8OMP) |
| 104 | | SRF= ("" ,"" ) |
| 105 | | SBG= ("" ,"" ) |
| 106 | | OCE= (opa, opa.xx , 221MPI) |
| 107 | | ICE= ("" ,"" ) |
| 108 | | MBG= ("" ,"" ) |
| 109 | | CPL= ("", "" ) |
| 110 | | IOS= (xios_server.exe, xios.x, 1MPI) |
| 111 | | }}} |
| 112 | | |
| 113 | | ### Restart files ### |
| 114 | | Not available yet. Waiting for reference simulations. |
| 115 | | |
| 116 | | ### Output level ### |
| 117 | | By default, only '''monthly outputs''' and '''low output levels''' are activated. |
| 118 | | |
| 119 | | ### Lengths, frequencies ### |
| 120 | | #### Period length #### |
| 121 | | Default period length is 1Y, i.e in config.card : |
| 122 | | {{{ |
| 123 | | PeriodLength=1Y |
| 124 | | }}} |
| 125 | | Note that clean_month.job will remove last period files, i.e last simulated year files. |
| 126 | | |
| 127 | | #### Pack Frequency #### |
| 128 | | Default pack frequency is 10Y, i.e in config.card : |
| 129 | | {{{ |
| 130 | | PackFrequency=10Y |
| 131 | | }}} |
| 132 | | Note that since clean_year.job works on the latest pack period, clean_year.job will remove files from latest 10Y pack period. clean_year.job can also be used several time in a row to delete several 10Y pack |
| 133 | | periods. |
| 134 | | |
| 135 | | #### Rebuild frequency #### |
| 136 | | Since we run with XIOS (server mode) as output library, '''the rebuild step is not needed anymore'''. |
| 137 | | |
| 138 | | ### Computing centres ### |
| 139 | | |
| 140 | | #### TGCC Bull Curie thin nodes #### |
| 141 | | |
| 142 | | Default configuration on '''598 cores''' allows you to run '''3 simulated years per day'''. Because of load-balancing (difference between ocean computing time and atmosphere computing time), not all configurations (in terms of number of process/threads) are efficient. If you want to run a configuration with less cores, ask Arnaud Caubel what would be the optimum configuration. |
| 143 | | |
