Tune CG parameters based on UCI runs
@@ -284,21 +284,21 @@ class lazily_evaluate_kernels(_feature_flag):
class max_cg_iterations(_value_context):
"""
The maximum number of conjugate gradient iterations to perform (when computing
- matrix solves). More values results in more accurate solves
- Default: 20
+ matrix solves). A higher value rarely results in more accurate solves -- instead, lower the CG tolerance.
+ Default: 1000
"""
- _global_value = 100
+ _global_value = 1000
class cg_tolerance(_value_context):
"""
Relative residual tolerance to use for terminating CG.
- Default: 0.05
+ Default: 1
"""
- _global_value = 0.05
+ _global_value = 1
class preconditioner_tolerance(_value_context):
