bpo-35884: Add string-keys-only microbenchmark for dict access to var_access_benchmark.py (GH-11905)

Author: scoder

Tools/scripts/var_access_benchmark.py

@@ -196,23 +196,31 @@ def read_dict(trials=trials, a={0: 1}):
  a[0]; a[0]; a[0]; a[0]; a[0]
  a[0]; a[0]; a[0]; a[0]; a[0]
 
+def read_strdict(trials=trials, a={'key': 1}):
+ for t in trials:
+ a['key']; a['key']; a['key']; a['key']; a['key']
+ a['key']; a['key']; a['key']; a['key']; a['key']
+ a['key']; a['key']; a['key']; a['key']; a['key']
+ a['key']; a['key']; a['key']; a['key']; a['key']
+ a['key']; a['key']; a['key']; a['key']; a['key']
+
 def list_append_pop(trials=trials, a=[1]):
  ap, pop = a.append, a.pop
  for t in trials:
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
 
 def deque_append_pop(trials=trials, a=deque([1])):
  ap, pop = a.append, a.pop
  for t in trials:
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
- ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop();
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
+ ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop(); ap(1); pop()
 
 def deque_append_popleft(trials=trials, a=deque([1])):
  ap, pop = a.append, a.popleft
@@ -247,6 +255,14 @@ def write_dict(trials=trials, a={0: 1}):
  a[0]=1; a[0]=1; a[0]=1; a[0]=1; a[0]=1
  a[0]=1; a[0]=1; a[0]=1; a[0]=1; a[0]=1
 
+def write_strdict(trials=trials, a={'key': 1}):
+ for t in trials:
+ a['key']=1; a['key']=1; a['key']=1; a['key']=1; a['key']=1
+ a['key']=1; a['key']=1; a['key']=1; a['key']=1; a['key']=1
+ a['key']=1; a['key']=1; a['key']=1; a['key']=1; a['key']=1
+ a['key']=1; a['key']=1; a['key']=1; a['key']=1; a['key']=1
+ a['key']=1; a['key']=1; a['key']=1; a['key']=1; a['key']=1
+
 def loop_overhead(trials=trials):
  for t in trials:
  pass
@@ -266,9 +282,9 @@ def loop_overhead(trials=trials):
  write_local, write_nonlocal, write_global,
  write_classvar, write_instancevar, write_instancevar_slots,
  '\nData structure read access:',
- read_list, read_deque, read_dict,
+ read_list, read_deque, read_dict, read_strdict,
  '\nData structure write access:',
- write_list, write_deque, write_dict,
+ write_list, write_deque, write_dict, write_strdict,
  '\nStack (or queue) operations:',
  list_append_pop, deque_append_pop, deque_append_popleft,
  '\nTiming loop overhead:',