优化雅可比矩阵计算；端口转发情况下仿真结果传输方式优化

native/include/runtime.h

@@ -15,6 +15,10 @@ typedef struct {
     double wall_start, cpu_start, solve_seconds, solve_cpu_seconds, last_progress;
     double max_accepted_step;
     unsigned long nfev, accepted, rejected, events, starts, njev, nlu;
+    /* Structure coloring is automatic; verification is diagnostic only. */
+    int jacobian_verify, jacobian_colored;
+    unsigned long jacobian_rhs, jacobian_colored_evals, jacobian_fallbacks;
+    unsigned long jacobian_checks, jacobian_mismatches, cvode_rhs, linear_rhs;
     int status; /* 0 completed, 1 cancelled, 2 failed */
     const char *message;
 } NativeRun;
@@ -23,6 +27,7 @@ double native_wall_time(void);
 double native_cpu_time(void);
 int native_poll(NativeRun *run, double time);
 int native_rhs(NativeRun *run, double t, const double *y, double *dy);
+int native_jacobian_rhs(NativeRun *run, double t, const double *y, double *dy);
 int native_append(NativeRun *run, double t, const double *y);
 int native_accept(NativeRun *run, double t, double next, const double *old,
                   const double *trial, NativeDense dense, void *context,