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#!/usr/bin/env python
import re
import argparse
def get_results(filename):
file = open(filename, "r")
lines = file.read().split('\n')
results = {}
re_match = re.compile(r"(\S+) - (.S \S+) shader: (\S*) inst, (\S*) loops")
for line in lines:
match = re.search(re_match, line)
if match is None:
continue
groups = match.groups()
count = int(groups[2])
loop = int(groups[3])
if count != 0:
results[(groups[0], groups[1])] = count, loop
return results
def get_delta(b, a):
if b != 0 and a != 0:
frac = float(a) / float(b) - 1.0
return ' ({:.2f}%)'.format(frac * 100.0)
else:
return ''
def change(b, a):
return str(b) + " -> " + str(a) + get_delta(b, a)
def get_result_string(p, b, a):
p = p + ": "
while len(p) < 50:
p = p + ' '
return p + change(b, a)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("before", type=get_results, help="the output of the original code")
parser.add_argument("after", type=get_results, help="the output of the new code")
args = parser.parse_args()
total_before = 0
total_after = 0
total_before_loop = 0
total_after_loop = 0
affected_before = 0
affected_after = 0
helped = []
hurt = []
lost = []
gained = []
loop_change = []
for p in args.before:
(name, type) = p
namestr = name + " " + type
before_count = args.before[p][0]
before_loop = args.before[p][1]
if args.after.get(p) is not None:
after_count = args.after[p][0]
after_loop = args.after[p][1]
total_before_loop += before_loop
total_after_loop += after_loop
if before_loop == after_loop:
total_before += before_count
total_after += after_count
if before_count != after_count:
affected_before += before_count
affected_after += after_count
if after_loop != before_loop:
loop_change.append(p);
elif after_count > before_count:
hurt.append(p)
else:
helped.append(p)
else:
lost.append(namestr)
for p in args.after:
if args.before.get(p) is None:
gained.append(p[0] + " " + p[1])
helped.sort(
key=lambda k: float(args.before[k][0] - args.after[k][0]) / args.before[k][0])
for p in helped:
namestr = p[0] + " " + p[1]
print("helped: " + get_result_string(
namestr, args.before[p][0], args.after[p][0]))
if len(helped) > 0:
print("")
hurt.sort(
key=lambda k: float(args.after[k][0] - args.before[k][0]) / args.before[k][0])
for p in hurt:
namestr = p[0] + " " + p[1]
print("HURT: " + get_result_string(
namestr, args.before[p][0], args.after[p][0]))
if len(hurt) > 0:
print("")
for p in loop_change:
namestr = p[0] + " " + p[1]
print("LOOP CHANGE (" + str(args.before[p][1]) + " -> " + str(args.after[p][1]) +
"): " + get_result_string(namestr, args.before[p][0], args.after[p][0]))
if len(loop_change) > 0:
print("")
lost.sort()
for p in lost:
print("LOST: " + p)
if len(lost) > 0:
print("")
gained.sort()
for p in gained:
print("GAINED: " + p)
if len(gained) > 0:
print("")
print("total instructions in shared programs: {}\n"
"instructions in affected programs: {}\n"
"total loops in shared programs: {}\n"
"helped: {}\n"
"HURT: {}\n"
"GAINED: {}\n"
"LOST: {}".format(
change(total_before, total_after),
change(affected_before, affected_after),
change(total_before_loop, total_after_loop),
len(helped),
len(hurt),
len(gained),
len(lost)))
if __name__ == "__main__":
main()
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