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Code Activity

Added stdout flush and statistical info for debug

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This commit is contained in:
Alain Dargelas 2024-11-05 10:21:26 -08:00
parent 925741bf09
commit 5be70f436f
2 changed files with 28 additions and 6 deletions
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12
passes/cmds/activity.cc
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@ -27,6 +27,7 @@ PRIVATE_NAMESPACE_BEGIN
struct ActivityProp {
Module *module;
SigMap sigmap;
uint32_t nbBitsWithActivity = 0;
// Split a string based on separator, returns a vector of tokens as reference argument
// If skipEmpty is true, return "" for string " ", when separator is " "
@ -81,8 +82,10 @@ struct ActivityProp {
if (i < activities.size()) {
ActivityMap.emplace(bit, activities[i]);
DutyMap.emplace(bit, duties[i]);
nbBitsWithActivity++;
} else {
log_warning("Zeroing out activity for module: %s, wire: %s, wiresize: %d, actisize: %ld", module->name.c_str(), wire->name.c_str(), GetSize(sig), activities.size());
log_warning("Zeroing out activity for module: %s, wire: %s, wire_size: %d, activ_size: %ld", module->name.c_str(),
wire->name.c_str(), GetSize(sig), activities.size());
ActivityMap.emplace(bit, "0.0");
DutyMap.emplace(bit, "0.0");
}
@ -131,6 +134,8 @@ struct ActivityProp {
cell->set_string_attribute("$DUTY:", cell_ports_duty);
}
}
uint32_t getNbBitsWithActivity() { return nbBitsWithActivity; }
};
struct ActivityClear {
@ -168,10 +173,13 @@ struct ActivityPropPass : public Pass {
break;
}
extra_args(args, argidx, design);
uint32_t totalNbBitsWithActivity = 0;
for (auto module : design->modules()) {
ActivityProp worker(module);
totalNbBitsWithActivity += worker.getNbBitsWithActivity();
}
log("Collected %d bits with activity", totalNbBitsWithActivity);
log_flush();
}
} ActivityPropPass;

22
passes/sat/sim.cc
View file

@ -1576,7 +1576,7 @@ struct SimWorker : SimShared
} catch(fst_end_of_data_exception) {
// end of data detected
}
log_flush();
write_output_files();
delete fst;
}
@ -2414,6 +2414,7 @@ struct AnnotateActivity : public OutputWriter {
// Init map
SignalActivityDataMap dataMap;
// For each event (new time when a value changed)
uint32_t nbTotalBits = 0;
for (auto &d : worker->output_data) {
// For each signal/values in that time slice
for (auto &data : d.second) {
@ -2425,6 +2426,7 @@ struct AnnotateActivity : public OutputWriter {
if (itr == dataMap.end()) {
Const value = data.second;
std::vector<uint64_t> vals(GetSize(value), 0);
nbTotalBits += GetSize(value);
std::vector<double_t> dvals(GetSize(value), 0);
SignalActivityData data;
data.highTimes = vals;
@ -2436,7 +2438,8 @@ struct AnnotateActivity : public OutputWriter {
}
}
}
log("Computing signal activity for %ld signals (%d bits)", use_signal.size(), nbTotalBits);
log_flush();
// Max simulation time
int max_time = 0;
// Inititalization of totalEventCounts and max_time
@ -2544,6 +2547,8 @@ struct AnnotateActivity : public OutputWriter {
std::cout << "Clock period: " << clk_period << "\n";
std::cout << "Frequency: " << frequency << "\n";
}
double totalActivity = 0.0f;
double totalDuty = 0.0f;
worker->top->write_output_header(
[this, debug](IdString name) {
if (debug)
@ -2553,8 +2558,8 @@ struct AnnotateActivity : public OutputWriter {
if (debug)
std::cout << "endmodule\n";
},
[this, &use_signal, &dataMap, max_time, real_timescale, clk_period, debug](const char *name, int size, Wire *w, int id,
bool) {
[this, &use_signal, &dataMap, max_time, real_timescale, clk_period, debug, &totalActivity, &totalDuty]
(const char *name, int size, Wire *w, int id, bool) {
if (!use_signal.at(id) || (w == nullptr))
return;
SignalActivityDataMap::const_iterator itr = dataMap.find(id);
@ -2576,9 +2581,14 @@ struct AnnotateActivity : public OutputWriter {
std::cout << " ACK: ";
}
std::string activity_str;
if ((uint32_t) size != toggleCounts.size()) {
std::string full_name = form_vcd_name(name, size, w);
log_warning("Signal size/value mismatch for %s: %d vs %ld", full_name.c_str(), size, toggleCounts.size());
}
for (uint32_t i = 0; i < (uint32_t)size; i++) {
// Compute Activity
double activity = toggleCounts[i] / (((double)max_time * real_timescale / clk_period) * 2.0);
totalActivity += activity;
activity_str += std::to_string(activity) + " ";
}
if (debug) {
@ -2590,6 +2600,7 @@ struct AnnotateActivity : public OutputWriter {
for (uint32_t i = 0; i < (uint32_t)size; i++) {
// Compute Duty cycle
double duty = (double)highTimes[i] / (double)max_time;
totalDuty += duty;
duty_str += std::to_string(duty) + " ";
}
if (debug) {
@ -2599,6 +2610,9 @@ struct AnnotateActivity : public OutputWriter {
w->set_string_attribute("$ACKT", activity_str);
w->set_string_attribute("$DUTY", duty_str);
});
log("Average activity: %f\n", totalActivity / nbTotalBits);
log("Average duty : %f\n", totalDuty / nbTotalBits);
log_flush();
}
};