mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2026-06-19 15:16:29 +00:00
Code Activity

normalize parallel params

Browse source
This commit is contained in:
Ilana Shapiro 2026-06-14 23:31:47 -07:00
parent 5b307545e6
commit be1b2f6e15
3 changed files with 25 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/solver/parallel_tactical2.cpp
View file

@ -953,6 +953,7 @@ class parallel_solver {
bool m_share_units_initial_only = true;
bool m_core_minimize = false;
bool m_global_backbones = false;
bool m_ablate_backtracking = false;
unsigned m_max_cube_depth = 20;
};
@ -1117,7 +1118,10 @@ class parallel_solver {
: id(id), b(p.m_batch_manager), asms(m), m_g2l(src.get_manager(), m), m_l2g(m, src.get_manager()) {
parallel_params pp(params);
m_config.m_core_minimize = pp.core_minimize();
m_config.m_ablate_backtracking = pp.ablate_backtracking();
m_config.m_global_backbones = pp.num_bb_threads() > 0;
if (m_config.m_ablate_backtracking)
m_config.m_core_minimize = false;
s = src.translate(m, params);
// don't share initial units
@ -1211,7 +1215,8 @@ class parallel_solver {
LOG_WORKER(1, " found unsat cube\n");
auto* source = lease.leased_node;
b.backtrack(m_l2g, id, unsat_core, lease);
expr_ref_vector const& core_to_use = m_config.m_ablate_backtracking ? cube : unsat_core;
b.backtrack(m_l2g, id, core_to_use, lease);
if (m_config.m_core_minimize)
b.enqueue_core_minimization(m_l2g, source, unsat_core);
@ -1869,6 +1874,8 @@ public:
static_cast<unsigned>(std::thread::hardware_concurrency()),
pp.threads_max());
bool core_minimize = pp.core_minimize();
if (pp.ablate_backtracking())
core_minimize = false;
unsigned num_bb_threads = pp.num_bb_threads();
if (num_bb_threads > 2)
throw default_exception("parallel.num_bb_threads must be 0, 1, or 2");