Added deepcopy of unmodified restrictions for reconstructing Searchspace later

Author: fjwillemsen

kernel_tuner/interface.py

@@ -30,6 +30,7 @@
 from datetime import datetime
 from pathlib import Path
 from time import perf_counter
+from copy import deepcopy
 
 import numpy
 from constraint import Constraint
@@ -607,14 +608,6 @@ def tune_kernel(
     # ensure there is always at least three names
     util.append_default_block_size_names(block_size_names)
 
-    # if the restrictions are not constraints or a callable, the restrictions are strings, so parse them to functions (increases restrictions check performance significantly)
-    if (
-        restrictions is not None
-        and not callable(restrictions)
-        and not any(isinstance(r, Constraint) for r in restrictions)
-    ):
-        restrictions = util.compile_restrictions(restrictions, tune_params)
-
     # sort all the options into separate dicts
     opts = locals()
     kernel_options = Options([(k, opts[k]) for k in _kernel_options.keys()])
@@ -675,6 +668,7 @@ def preprocess_cache(filepath):
         tuning_options.cachefile = None
 
     # create search space
+    tuning_options.restrictions_unmodified = deepcopy(restrictions)
     searchspace = Searchspace(tune_params, restrictions, runner.dev.max_threads)
     restrictions = searchspace._modified_restrictions
     tuning_options.restrictions = restrictions

kernel_tuner/runners/simulation.py

@@ -82,7 +82,7 @@ def run(self, parameter_space, tuning_options):
 
         results = []
 
-        # iterate over parameter space
+        # iterate over parameter space 
         for element in parameter_space:
 
             # check if element is in the cache