summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/model.py35
-rw-r--r--lib/parameters.py34
2 files changed, 56 insertions, 13 deletions
diff --git a/lib/model.py b/lib/model.py
index 2ee3c03..10e2928 100644
--- a/lib/model.py
+++ b/lib/model.py
@@ -149,10 +149,19 @@ class AnalyticModel:
with_function_leaves = bool(
int(os.getenv("DFATOOL_DTREE_FUNCTION_LEAVES", "1"))
)
+ with_nonbinary_nodes = bool(
+ int(os.getenv("DFATOOL_DTREE_NONBINARY_NODES", "1"))
+ )
logger.debug(
- f"build_dtree({name}, {attr}, threshold={threshold}, with_function_leaves={with_function_leaves})"
+ f"build_dtree({name}, {attr}, threshold={threshold}, with_function_leaves={with_function_leaves}, with_nonbinary_nodes={with_nonbinary_nodes})"
+ )
+ self.build_dtree(
+ name,
+ attr,
+ threshold=threshold,
+ with_function_leaves=with_function_leaves,
+ with_nonbinary_nodes=with_nonbinary_nodes,
)
- self.build_dtree(name, attr, threshold, with_function_leaves)
self.fit_done = True
def __repr__(self):
@@ -295,6 +304,9 @@ class AnalyticModel:
with_function_leaves = bool(
int(os.getenv("DFATOOL_DTREE_FUNCTION_LEAVES", "1"))
)
+ with_nonbinary_nodes = bool(
+ int(os.getenv("DFATOOL_DTREE_NONBINARY_NODES", "1"))
+ )
threshold = self.attr_by_name[name][attr].stats.std_param_lut
if (
self.dtree_max_std
@@ -303,13 +315,14 @@ class AnalyticModel:
):
threshold = self.dtree_max_std[name][attr]
logger.debug(
- f"build_dtree({name}, {attr}, threshold={threshold}, with_function_leaves={with_function_leaves})"
+ f"build_dtree({name}, {attr}, threshold={threshold}, with_function_leaves={with_function_leaves}, with_nonbinary_nodes={with_nonbinary_nodes})"
)
self.build_dtree(
name,
attr,
- threshold,
+ threshold=threshold,
with_function_leaves=with_function_leaves,
+ with_nonbinary_nodes=with_nonbinary_nodes,
)
else:
self.attr_by_name[name][attr].set_data_from_paramfit(paramfit)
@@ -380,7 +393,14 @@ class AnalyticModel:
return detailed_results
- def build_dtree(self, name, attribute, threshold=100, with_function_leaves=False):
+ def build_dtree(
+ self,
+ name,
+ attribute,
+ threshold=100,
+ with_function_leaves=False,
+ with_nonbinary_nodes=True,
+ ):
if name not in self.attr_by_name:
self.attr_by_name[name] = dict()
@@ -404,8 +424,9 @@ class AnalyticModel:
self.attr_by_name[name][attribute].build_dtree(
self.by_name[name]["param"],
self.by_name[name][attribute],
- with_function_leaves,
- threshold,
+ with_function_leaves=with_function_leaves,
+ with_nonbinary_nodes=with_nonbinary_nodes,
+ threshold=threshold,
)
def to_dref(self, static_quality, lut_quality, model_quality) -> dict:
diff --git a/lib/parameters.py b/lib/parameters.py
index a290db0..5ebf25c 100644
--- a/lib/parameters.py
+++ b/lib/parameters.py
@@ -786,7 +786,14 @@ class ModelAttribute:
if x.fit_success:
self.model_function = x
- def build_dtree(self, parameters, data, with_function_leaves=False, threshold=100):
+ def build_dtree(
+ self,
+ parameters,
+ data,
+ with_function_leaves=False,
+ with_nonbinary_nodes=True,
+ threshold=100,
+ ):
"""
Build a Decision Tree on `param` / `data` for kconfig models.
@@ -799,11 +806,21 @@ class ModelAttribute:
:returns: SplitFunction or StaticFunction
"""
self.model_function = self._build_dtree(
- parameters, data, with_function_leaves, threshold
+ parameters,
+ data,
+ with_function_leaves=with_function_leaves,
+ with_nonbinary_nodes=with_nonbinary_nodes,
+ threshold=threshold,
)
def _build_dtree(
- self, parameters, data, with_function_leaves=False, threshold=100, level=0
+ self,
+ parameters,
+ data,
+ with_function_leaves=False,
+ with_nonbinary_nodes=True,
+ threshold=100,
+ level=0,
):
"""
Build a Decision Tree on `param` / `data` for kconfig models.
@@ -838,6 +855,10 @@ class ModelAttribute:
mean_stds.append(np.inf)
continue
+ if not with_nonbinary_nodes and len(unique_values) > 2:
+ mean_stds.append(np.inf)
+ continue
+
if (
with_function_leaves
and len(unique_values) >= self.min_values_for_analytic_model
@@ -915,9 +936,10 @@ class ModelAttribute:
child[value] = self._build_dtree(
child_parameters,
child_data,
- with_function_leaves,
- threshold,
- level + 1,
+ with_function_leaves=with_function_leaves,
+ with_nonbinary_nodes=with_nonbinary_nodes,
+ threshold=threshold,
+ level=level + 1,
)
assert len(child.values()) >= 2