[XSICPP] assert timeout

src/finn/core/rtlsim_exec.py

@@ -284,12 +284,15 @@ def rtlsim_exec_cppxsi(model, execution_context, dummy_data_mode=False, postproc
     launch_process_helper(runsim_cmd, proc_env=runsim_env, cwd=sim_base)
 
     # parse results file and return dict
-    with open(sim_base + "/results.txt", "r") as f:
+    results_filename = sim_base + "/results.txt"
+    with open(results_filename, "r") as f:
         results = f.read().strip().split("\n")
     ret_dict = {}
     for result_line in results:
         key, val = result_line.split("\t")
         ret_dict[key] = int(val)
+    if "TIMEOUT" in ret_dict.keys():
+        assert ret_dict["TIMEOUT"] == 0, f"XSI C++ simulation timed out, see {results_filename}"
     return ret_dict
 
 

src/finn/qnn-data/cpp/xsi_simdriver.cpp

@@ -375,7 +375,10 @@ int main(int argc, char *argv[]) {
             for(size_t i = 0; i < outstream_names.size(); i++) {
                 if(n_out_txns[i] == n_iters_per_output[i]) n_outputs_with_one_completion++;
             }
-            if(n_outputs_with_one_completion == outstream_names.size()) latency = iters;
+            if(n_outputs_with_one_completion == outstream_names.size()) {
+                cout << "All outputs have now produced a sample, latency = " << iters << " cycles" << endl;
+                latency = iters;
+            }
         }
     }
 
@@ -395,6 +398,9 @@ int main(int argc, char *argv[]) {
     results_file << "cycles" << "\t" << iters << endl;
     results_file << "N" << "\t" << n_inferences << endl;
     results_file << "latency_cycles" << "\t" << latency << endl;
+    results_file << "TIMEOUT" << "\t" << timeout ? 1 : 0<< endl;
+    results_file << "INPUT_DONE" << "\t" << input_done ? 1 : 0 << endl;
+    results_file << "OUTPUT_DONE" << "\t" << output_done ? 1 : 0 << endl;
     // optionally, extract more data from final status
     @POSTPROC_CPP@
     results_file.close();