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add lrb/chb and experiment with them

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-28 10:48:31 -07:00
commit e0a86ccc1a
28 changed files with 459 additions and 281 deletions
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14
src/sat/sat_config.h
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@ -44,6 +44,12 @@ namespace sat {
GC_PSM_GLUE
};
enum branching_heuristic {
BH_VSIDS,
BH_CHB,
BH_LRB
};
struct config {
unsigned long long m_max_memory;
phase_selection m_phase;
@ -95,6 +101,14 @@ namespace sat {
symbol m_glue_psm;
symbol m_psm_glue;
// branching heuristic settings.
branching_heuristic m_branching_heuristic;
bool m_anti_exploration;
double m_step_size_init;
double m_step_size_dec;
double m_step_size_min;
double m_reward_multiplier;
double m_reward_offset;
config(params_ref const & p);
void updt_params(params_ref const & p);
static void collect_param_descrs(param_descrs & d);