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Adds BENCH_ALLOWED_NOISE to widen expected bench ranges.

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This is especially useful for benches with small absolute value.
Review URL: https://codereview.appspot.com/6842112

git-svn-id: http://skia.googlecode.com/svn/trunk@6633 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bensong@google.com 2012-11-30 04:42:59 +00:00
parent c3d7d90973
commit cd63fb588b
1 changed files with 10 additions and 4 deletions
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14
bench/gen_skp_ranges.py
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@ -35,6 +35,11 @@ from oauth2_plugin import oauth2_plugin
BENCH_UB = 1.1 # Allow for 10% room for normal variance on the up side.
BENCH_LB = 0.85
# Further allow for a fixed amount of noise. This is especially useful for
# benches of smaller absolute value. Keeping this value small will not affect
# performance tunings.
BENCH_ALLOWED_NOISE = 10
# List of platforms to track.
PLATFORMS = ['Mac_Float_Bench_32',
'Nexus10_4-1_Float_Bench_32',
@ -56,8 +61,8 @@ Feel free to revise PLATFORMS for your own needs. The default is the most common
combination that we care most about. Platforms that did not run bench_pictures
in the given revision range will not have corresponding outputs.
Please check http://go/skpbench to choose a range that fits your needs.
BENCH_UB and BENCH_LB can be changed to expand or narrow the permitted bench
ranges without triggering buidbot alerts.
BENCH_UB, BENCH_LB and BENCH_ALLOWED_NOISE can be changed to expand or narrow
the permitted bench ranges without triggering buidbot alerts.
"""
HELP_STRING = """
Outputs expectation picture bench ranges for the latest revisions for the given
@ -123,8 +128,9 @@ def OutputSkpBenchExpectations(rev_min, rev_max, representation_alg):
for key in keys:
bench_val = expectation_dic[key]
# Prints out expectation lines.
print '%s,%.3f,%.3f,%.3f' % (key, bench_val, bench_val * BENCH_LB,
bench_val * BENCH_UB)
print '%s,%.3f,%.3f,%.3f' % (key, bench_val,
bench_val * BENCH_LB - BENCH_ALLOWED_NOISE,
bench_val * BENCH_UB + BENCH_ALLOWED_NOISE)
def main():
"""Parses flags and outputs expected Skia picture bench results."""