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add parameter for scenario from #4743

This commit is contained in:
Nikolaj Bjorner 2020-10-30 01:14:34 -07:00
parent ceedd7e84d
commit f354671465
5 changed files with 21 additions and 18 deletions

View file

@ -30,6 +30,7 @@ void array_rewriter::updt_params(params_ref const & _p) {
m_expand_select_store = p.expand_select_store();
m_expand_store_eq = p.expand_store_eq();
m_expand_nested_stores = p.expand_nested_stores();
m_blast_select_store = p.blast_select_store();
m_expand_select_ite = false;
}
@ -179,7 +180,7 @@ br_status array_rewriter::mk_select_core(unsigned num_args, expr * const * args,
return BR_REWRITE1;
}
default:
if (m_expand_select_store && to_app(args[0])->get_arg(0)->get_ref_count() == 1) {
if (m_blast_select_store || (m_expand_select_store && to_app(args[0])->get_arg(0)->get_ref_count() == 1)) {
// select(store(a, I, v), J) --> ite(I=J, v, select(a, J))
ptr_buffer<expr> new_args;
new_args.push_back(to_app(args[0])->get_arg(0));

View file

@ -28,11 +28,12 @@ Notes:
*/
class array_rewriter {
array_util m_util;
bool m_sort_store;
bool m_expand_select_store;
bool m_expand_store_eq;
bool m_expand_select_ite;
bool m_expand_nested_stores;
bool m_sort_store { false };
bool m_blast_select_store { false };
bool m_expand_select_store { false };
bool m_expand_store_eq { false };
bool m_expand_select_ite { false };
bool m_expand_nested_stores { false };
template<bool CHECK_DISEQ>
lbool compare_args(unsigned num_args, expr * const * args1, expr * const * args2);
void mk_eq(expr* e, expr* lhs, expr* rhs, expr_ref_vector& fmls);
@ -48,7 +49,6 @@ public:
array_rewriter(ast_manager & m, params_ref const & p = params_ref()):
m_util(m) {
updt_params(p);
}
ast_manager & m() const { return m_util.get_manager(); }
family_id get_fid() const { return m_util.get_family_id(); }

View file

@ -789,8 +789,6 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
};
}
template class rewriter_tpl<th_rewriter_cfg>;
struct th_rewriter::imp : public rewriter_tpl<th_rewriter_cfg> {
th_rewriter_cfg m_cfg;
imp(ast_manager & m, params_ref const & p):

View file

@ -1,7 +1,8 @@
def_module_params(module_name='rewriter',
class_name='array_rewriter_params',
export=True,
params=(("expand_select_store", BOOL, False, "replace a (select (store ...) ...) term by an if-then-else term"),
params=(("expand_select_store", BOOL, False, "conservatively replace a (select (store ...) ...) term by an if-then-else term"),
("blast_select_store", BOOL, False, "eagerly replace all (select (store ..) ..) term by an if-then-else term"),
("expand_nested_stores", BOOL, False, "replace nested stores by a lambda expression"),
("expand_store_eq", BOOL, False, "reduce (store ...) = (store ...) with a common base into selects"),
("sort_store", BOOL, False, "sort nested stores when the indices are known to be different")))

View file

@ -20,17 +20,19 @@ Revision History:
--*/
#include "util/scoped_timer.h"
#include "util/mutex.h"
#include "util/util.h"
#include "util/vector.h"
#include <chrono>
#include <climits>
#include <condition_variable>
#include <mutex>
#include <thread>
#include <vector>
#include <atomic>
struct state {
struct scoped_timer_state {
std::thread * m_thread { nullptr };
std::timed_mutex m_mutex;
event_handler * eh;
@ -39,11 +41,11 @@ struct state {
std::condition_variable_any cv;
};
static std::vector<state*> available_workers;
static std::vector<scoped_timer_state*> available_workers;
static std::mutex workers;
static atomic<unsigned> num_workers(0);
static std::atomic<unsigned> num_workers(0);
static void thread_func(state *s) {
static void thread_func(scoped_timer_state *s) {
workers.lock();
while (true) {
s->cv.wait(workers, [=]{ return s->work > 0; });
@ -71,16 +73,17 @@ static void thread_func(state *s) {
}
}
struct scoped_timer::imp {
private:
state *s;
scoped_timer_state *s;
public:
imp(unsigned ms, event_handler * eh) {
workers.lock();
if (available_workers.empty()) {
workers.unlock();
s = new state;
s = new scoped_timer_state;
++num_workers;
}
else {