Reduce ENTER_EXECUTOR's exit quality

Author: Fidget-Spinner

Include/internal/pycore_optimizer.h

@@ -37,7 +37,7 @@ extern "C" {
 /* Exit quality thresholds: trace stops when fitness < exit_quality.
  * Higher = trace is more willing to stop here. */
 #define EXIT_QUALITY_CLOSE_LOOP      (FITNESS_INITIAL - AVG_SLOTS_PER_INSTRUCTION*4)
-#define EXIT_QUALITY_ENTER_EXECUTOR  (FITNESS_INITIAL * 3 / 8)
+#define EXIT_QUALITY_ENTER_EXECUTOR  (FITNESS_INITIAL * 1 / 8)
 #define EXIT_QUALITY_DEFAULT         (FITNESS_INITIAL / 8)
 #define EXIT_QUALITY_SPECIALIZABLE   (FITNESS_INITIAL / 80)
 

Modules/_testinternalcapi/test_cases.c.h

@@ -3455,7 +3455,7 @@ dummy_func(
                 int og_oparg = (oparg & ~255) | executor->vm_data.oparg;
                 next_instr = this_instr;
                 if (_PyJit_EnterExecutorShouldStopTracing(og_opcode)) {
-                    if (_PyOpcode_Caches[_PyOpcode_Deopt[opcode]]) {
+                    if (_PyOpcode_Caches[_PyOpcode_Deopt[og_opcode]]) {
                         PAUSE_ADAPTIVE_COUNTER(this_instr[1].counter);
                     }
                     opcode = og_opcode;

Python/bytecodes.c

@@ -617,7 +617,7 @@ compute_exit_quality(_Py_CODEUNIT *target_instr, int opcode,
     if (target_instr == tracer->initial_state.close_loop_instr) {
         return EXIT_QUALITY_CLOSE_LOOP;
     }
-    else if (target_instr->op.code == ENTER_EXECUTOR && !_PyJit_EnterExecutorShouldStopTracing(opcode)) {
+    else if (target_instr->op.code == ENTER_EXECUTOR) {
         return EXIT_QUALITY_ENTER_EXECUTOR;
     }
     else if (opcode == JUMP_BACKWARD_JIT ||