deepdog/deepdog/bayes_run_with_ss.py
Deepak Mallubhotla a170a3ce01
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gitea-physics/deepdog/pipeline/head This commit looks good
fix: fixes clamping format etc.
2023-07-24 10:26:35 -05:00

233 lines
6.6 KiB
Python

import deepdog.subset_simulation
import pdme.inputs
import pdme.model
import pdme.measurement.input_types
import pdme.measurement.oscillating_dipole
import pdme.util.fast_v_calc
import pdme.util.fast_nonlocal_spectrum
from typing import Sequence, Tuple, List, Optional
import datetime
import csv
import logging
import numpy
import numpy.typing
# TODO: remove hardcode
CHUNKSIZE = 50
# TODO: It's garbage to have this here duplicated from pdme.
DotInput = Tuple[numpy.typing.ArrayLike, float]
CLAMPING_FACTOR = 10
_logger = logging.getLogger(__name__)
class BayesRunWithSubspaceSimulation:
"""
A single Bayes run for a given set of dots.
Parameters
----------
dot_inputs : Sequence[DotInput]
The dot inputs for this bayes run.
models_with_names : Sequence[Tuple(str, pdme.model.DipoleModel)]
The models to evaluate.
actual_model : pdme.model.DipoleModel
The model which is actually correct.
filename_slug : str
The filename slug to include.
run_count: int
The number of runs to do.
"""
def __init__(
self,
dot_positions: Sequence[numpy.typing.ArrayLike],
frequency_range: Sequence[float],
models_with_names: Sequence[Tuple[str, pdme.model.DipoleModel]],
actual_model: pdme.model.DipoleModel,
filename_slug: str,
max_frequency: float = 20,
end_threshold: float = None,
run_count=100,
chunksize: int = CHUNKSIZE,
ss_n_c: int = 500,
ss_n_s: int = 100,
ss_m_max: int = 15,
ss_target_cost: Optional[float] = None,
ss_level_0_seed: int = 200,
ss_mcmc_seed: int = 20,
ss_use_adaptive_steps=True,
ss_default_phi_step=0.01,
ss_default_theta_step=0.01,
ss_default_r_step=0.01,
ss_default_w_log_step=0.01,
ss_default_upper_w_log_step=4,
) -> None:
self.dot_inputs = pdme.inputs.inputs_with_frequency_range(
dot_positions, frequency_range
)
self.dot_inputs_array = pdme.measurement.input_types.dot_inputs_to_array(
self.dot_inputs
)
self.models_with_names = models_with_names
self.models = [model for (_, model) in models_with_names]
self.model_names = [name for (name, _) in models_with_names]
self.actual_model = actual_model
self.n: int
try:
self.n = self.actual_model.n # type: ignore
except AttributeError:
self.n = 1
self.model_count = len(self.models)
self.csv_fields = []
for i in range(self.n):
self.csv_fields.extend(
[
f"dipole_moment_{i+1}",
f"dipole_location_{i+1}",
f"dipole_frequency_{i+1}",
]
)
self.compensate_zeros = True
self.chunksize = chunksize
for name in self.model_names:
self.csv_fields.extend([f"{name}_likelihood", f"{name}_prob"])
self.probabilities = [1 / self.model_count] * self.model_count
timestamp = datetime.datetime.now().strftime("%Y%m%d-%H%M%S")
self.filename = f"{timestamp}-{filename_slug}.bayesrunwithss.csv"
self.max_frequency = max_frequency
if end_threshold is not None:
if 0 < end_threshold < 1:
self.end_threshold: float = end_threshold
self.use_end_threshold = True
_logger.info(f"Will abort early, at {self.end_threshold}.")
else:
raise ValueError(
f"end_threshold should be between 0 and 1, but is actually {end_threshold}"
)
self.ss_n_c = ss_n_c
self.ss_n_s = ss_n_s
self.ss_m_max = ss_m_max
self.ss_target_cost = ss_target_cost
self.ss_level_0_seed = ss_level_0_seed
self.ss_mcmc_seed = ss_mcmc_seed
self.ss_use_adaptive_steps = ss_use_adaptive_steps
self.ss_default_phi_step = ss_default_phi_step
self.ss_default_theta_step = ss_default_theta_step
self.ss_default_r_step = ss_default_r_step
self.ss_default_w_log_step = ss_default_w_log_step
self.ss_default_upper_w_log_step = ss_default_upper_w_log_step
self.run_count = run_count
def go(self) -> None:
with open(self.filename, "a", newline="") as outfile:
writer = csv.DictWriter(outfile, fieldnames=self.csv_fields, dialect="unix")
writer.writeheader()
for run in range(1, self.run_count + 1):
# Generate the actual dipoles
actual_dipoles = self.actual_model.get_dipoles(self.max_frequency)
measurements = actual_dipoles.get_dot_measurements(self.dot_inputs)
_logger.info(f"Going to work on dipole at {actual_dipoles.dipoles}")
# define a new seed sequence for each run
results = []
_logger.debug("Going to iterate over models now")
for model_count, model in enumerate(self.models_with_names):
_logger.debug(f"Doing model #{model_count}, {model[0]}")
subset_run = deepdog.subset_simulation.SubsetSimulation(
model,
self.dot_inputs,
measurements,
self.ss_n_c,
self.ss_n_s,
self.ss_m_max,
self.ss_target_cost,
self.ss_level_0_seed,
self.ss_mcmc_seed,
self.ss_use_adaptive_steps,
self.ss_default_phi_step,
self.ss_default_theta_step,
self.ss_default_r_step,
self.ss_default_w_log_step,
self.ss_default_upper_w_log_step,
)
results.append(subset_run.execute())
_logger.debug("Done, constructing output now")
row = {
"dipole_moment_1": actual_dipoles.dipoles[0].p,
"dipole_location_1": actual_dipoles.dipoles[0].s,
"dipole_frequency_1": actual_dipoles.dipoles[0].w,
}
for i in range(1, self.n):
try:
current_dipoles = actual_dipoles.dipoles[i]
row[f"dipole_moment_{i+1}"] = current_dipoles.p
row[f"dipole_location_{i+1}"] = current_dipoles.s
row[f"dipole_frequency_{i+1}"] = current_dipoles.w
except IndexError:
_logger.info(f"Not writing anymore, saw end after {i}")
break
likelihoods: List[float] = []
for (name, result) in zip(self.model_names, results):
if result.over_target_likelihood is None:
clamped_likelihood = result.probs_list[-1][0] / CLAMPING_FACTOR
_logger.warning(f"got a none result, clamping to {clamped_likelihood}")
else:
clamped_likelihood = result.over_target_likelihood
likelihoods.append(clamped_likelihood)
row[f"{name}_likelihood"] = clamped_likelihood
success_weight = sum(
[
likelihood * prob
for likelihood, prob in zip(likelihoods, self.probabilities)
]
)
new_probabilities = [
likelihood * old_prob / success_weight
for likelihood, old_prob in zip(likelihoods, self.probabilities)
]
self.probabilities = new_probabilities
for name, probability in zip(self.model_names, self.probabilities):
row[f"{name}_prob"] = probability
_logger.info(row)
with open(self.filename, "a", newline="") as outfile:
writer = csv.DictWriter(
outfile, fieldnames=self.csv_fields, dialect="unix"
)
writer.writerow(row)
if self.use_end_threshold:
max_prob = max(self.probabilities)
if max_prob > self.end_threshold:
_logger.info(
f"Aborting early, because {max_prob} is greater than {self.end_threshold}"
)
break