mirror of
https://github.com/uutils/coreutils
synced 2024-07-21 09:54:42 +00:00
Merge pull request #4441 from tertsdiepraam/size-experiment
utils: create a script to explore binary sizes
This commit is contained in:
commit
292b3aa0f5
90
util/size-experiment.py
Normal file
90
util/size-experiment.py
Normal file
|
@ -0,0 +1,90 @@
|
|||
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"])
|
Loading…
Reference in a new issue