runtime.sampling settings
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Settings
alpha
#runtime.sampling.alpha
Exponent of each selected loop edge's on-shell energy in an OSE channel score.
- Type
number- Required
- no
- Default
3.0- Allowed values
- Any value accepted by the declared type
b
#runtime.sampling.b
Scale parameter of the selected radial mapping.
- Type
number- Required
- no
- Default
1.0- Allowed values
- Any value accepted by the declared type
channel_definitions
#runtime.sampling.channel_definitions
Named channel definitions keyed first by graph name, then by channel name.
- Type
object- Required
- no
- Default
- Not set
- Allowed values
- Any value accepted by the declared type
channel_selection
#runtime.sampling.channel_selection
Channel selectors keyed by graph name, overriding the default selection.
- Type
object- Required
- no
- Default
- Not set
- Allowed values
- Any value accepted by the declared type
coordinate_system
#runtime.sampling.coordinate_system
Coordinate system used to parameterize loop momenta.
- Type
CoordinateSystem- Required
- no
- Default
"spherical"- Allowed values
cartesian,hyperspherical,hyperspherical_flat,momentum_space,relative_spherical,spherical,spherical_common_radial,spherical_product_common_radial,tropical
default_channel_selection
#runtime.sampling.default_channel_selection
Default channel selectors for graphs without a graph-specific selection.
- Type
array<string>- Required
- no
- Default
- Not set
- Allowed values
- Any value accepted by the declared type
graph_names
#runtime.sampling.graph_names
Optional graph-name allow-list for discrete graph sampling.
- Type
array<string>- Required
- no
- Default
Show structured value
[]- Allowed values
- Any value accepted by the declared type
graphs
#runtime.sampling.graphs
Whether graph contributions are summed deterministically or sampled as a discrete axis.
- Type
SumMode- Required
- no
- Default
"summed"- Allowed values
monte_carlo,summed
lmb_basis_ids
#runtime.sampling.lmb_basis_ids
Explicit loop-momentum-basis identifiers keyed by graph name.
- Type
object- Required
- no
- Default
- Not set
- Allowed values
- Any value accepted by the declared type
mapping
#runtime.sampling.mapping
Mapping from the unit hypercube to unbounded radial coordinates.
- Type
ParameterizationMapping- Required
- no
- Default
"linear"- Allowed values
linear,log,power
orientations
#runtime.sampling.orientations
Whether causal orientations are summed deterministically or sampled as a discrete axis.
- Type
SumMode- Required
- no
- Default
"summed"- Allowed values
monte_carlo,summed
power
#runtime.sampling.power
Power parameter of the selected radial mapping.
- Type
number- Required
- no
- Default
1.0- Allowed values
- Any value accepted by the declared type
sampling_channel_weight
#runtime.sampling.sampling_channel_weight
Rule used to construct the relative probability of each resolved sampling channel.
- Type
SamplingChannelWeight- Required
- no
- Default
"map_density"- Allowed values
inverse_jacobian,map_density,ose,singularity_proxy
sampling_channels
#runtime.sampling.sampling_channels
Whether resolved sampling channels are summed or sampled discretely.
- Type
SumMode- Required
- no
- Default
"summed"- Allowed values
monte_carlo,summed
sampling_multichanneling
#runtime.sampling.sampling_multichanneling
Enable multichannel sampling over the resolved graph-aware channels.
- Type
boolean- Required
- no
- Default
false- Allowed values
- Any value accepted by the declared type