en:hpc
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en:hpc [2022/07/04 15:20] – [Interactive Tasks (SLURM)] grikiete | en:hpc [2023/04/20 10:26] – rolnas | ||
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====== Software ====== | ====== Software ====== | ||
- | In **main** and **gpu** partitions there are installed [[https:// | + | In **main** and **gpu** partitions there are installed [[https:// |
You can check the list of OS package with the command '' | You can check the list of OS package with the command '' | ||
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====== Registration ====== | ====== Registration ====== | ||
- | * **For VU MIF network users** - HPC can be used without additional registration if the available resources are enough (monthly limit - **100 CPU-h and 6 GPU-h**). Once this limit has been reached, you can request more by filling in [[https:// | + | * **For VU MIF network users** - HPC can be used without additional registration if the available resources are enough (monthly limit - **500 CPU-h and 60 GPU-h**). Once this limit has been reached, you can request more by filling in [[https:// |
* **For users of the VU computer network** - you must fill in the [[https:// | * **For users of the VU computer network** - you must fill in the [[https:// | ||
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</ | </ | ||
- | ====== GPU užduotys | + | ====== GPU Tasks (SLURM) ====== |
- | Norint pasinaudoti | + | To use GPU you need to specify additionally |
- | Su '' | + | With '' |
- | Pavyzdys interaktyvios užduoties su 1 GPU: | + | Example of an interactive task with 1 GPU: |
< | < | ||
$ srun -p gpu --gres gpu --pty $SHELL | $ srun -p gpu --gres gpu --pty $SHELL | ||
</ | </ | ||
- | ====== | + | ====== |
- | Ubuntu 18.04 LTS yra **2.1.1** | + | Ubuntu 18.04 LTS is the packet of **2.1.1** OpenMPI |
- | Norint pasinaudoti naujesne | + | To use the newer version |
< | < | ||
module load openmpi/4.0 | module load openmpi/4.0 | ||
</ | </ | ||
- | prieš vykdant | + | before running |
- | ===== MPI programų kompiliavimas | + | ===== MPI Compiling Programs |
- | Paprastos | + | An example of a simple |
< | < | ||
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$ mpif90 -o foo foo.f | $ mpif90 -o foo foo.f | ||
</ | </ | ||
- | ===== MPI programų vykdymas | + | ===== Implementation of MPI Programmes |
- | MPI programos startuojamos su **mpirun** | + | MPI programs are started with **mpirun** |
- | Paprasta | + | A simple |
< | < | ||
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</ | </ | ||
- | Tai naudos visus paskirtus procesorius, | + | All allocated processors will be used according to the number ordered. If you want to use less, you can specify the -np quantity parameter in **mpirun**. |
- | Daugiau apie instaliuotą | + | **ATTENTION** It is strictly forbidden to use more CPU than you have reserved, as this may affect the performance of other tasks. |
- | ====== Užduočių efektyvumas ====== | + | Find more information on [[https:// |
- | * Prašome išnaudoti ne mažiau 50% užsakyto CPU kiekio. | + | ====== Task Efficiency ====== |
- | * Naudoti daugiau CPU, nei užsakyta, nepadidins efektyvumo, nes jūsų užduotis galės naudoti tik tiek CPU, kiek buvo užsakyta. | + | |
- | * Jeigu naudosite parametrą '' | + | |
- | ====== Resursų limitai ====== | + | * Please use at least 50% of the ordered CPU quantity. |
+ | * Using more CPUs than ordered will not improve performance, | ||
+ | * If you use the '' | ||
- | Jeigu jūsų užduotys nestartuoja su priežastimi **AssocGrpCPUMinutesLimit** arba **AssocGrpGRESMinutes**, | + | ====== The Limits of Resources ====== |
- | tai pasitikrinkite ar užduotims dar liko neišnaudotų CPU/GPU resursų iš (mėnesio) limito. | + | |
- | Peržiūrėti kiek išnaudota resursų | + | If your tasks don't start because of **AssocGrpCPUMinutesLimit** or **AssocGrpGRESMinutes**, |
+ | |||
+ | //The first way to see how much resources are used:// | ||
< | < | ||
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</ | </ | ||
- | kur **USERNAME** | + | Where the **USERNAME** |
- | Atkreipkite dėmesį, kad naudojimas pateikiamas minutėmis, o į valandas konvertuoti reikia dalinant iš 60. | + | **NOTE** Usage of resources is given in minutes, divide the number by 60 to get hours. |
- | Kitas būdas pažiūrėti limitus ir jų išnaudojimą | + | //The second way to see how much resources are used:// |
< | < | ||
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</ | </ | ||
- | kur **USERNAME** MIF naudotojo vardas. Arba parametre | + | Where **USERNAME** |
+ | * **GrpTRESRaw** - how much is used. | ||
+ | * **GrpTRESMins** - what is the limit. | ||
+ | * **GGRTRESRunMins** - the remaining resources for tasks that are still running. | ||
+ | |||
+ | ====== The Links ====== | ||
+ | * [[waldur|HPC Waldur portal description]] | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | * [[http:// | ||
+ | * [[pagalba@mif.vu.lt]] - registration of the **HPC** problems. | ||
en/hpc.txt · Last modified: 2024/02/21 12:50 by rolnas