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[Compile perf] Add various convenience options to scale-test #5632

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Merged
merged 1 commit into from
Nov 4, 2016
Merged

[Compile perf] Add various convenience options to scale-test #5632

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70 changes: 59 additions & 11 deletions utils/scale-test
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Original file line number Diff line number Diff line change
Expand Up @@ -52,13 +52,34 @@ def run_once_with_primary(args, ast, rng, primary_idx):
inputs = [write_input_file(args, ast, d, i) for i in rng]
primary = inputs[primary_idx]
ofile = os.path.join(d, "out.o")

mode = "-c"
if args.parse:
mode = "-parse"

focus = ["-primary-file", primary]
if args.whole_module_optimization:
focus = ['-whole-module-optimization']

opts = []
if args.optimize:
opts = ['-O']
elif args.optimize_none:
opts = ['-Onone']
elif args.optimize_unchecked:
opts = ['-Ounchecked']

extra = args.Xfrontend[:]
if args.debuginfo:
extra.append('-g')

command = [args.swiftc_binary,
"-frontend", mode,
"-o", ofile,
"-primary-file", primary] + inputs
"-o", ofile] + opts + focus + extra + inputs

if args.trace:
print "running: " + " ".join(command)

if args.dtrace:
trace = os.path.join(d, "trace.txt")
script = "pid$target:swiftc:*%s*:entry { @[probefunc] = count() }" % args.select
Expand Down Expand Up @@ -164,11 +185,10 @@ def report(args, rng, runs):
b = 0 if abs(b) < 1e-9 else b
rows.append((b, k, vals))
rows.sort()
tolerance = 1.2
for (b, k, vals) in rows:
if b >= tolerance:
if b >= args.threshold:
bad = True
if not args.quiet or b >= tolerance:
if not args.quiet or b >= args.threshold:
print "O(n^%1.1f) : %s" % (b, k)
if args.values:
print " = ", vals
Expand All @@ -185,21 +205,30 @@ def main():
parser.add_argument(
'--values', action='store_true',
default=False, help='print stat values')
parser.add_argument(
'--trace', action='store_true',
default=False, help='trace compiler invocations')
parser.add_argument(
'--quiet', action='store_true',
default=False, help='only print superlinear stats')
parser.add_argument(
'--parse', action='store_true',
'--threshold', type=float,
default=1.2, help='exponent beyond which to consider "bad scaling"')
parser.add_argument(
'-parse', '--parse', action='store_true',
default=False, help='only run compiler with -parse')
parser.add_argument(
'-g', '--debuginfo', action='store_true',
default=False, help='run compiler with -g')
parser.add_argument(
'-wmo', '--whole-module-optimization', action='store_true',
default=False, help='run compiler with -whole-module-optimization')
parser.add_argument(
'--dtrace', action='store_true',
default=False, help='use dtrace to sample all functions')
parser.add_argument(
'--multi-file', action='store_true',
default=False, help='vary number of input files as well')
parser.add_argument(
'--sum-multi', action='store_true',
default=False, help='simulate a multi-primary run and sum stats')
'-Xfrontend', action='append',
default=[], help='pass additional args to frontend jobs')
parser.add_argument(
'--begin', type=int,
default=10, help='first value for N')
Expand All @@ -219,6 +248,25 @@ def main():
'--debug', action='store_true',
default=False, help='invoke lldb on each scale test')

group = parser.add_mutually_exclusive_group()
group.add_argument(
'-O', '--optimize', action='store_true',
default=False, help='run compiler with -O')
group.add_argument(
'-Onone', '--optimize-none', action='store_true',
default=False, help='run compiler with -Onone')
group.add_argument(
'-Ounchecked', '--optimize-unchecked', action='store_true',
default=False, help='run compiler with -Ounchecked')

group = parser.add_mutually_exclusive_group()
group.add_argument(
'--multi-file', action='store_true',
default=False, help='vary number of input files as well')
group.add_argument(
'--sum-multi', action='store_true',
default=False, help='simulate a multi-primary run and sum stats')

args = parser.parse_args(sys.argv[1:])
(rng, runs) = run_many(args)
if report(args, rng, runs):
Expand Down