mirror of https://github.com/ARMmbed/mbed-os.git
122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2013 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import sys
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from os.path import join, abspath, dirname, exists, splitext
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from subprocess import Popen, PIPE
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import csv
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from collections import defaultdict
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ROOT = abspath(join(dirname(__file__), ".."))
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sys.path.insert(0, ROOT)
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from tools.paths import BUILD_DIR, TOOLS_DATA
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from tools.settings import GCC_ARM_PATH
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from tools.tests import TEST_MAP
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from tools.build_api import build_mbed_libs, build_project
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SIZE = join(GCC_ARM_PATH, 'arm-none-eabi-size')
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def get_size(path):
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out = Popen([SIZE, path], stdout=PIPE).communicate()[0]
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return map(int, out.splitlines()[1].split()[:4])
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def get_percentage(before, after):
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if before == 0:
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return 0 if after == 0 else 100.0
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return float(after - before) / float(before) * 100.0
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def human_size(val):
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if val>1024:
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return "%.0fKb" % (float(val)/1024.0)
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return "%d" % val
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def print_diff(name, before, after):
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print "%s: (%s -> %s) %.2f%%" % (name, human_size(before) , human_size(after) , get_percentage(before , after))
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BENCHMARKS = [
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("BENCHMARK_1", "CENV"),
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("BENCHMARK_2", "PRINTF"),
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("BENCHMARK_3", "FP"),
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("BENCHMARK_4", "MBED"),
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("BENCHMARK_5", "ALL"),
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]
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BENCHMARK_DATA_PATH = join(TOOLS_DATA, 'benchmarks.csv')
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def benchmarks():
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# CSV Data
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csv_data = csv.writer(open(BENCHMARK_DATA_PATH, 'wb'))
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csv_data.writerow(['Toolchain', "Target", "Benchmark", "code", "data", "bss", "flash"])
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# Build
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for toolchain in ['ARM', 'uARM', 'GCC_ARM']:
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for mcu in ["LPC1768", "LPC11U24"]:
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# Build Libraries
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build_mbed_libs(mcu, toolchain)
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# Build benchmarks
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build_dir = join(BUILD_DIR, "benchmarks", mcu, toolchain)
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for test_id, title in BENCHMARKS:
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# Build Benchmark
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try:
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test = TEST_MAP[test_id]
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path = build_project(test.source_dir, join(build_dir, test_id),
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mcu, toolchain, test.dependencies)
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base, ext = splitext(path)
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# Check Size
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code, data, bss, flash = get_size(base+'.elf')
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csv_data.writerow([toolchain, mcu, title, code, data, bss, flash])
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except Exception, e:
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print "Unable to build %s for toolchain %s targeting %s" % (test_id, toolchain, mcu)
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print e
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def compare(t1, t2, target):
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if not exists(BENCHMARK_DATA_PATH):
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benchmarks()
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else:
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print "Loading: %s" % BENCHMARK_DATA_PATH
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data = csv.reader(open(BENCHMARK_DATA_PATH, 'rb'))
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benchmarks_data = defaultdict(dict)
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for (toolchain, mcu, name, code, data, bss, flash) in data:
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if target == mcu:
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for t in [t1, t2]:
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if toolchain == t:
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benchmarks_data[name][t] = map(int, (code, data, bss, flash))
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print "%s vs %s for %s" % (t1, t2, target)
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for name, data in benchmarks_data.items():
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try:
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# Check Size
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code_a, data_a, bss_a, flash_a = data[t1]
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code_u, data_u, bss_u, flash_u = data[t2]
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print "\n=== %s ===" % name
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print_diff("code", code_a , code_u)
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print_diff("data", data_a , data_u)
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print_diff("bss", bss_a , bss_u)
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print_diff("flash", flash_a , flash_u)
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except Exception, e:
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print "No data for benchmark %s" % (name)
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print e
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if __name__ == '__main__':
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compare("ARM", "GCC_ARM", "LPC1768")
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