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Add "mutate -cfg", improve pick_cover behavior 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-03-14 23:20:41 +01:00
parent 4d304e3da7
commit 27a5d9c91e
1 changed files with 101 additions and 46 deletions
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135
passes/sat/mutate.cc
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@ -42,8 +42,23 @@ struct mutate_opts_t {
int portbit = -1;
int ctrlbit = -1;
int wirebit = -1;
IdString ctrl_name;
int ctrl_width, ctrl_value;
int ctrl_width = -1, ctrl_value = -1;
int pick_cover_prcnt = 50;
int weight_cover = 500;
int weight_pq_w = 100;
int weight_pq_b = 100;
int weight_pq_c = 100;
int weight_pq_s = 100;
int weight_pq_mw = 100;
int weight_pq_mb = 100;
int weight_pq_mc = 100;
int weight_pq_ms = 100;
};
void database_add(std::vector<mutate_t> &database, const mutate_opts_t &opts, const mutate_t &entry)
@ -122,25 +137,19 @@ struct mutate_leaf_queue_t
{
pool<mutate_t*, hash_ptr_ops> db;
mutate_t *pick(xs128_t &rng, dict<string, int> &coverdb) {
mutate_t *pick(xs128_t &rng, dict<string, int> &coverdb, const mutate_opts_t &opts) {
mutate_t *m = nullptr;
if (rng(3)) {
if (rng(100) < opts.pick_cover_prcnt) {
vector<mutate_t*> candidates;
int best_score = -1;
for (auto p : db) {
if (p->used || p->src.empty())
continue;
int this_score = -1;
bool is_covered = false;
for (auto &s : p->src) {
if (this_score == -1 || this_score > coverdb.at(s))
this_score = coverdb.at(s);
if (coverdb.at(s))
is_covered = true;
}
log_assert(this_score != -1);
if (best_score == -1 || this_score < best_score) {
candidates.clear();
best_score = this_score;
}
if (best_score == this_score)
if (!is_covered)
candidates.push_back(p);
}
if (!candidates.empty())
@ -176,11 +185,11 @@ struct mutate_inner_queue_t
{
dict<K, T> db;
mutate_t *pick(xs128_t &rng, dict<string, int> &coverdb) {
mutate_t *pick(xs128_t &rng, dict<string, int> &coverdb, const mutate_opts_t &opts) {
while (!db.empty()) {
int i = rng(GetSize(db));
auto it = db.element(i);
mutate_t *m = it->second.pick(rng, coverdb);
mutate_t *m = it->second.pick(rng, coverdb, opts);
if (m != nullptr)
return m;
db.erase(it);
@ -194,25 +203,13 @@ struct mutate_inner_queue_t
}
};
void database_reduce(std::vector<mutate_t> &database, const mutate_opts_t &/* opts */, int N, xs128_t &rng)
void database_reduce(std::vector<mutate_t> &database, const mutate_opts_t &opts, int N, xs128_t &rng)
{
std::vector<mutate_t> new_database;
dict<string, int> coverdb;
int weight_cover = 500;
int weight_pq_w = 100;
int weight_pq_b = 100;
int weight_pq_c = 100;
int weight_pq_s = 100;
int weight_pq_mw = 100;
int weight_pq_mb = 100;
int weight_pq_mc = 100;
int weight_pq_ms = 100;
int total_weight = weight_cover + weight_pq_w + weight_pq_b + weight_pq_c + weight_pq_s;
total_weight += weight_pq_mw + weight_pq_mb + weight_pq_mc + weight_pq_ms;
int total_weight = opts.weight_cover + opts.weight_pq_w + opts.weight_pq_b + opts.weight_pq_c + opts.weight_pq_s;
total_weight += opts.weight_pq_mw + opts.weight_pq_mb + opts.weight_pq_mc + opts.weight_pq_ms;
if (N >= GetSize(database))
return;
@ -254,7 +251,7 @@ void database_reduce(std::vector<mutate_t> &database, const mutate_opts_t &/* op
{
int k = rng(total_weight);
k -= weight_cover;
k -= opts.weight_cover;
if (k < 0) {
while (!skip_cover) {
if (cover_candidates.empty()) {
@ -319,21 +316,21 @@ void database_reduce(std::vector<mutate_t> &database, const mutate_opts_t &/* op
#define X(__wght, __queue) \
k -= __wght; \
if (k < 0) { \
mutate_t *m = __queue.pick(rng, coverdb); \
mutate_t *m = __queue.pick(rng, coverdb, opts); \
if (m != nullptr) \
new_database.push_back(*m); \
continue; \
}
X(weight_pq_w, primary_queue_wire)
X(weight_pq_b, primary_queue_bit)
X(weight_pq_c, primary_queue_cell)
X(weight_pq_s, primary_queue_src)
X(opts.weight_pq_w, primary_queue_wire)
X(opts.weight_pq_b, primary_queue_bit)
X(opts.weight_pq_c, primary_queue_cell)
X(opts.weight_pq_s, primary_queue_src)
X(weight_pq_mw, primary_queue_module_wire)
X(weight_pq_mb, primary_queue_module_bit)
X(weight_pq_mc, primary_queue_module_cell)
X(weight_pq_ms, primary_queue_module_src)
X(opts.weight_pq_mw, primary_queue_module_wire)
X(opts.weight_pq_mb, primary_queue_module_bit)
X(opts.weight_pq_mc, primary_queue_module_cell)
X(opts.weight_pq_ms, primary_queue_module_src)
#undef X
}
@ -654,6 +651,12 @@ struct MutatePass : public Pass {
log(" Filter list of mutation candidates to those matching\n");
log(" the given parameters.\n");
log("\n");
log(" -cfg option int\n");
log(" Set a configuration option. Options available:\n");
log(" weight_pq_w weight_pq_b weight_pq_c weight_pq_s\n");
log(" weight_pq_mw weight_pq_mb weight_pq_mc weight_pq_ms\n");
log(" weight_cover pick_cover_prcnt\n");
log("\n");
log("\n");
log(" mutate -mode MODE [options]\n");
log("\n");
@ -741,6 +744,58 @@ struct MutatePass : public Pass {
opts.src.insert(args[++argidx]);
continue;
}
if (args[argidx] == "-cfg" && argidx+2 < args.size()) {
if (args[argidx+1] == "pick_cover_prcnt") {
opts.pick_cover_prcnt = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_cover") {
opts.weight_cover = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_w") {
opts.weight_pq_w = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_b") {
opts.weight_pq_b = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_c") {
opts.weight_pq_c = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_s") {
opts.weight_pq_s = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_mw") {
opts.weight_pq_mw = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_mb") {
opts.weight_pq_mb = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_mc") {
opts.weight_pq_mc = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
if (args[argidx+1] == "weight_pq_ms") {
opts.weight_pq_ms = atoi(args[argidx+2].c_str());
argidx += 2;
continue;
}
}
break;
}
extra_args(args, argidx, design);