runtime.sampling settings
Settings namespaces Namespace
Namespace hierarchy
Settings
alpha
#runtime.sampling.alpha
Exponent controlling the sharpness of multichannel weights.
- 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
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
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
lmb_channel_weight
#runtime.sampling.lmb_channel_weight
Rule used to construct the relative probability of each loop-momentum-basis channel.
- Type
LmbChannelWeight- Required
- no
- Default
"ose"- Allowed values
inverse_jacobian,ose
lmb_channels
#runtime.sampling.lmb_channels
Whether loop-momentum-basis channels are summed or sampled discretely.
- Type
SumMode- Required
- no
- Default
"summed"- Allowed values
monte_carlo,summed
lmb_multichanneling
#runtime.sampling.lmb_multichanneling
Enable multichannel sampling over loop-momentum bases.
- Type
boolean- Required
- no
- Default
false- 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