annotate README.rst @ 5:138feebde7d3 draft

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Alphafold compute setup
=======================

Overview
--------

Alphafold requires a customised compute environment to run. The machine
needs a GPU, and access to a 2.2 Tb reference data store.

This document is designed to provide details on the compute environment
required for Alphafold operation, and the Galaxy job destination
settings to run the wrapper.

For full details on Alphafold requirements, see
https://github.com/deepmind/alphafold.

HARDWARE
~~~~~~~~

The machine is recommended to have the following specs: - 12 cores - 80
Gb RAM - 2.5 Tb storage - A fast Nvidia GPU.

As a minimum, the Nvidia GPU must have 8Gb RAM. It also requires
**unified memory** to be switched on. Unified memory is usually enabled
by default, but some HPC systems will turn it off so the GPU can be
shared between multiple jobs concurrently.

ENVIRONMENT
~~~~~~~~~~~

This wrapper runs Alphafold as a singularity container. The following
software are needed:

-  `Singularity <https://sylabs.io/guides/3.0/user-guide/installation.html>`_
-  `NVIDIA Container
   Toolkit <https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/install-guide.html>`_

As Alphafold uses an Nvidia GPU, the NVIDIA Container Toolkit is needed.
This makes the GPU available inside the running singularity container.

To check that everything has been set up correctly, run the following

::

   singularity run --nv docker://nvidia/cuda:11.0-base nvidia-smi

If you can see something similar to this output (details depend on your
GPU), it has been set up correctly.

::

   +-----------------------------------------------------------------------------+
   | NVIDIA-SMI 470.57.02    Driver Version: 470.57.02    CUDA Version: 11.4     |
   |-------------------------------+----------------------+----------------------+
   | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
   | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
   |                               |                      |               MIG M. |
   |===============================+======================+======================|
   |   0  Tesla T4            Off  | 00000000:00:05.0 Off |                    0 |
   | N/A   49C    P0    28W /  70W |      0MiB / 15109MiB |      0%      Default |
   |                               |                      |                  N/A |
   +-------------------------------+----------------------+----------------------+

   +-----------------------------------------------------------------------------+
   | Processes:                                                                  |
   |  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
   |        ID   ID                                                   Usage      |
   |=============================================================================|
   |  No running processes found                                                 |
   +-----------------------------------------------------------------------------+

REFERENCE DATA
~~~~~~~~~~~~~~

Alphafold needs reference data to run. The wrapper expects this data to
be present at ``/data/alphafold_databases``. A custom path will be read from
the ALPHAFOLD_DB environment variable, if set. To download the AlphaFold,
reference data, run the following shell script command in the tool directory.

::

   # make folders if needed
   mkdir /data /data/alphafold_databases

   # download ref data
   bash scripts/download_all_data.sh /data/alphafold_databases

This will install the reference data to ``/data/alphafold_databases``.
To check this has worked, ensure the final folder structure is as
follows:

::

   data/alphafold_databases
   ├── bfd
   │   ├── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_a3m.ffdata
   │   ├── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_a3m.ffindex
   │   ├── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_cs219.ffdata
   │   ├── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_cs219.ffindex
   │   ├── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_hhm.ffdata
   │   └── bfd_metaclust_clu_complete_id30_c90_final_seq.sorted_opt_hhm.ffindex
   ├── mgnify
   │   └── mgy_clusters_2018_12.fa
   ├── params
   │   ├── LICENSE
   │   ├── params_model_1.npz
   │   ├── params_model_1_ptm.npz
   │   ├── params_model_2.npz
   │   ├── params_model_2_ptm.npz
   │   ├── params_model_3.npz
   │   ├── params_model_3_ptm.npz
   │   ├── params_model_4.npz
   │   ├── params_model_4_ptm.npz
   │   ├── params_model_5.npz
   │   └── params_model_5_ptm.npz
   ├── pdb70
   │   ├── md5sum
   │   ├── pdb70_a3m.ffdata
   │   ├── pdb70_a3m.ffindex
   │   ├── pdb70_clu.tsv
   │   ├── pdb70_cs219.ffdata
   │   ├── pdb70_cs219.ffindex
   │   ├── pdb70_hhm.ffdata
   │   ├── pdb70_hhm.ffindex
   │   └── pdb_filter.dat
   ├── pdb_mmcif
   │   ├── mmcif_files
   │   └── obsolete.dat
   ├── uniclust30
   │   └── uniclust30_2018_08
   └── uniref90
       └── uniref90.fasta

JOB DESTINATION
~~~~~~~~~~~~~~~

Alphafold needs a custom singularity job destination to run. The
destination needs to be configured for singularity, and some extra
singularity params need to be set as seen below.

Specify the job runner. For example, a local runner

::

   <plugin id="alphafold_runner" type="runner" load="galaxy.jobs.runners.local:LocalJobRunner"/>

Customise the job destination with required singularity settings. The
settings below are mandatory, but you may include other settings as
needed.

::

   <destination id="alphafold" runner="alphafold_runner">
       <param id="dependency_resolution">'none'</param>
       <param id="singularity_enabled">true</param>
       <param id="singularity_run_extra_arguments">--nv</param>
       <param id="singularity_volumes">"$job_directory:ro,$tool_directory:ro,$job_directory/outputs:rw,$working_directory:rw,/data/alphafold_databases:/data:ro"</param>
   </destination>

Closing
~~~~~~~

If you are experiencing technical issues, feel free to write to
[e-mail]. We may be able to provide advice on setting up
Alphafold on your compute environment.