Construct OperationListIntegerIndexLookup

Performance Diagrams

Construct OperationListIntegerIndexLookup 00100000010000002000000200000030000003000000400000040000005000000500000060000006000000700000070000008000000800000090000009000000CPython 2.7Nuitka (master)Nuitka (develop)Nuitka (factory)909169889.78846153846155257.0CPython 2.74899990244.59615384615387370.9320217868417Nuitka (master)4900002399.4038461538462370.9316956228385Nuitka (develop)4900010554.2115384615385370.93147818016973Nuitka (factory)Construct OperationListIntegerIndexLookupTicks Construct OperationListIntegerIndexLookup 0010000001000000200000020000003000000300000040000004000000500000050000006000000600000070000007000000800000080000009000000900000010000000100000001100000011000000CPython 3.5Nuitka (master)Nuitka (develop)Nuitka (factory)1198391088.95192307692307257.0CPython 3.55350281242.31730769230768393.78939358946866Nuitka (master)5349631395.6826923076923393.8027969778452Nuitka (develop)5350215549.0480769230769393.7907545489038Nuitka (factory)Construct OperationListIntegerIndexLookupTicks

Source Code with Construct

module_value1 = [1,2,3,4,5]
module_value2 = 3

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin
    t = s[t]
# construct_end

    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Source Code without Construct

module_value1 = [1,2,3,4,5]
module_value2 = 3

def calledRepeatedly():
    # Force frame and eliminate forward propagation (currently).
    module_value1

    local_value = module_value1

    s = module_value1
    t = module_value2
# construct_begin



    return s, t, local_value

import itertools
for x in itertools.repeat(None, 50000):
    calledRepeatedly()

print("OK.")

Context Diff of Source Code


Construct
Baseline
28     local_value = module_value1 28     local_value = module_value1
29 29
30     s = module_value1 30     s = module_value1
31     t = module_value2 31     t = module_value2
32 # construct_begin 32 # construct_begin
t 33     t = s[t] t 33  
34 # construct_end 34  
35 35
36     return s, t, local_value 36     return s, t, local_value
37 37
38 import itertools 38 import itertools
39 for x in itertools.repeat(None, 50000): 39 for x in itertools.repeat(None, 50000):

Context Diff of Generated Code


Construct
Baseline
276         tmp_assign_source_3 = tmp_mvar_value_4; 276         tmp_assign_source_3 = tmp_mvar_value_4;
277         assert(var_t == NULL); 277         assert(var_t == NULL);
278         Py_INCREF(tmp_assign_source_3); 278         Py_INCREF(tmp_assign_source_3);
279         var_t = tmp_assign_source_3; 279         var_t = tmp_assign_source_3;
280     } 280     }
n 281     { n
282         PyObject *tmp_assign_source_4;
283         PyObject *tmp_subscribed_name_1;
284         PyObject *tmp_subscript_name_1;
285         CHECK_OBJECT(var_s);
286         tmp_subscribed_name_1 = var_s;
287         CHECK_OBJECT(var_t);
288         tmp_subscript_name_1 = var_t;
289         tmp_assign_source_4 = LOOKUP_SUBSCRIPT(tmp_subscribed_name_1, tmp_subscript_name_1);
290         if (tmp_assign_source_4 == NULL) {
291             assert(ERROR_OCCURRED());
292  
293             FETCH_ERROR_OCCURRED(&exception_type, &exception_value, &exception_tb);
294  
295  
296             exception_lineno = 33;
297             type_description_1 = "ooo";
298             goto frame_exception_exit_1;
299         }
300         {
301             PyObject *old = var_t;
302             assert(old != NULL);
303             var_t = tmp_assign_source_4;
304             Py_DECREF(old);
305         }
306  
307     }
308 281
309 #if 0 282 #if 0
310     RESTORE_FRAME_EXCEPTION(frame_e5c547a270a438b72d9aa44fc8843143); 283     RESTORE_FRAME_EXCEPTION(frame_e5c547a270a438b72d9aa44fc8843143);
311 #endif 284 #endif
312 285
399     exception_tb = NULL; 372     exception_tb = NULL;
400     exception_lineno = 0; 373     exception_lineno = 0;
401 374
402     Py_XDECREF(var_s); 375     Py_XDECREF(var_s);
403     var_s = NULL; 376     var_s = NULL;
t 404   t
405     Py_XDECREF(var_t);
406     var_t = NULL;
407 377
408     Py_XDECREF(var_local_value); 378     Py_XDECREF(var_local_value);
409     var_local_value = NULL; 379     var_local_value = NULL;
410 380
411     // Re-raise. 381     // Re-raise.