Omega Macrocycle

This cube generates conformers for input molecules, using

distance geometry. This is especially suitable for conformer generation of macrocycle molecules.

The generated conformers are added to the input record and emitted through the success port.

Related Cubes

Calculation Parameters

  • CPUs (integer) : The number of CPUs to run this cube with
    Default: 1 Min: 1 Max: 128
  • Cube Metrics (string) : Set of metrics to be collected

    Choices: cpu, disk, memory, network
  • Dielectric constant (decimal) : Solvent dielectric constant
    Default: 80.0 Max: 100.0
  • Temporary Disk Space (MiB) (decimal) : The minimum amount of disk space in MiB (1048576 B) this cube requires. Due to overhead, request a couple hundred MiB more than required.
    Default: 5120.0 Min: 128.0 Max: 8589934592
  • Energy Window (decimal) : Energy window for conformer selection.
    Default: 20.0 Max: 500.0
  • GPUs (integer) : The number of GPUs to run this cube with
    Default: 0 Max: 16
  • Instance Tags (string) : Only run on machines with matching tags (comma separated)
    Default: “”
  • Instance Type (string) : The type of instance that this cube needs to be run on
  • Iteration cycle size (integer) : Number of conformers generated per iteration cycle
    Default: 100 Max: 100000
  • Maximum number of conformers (integer) : Maximum number of conformations to generate
    Default: 400 Min: 1 Max: 100000
  • Maximum number of iterations (integer) : Maximum number of iterations for convergence
    Default: 2000 Max: 100000
  • Max Rotors (integer) : Cutoff of rotatable bonds. The cube will skip molecules with rotors more than the cutoff.
    Default: 20 Min: 1 Max: 9999
  • Memory (MiB) (decimal) : The minimum amount of memory in MiBs (1048576 B) this cube requires. Due to overhead, request a couple hundred MiB more than required.
    Default: 1800 Min: 256.0 Max: 8589934592
  • Metric Period (decimal) : How often to sample metrics, in seconds
    Default: 60 Min: 1 Max: 300
  • Refinement tolerance (decimal) : Optimizer tolerance for structure refinement
    Default: 0.001 Max: 1.0
  • Refine structure (boolean) : Refine structure after DG construction
    Default: True
  • RMS Threshold (decimal) : RMS threshold for duplicate conformer removal
    Default: 0.5 Max: 100.0
  • Spot policy (string) : Control cube placement on spot market instances
    Default: Prohibited
    Choices: Allowed, Preferred, NotPreferred, Prohibited, Required

Field parameters

  • None (Field Type: StringVec) : Message extended log field
    Default: Extended Log Field
  • None (Field Type: Chem.Mol) :
  • None (Field Type: String) : Message log field
    Default: Log Field
  • Number of Conformers Field (Field Type: Int) : Field to store the number of conformers
    Default: Number of Confs
  • None (Field Type: Chem.Mol) :

Hardware Parameters

Machine hardware requirements

  • Memory (MiB) (decimal) : The minimum amount of memory in MiBs (1048576 B) this cube requires. Due to overhead, request a couple hundred MiB more than required.
    Default: 1800 Min: 256.0 Max: 8589934592
  • Temporary Disk Space (MiB) (decimal) : The minimum amount of disk space in MiB (1048576 B) this cube requires. Due to overhead, request a couple hundred MiB more than required.
    Default: 5120.0 Min: 128.0 Max: 8589934592
  • GPUs (integer) : The number of GPUs to run this cube with
    Default: 0 Max: 16
  • CPUs (integer) : The number of CPUs to run this cube with
    Default: 1 Min: 1 Max: 128
  • Instance Type (string) : The type of instance that this cube needs to be run on
  • Spot policy (string) : Control cube placement on spot market instances
    Default: Prohibited
    Choices: Allowed, Preferred, NotPreferred, Prohibited, Required
  • Instance Tags (string) : Only run on machines with matching tags (comma separated)
    Default: “”

Metrics Parameters

Cube Metric Parameters

  • Metric Period (decimal) : How often to sample metrics, in seconds
    Default: 60 Min: 1 Max: 300
  • Cube Metrics (string) : Set of metrics to be collected

    Choices: cpu, disk, memory, network

Parallel Omega Macrocycle

The parallel version adds these extra parameters.

  • Number of messages to distribute at a time (integer) : The maximum number of messages to bundle together for a parallel cube.
    Default: 1 Min: 1 Max: 65535
  • Maximum Failures (integer) : The maximum number of times to attempt processing a work item
    Default: 10 Min: 1 Max: 100
  • Autoscale this Cube (boolean) : If True, let Orion manage the parallelism of this Cube
    Default: True
  • Maximum number of Cubes (integer) : The maximum number of concurrently running copies of this Cube
    Default: 1000 Min: 1
  • Minimum number of Cubes (integer) : The minimum number of concurrently running copies of this Cube
    Default: 0

Tip

filename: snowball/omega/macrocycle.py