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