mirror of
https://github.com/uutils/coreutils
synced 2024-11-13 00:17:09 +00:00
92 lines
2.4 KiB
Python
92 lines
2.4 KiB
Python
#!/usr/bin/env python3
|
|
# spell-checker:ignore debuginfo
|
|
import subprocess
|
|
from itertools import product
|
|
import shutil
|
|
import os
|
|
from collections import defaultdict
|
|
from pprint import pprint
|
|
|
|
# Set to false if you've only changed the analysis and do not want to recompile
|
|
# the binaries.
|
|
RECOMPILE = True
|
|
|
|
STRIP_VALS = ["none", "debuginfo", "symbols"]
|
|
PANIC_VALS = ["unwind", "abort"]
|
|
OPT_LEVEL_VALS = [3, "s", "z"]
|
|
LTO_VALS = ["off", "thin", "fat"]
|
|
|
|
|
|
def config(name, val):
|
|
return ["--config", f"profile.release.{name}={val!r}"]
|
|
|
|
|
|
sizes = {}
|
|
|
|
for (strip, panic, opt, lto) in product(
|
|
STRIP_VALS, PANIC_VALS, OPT_LEVEL_VALS, LTO_VALS
|
|
):
|
|
if RECOMPILE:
|
|
cmd = [
|
|
"cargo",
|
|
"build",
|
|
"--release",
|
|
"--features=unix",
|
|
*config("strip", strip),
|
|
*config("panic", panic),
|
|
*config("opt-level", opt),
|
|
*config("lto", lto),
|
|
]
|
|
print("RUN:", " ".join(cmd))
|
|
res = subprocess.call(cmd)
|
|
|
|
shutil.copyfile(
|
|
"target/release/coreutils",
|
|
"-".join(["coreutils", strip, panic, str(opt), lto]),
|
|
)
|
|
print(res)
|
|
|
|
sizes[(strip, panic, opt, lto)] = os.path.getsize(
|
|
"-".join(["coreutils", strip, panic, str(opt), lto])
|
|
)
|
|
|
|
changes_absolute = defaultdict(list)
|
|
changes_percent = defaultdict(list)
|
|
|
|
|
|
def with_val_at_idx(val, idx, other):
|
|
other = list(other)
|
|
other.insert(idx, val)
|
|
return tuple(other)
|
|
|
|
|
|
def collect_diff(idx, name):
|
|
all_params = [STRIP_VALS, PANIC_VALS, OPT_LEVEL_VALS, LTO_VALS]
|
|
vals = all_params.pop(idx)
|
|
for other in product(*all_params):
|
|
baseline = sizes[with_val_at_idx(vals[0], idx, other)]
|
|
for val in vals[1:]:
|
|
changes = sizes[with_val_at_idx(val, idx, other)] - baseline
|
|
changes_absolute[f"{name}={val}"].append(changes)
|
|
changes_percent[f"{name}={val}"].append(changes / baseline * 100)
|
|
|
|
|
|
collect_diff(0, "strip")
|
|
collect_diff(1, "panic")
|
|
collect_diff(2, "opt-level")
|
|
collect_diff(3, "lto")
|
|
|
|
|
|
def analyze(l):
|
|
return f"MIN: {float(min(l)):.3}, AVG: {float(sum(l)/len(l)):.3}, MAX: {float(max(l)):.3}"
|
|
|
|
|
|
print("Absolute changes")
|
|
pprint({k: analyze(v) for k, v in changes_absolute.items()})
|
|
print()
|
|
print("Percent changes")
|
|
pprint({k: analyze(v) for k, v in changes_percent.items()})
|
|
|
|
print()
|
|
print(changes_percent["opt-level=s"])
|
|
print(changes_percent["opt-level=z"])
|