BUG: disable the loop data cache in the nogil build

Author: ngoldbaum

numpy/_core/src/umath/legacy_array_method.c

@@ -33,37 +33,43 @@ typedef struct {
 
 
 /* Use a free list, since we should normally only need one at a time */
+#ifndef Py_GIL_DISABLED
 #define NPY_LOOP_DATA_CACHE_SIZE 5
 static int loop_data_num_cached = 0;
 static  legacy_array_method_auxdata *loop_data_cache[NPY_LOOP_DATA_CACHE_SIZE];
-
+#else
+#define NPY_LOOP_DATA_CACHE_SIZE 0
+#endif
 
 static void
 legacy_array_method_auxdata_free(NpyAuxData *data)
 {
+#if NPY_LOOP_DATA_CACHE_SIZE > 0
     if (loop_data_num_cached < NPY_LOOP_DATA_CACHE_SIZE) {
         loop_data_cache[loop_data_num_cached] = (
                 (legacy_array_method_auxdata *)data);
         loop_data_num_cached++;
     }
-    else {
+    else
+#endif
+    {
         PyMem_Free(data);
     }
 }
 
-#undef NPY_LOOP_DATA_CACHE_SIZE
-
-
 NpyAuxData *
 get_new_loop_data(
         PyUFuncGenericFunction loop, void *user_data, int pyerr_check)
 {
     legacy_array_method_auxdata *data;
+#if NPY_LOOP_DATA_CACHE_SIZE > 0
     if (NPY_LIKELY(loop_data_num_cached > 0)) {
         loop_data_num_cached--;
         data = loop_data_cache[loop_data_num_cached];
     }
-    else {
+    else
+#endif
+    {
         data = PyMem_Malloc(sizeof(legacy_array_method_auxdata));
         if (data == NULL) {
             return NULL;
@@ -77,6 +83,7 @@ get_new_loop_data(
     return (NpyAuxData *)data;
 }
 
+#undef NPY_LOOP_DATA_CACHE_SIZE
 
 /*
  * This is a thin wrapper around the legacy loop signature.