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#!/usr/bin/env python2.7
import sys
import json
import bm_json
with open(sys.argv[1]) as f:
js_new_ctr = json.loads(f.read())
with open(sys.argv[2]) as f:
js_new_opt = json.loads(f.read())
with open(sys.argv[3]) as f:
js_old_ctr = json.loads(f.read())
with open(sys.argv[4]) as f:
js_old_opt = json.loads(f.read())
new = {}
old = {}
for row in bm_json.expand_json(js_new_ctr, js_new_opt):
new[row['cpp_name']] = row
for row in bm_json.expand_json(js_old_ctr, js_old_opt):
old[row['cpp_name']] = row
def min_change(pct):
return lambda n, o: abs((n-o)/o - 1) > pct/100
_INTERESTING = (
('cpu_time', min_change(10)),
('real_time', min_change(10)),
('locks_per_iteration', min_change(5)),
('allocs_per_iteration', min_change(5)),
('writes_per_iteration', min_change(5)),
('atm_cas_per_iteration', min_change(1)),
('atm_add_per_iteration', min_change(5)),
)
for bm in sorted(new.keys()):
if bm not in old: continue
hdr = False
n = new[bm]
o = old[bm]
print n
print o
for fld, chk in _INTERESTING:
if fld not in n or fld not in o: continue
if chk(n[fld], o[fld]):
if not hdr:
print '%s shows changes:' % bm
hdr = True
print ' %s changed %r --> %r' % (fld, o[fld], n[fld])
sys.exit(0)
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