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

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Merged
rhettinger merged 2 commits into from
Mar 25, 2019
Merged

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

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aebaa08
Add micro-benchmarks for dicts with string keys (which are special in…
scoder Feb 17, 2019
e7784de
Remove trailing semicolons.
scoder Feb 17, 2019
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40 changes: 28 additions & 12 deletions Tools/scripts/var_access_benchmark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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
Expand All @@ -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:',
Expand Down