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small updates

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2025-10-31 13:21:34 -07:00
parent e3c715ce37
commit ec4155ed84
1 changed files with 18 additions and 10 deletions
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28
src/smt/smt_parallel.cpp
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@ -110,17 +110,15 @@ namespace smt {
}
probe_ctx->get_fparams().m_max_conflicts = conflict_budget;
double score = 0.0;
// replay the cube (negation of the clause)
for (expr_ref_vector const& cube : m_recorded_cubes) {
lbool r = probe_ctx->check(cube.size(), cube.data());
unsigned conflicts = probe_ctx->m_stats.m_num_conflicts;
unsigned decisions = probe_ctx->m_stats.m_num_decisions;
IF_VERBOSE(1, verbose_stream() << " PARAM TUNER " << i << ": cube replay result " << r <<
", conflicts = " << conflicts << ", decisions = " << decisions << "\n");
score += conflicts + decisions;
IF_VERBOSE(1, verbose_stream() << " PARAM TUNER " << i << ": cube replay result " << r << "\n");
}
unsigned conflicts = probe_ctx->m_stats.m_num_conflicts;
unsigned decisions = probe_ctx->m_stats.m_num_decisions;
double score = conflicts + decisions;
if (i == 0) {
best_score = score;
@ -183,17 +181,27 @@ namespace smt {
unsigned index = ctx->get_random_value() % new_param_values.size();
auto &param = new_param_values[index];
if (std::holds_alternative<bool>(param.second)) {
bool value = *std::get_if<bool>(&param.second);
param.second = !value;
bool& value = std::get<bool>(param.second);
value = !value;
}
else if (std::holds_alternative<unsigned_value>(param.second)) {
auto [value, lo, hi] = *std::get_if<unsigned_value>(&param.second);
auto [value, lo, hi] = std::get<unsigned_value>(param.second);
unsigned new_value = value;
while (new_value == value) {
new_value = lo + ctx->get_random_value() % (hi - lo + 1);
}
std::get_if<unsigned_value>(&param.second)->value = new_value;
std::get<unsigned_value>(param.second).value = new_value;
}
IF_VERBOSE(0,
for (auto const &[name, val] : new_param_values) {
if (std::holds_alternative<bool>(val)) {
verbose_stream() << name << " = " << std::get<bool>(val) << "\n";
}
else if (std::holds_alternative<unsigned_value>(val)) {
verbose_stream() << name << " = " << std::get<unsigned_value>(val).value << "\n";
}
}
);
return new_param_values;
}