spec.py 5.86 KB
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#!/usr/bin/env python
import os
import platform
import optparse # TODO argparse from python 2.7 on

from zsnippets.shell import execute

SCRIPT_VERSION="0.1"
(KERNEL,HOSTNAME,KERNEL_VERSION,VERSION,ARCH,PROCESSOR) = platform.uname()
assert not PROCESSOR, PROCESSOR
LINUX_NAME, LINUX_VERSION, LINUX_CODENAME = platform.dist()
BITSIZE = {
	"i686": 32,
	"x86_64": 64,
}.get(ARCH, "unspecified for "+ARCH)

# assert spec dir
for subdir in "benchspec config bin result".split():
	assert os.path.isdir(subdir), "subdir missing: "+subdir
for filename in "shrc version.txt README".split():
	assert os.path.isfile(filename), "file missing: "+filename

parser = optparse.OptionParser(version=SCRIPT_VERSION)
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parser.add_option("--config-only", action="store_true", default=False,
		help="Just generate config file, but do not build or run")
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parser.add_option("--c-compiler", metavar="<CC>", default="cparser",
		help="Use <CC> to build benchmark programs")
parser.add_option("--fortran-compiler", metavar="<FC>", default="gfortran",
		help="Use <FC> to build benchmark programs")
parser.add_option("--cpp-compiler", metavar="<CXX>", default="g++",
		help="Use <CXX> to build benchmark programs")

parser.add_option("--compiler-args", metavar="<FLAGS>", default="-O3",
		help="Append <FLAGS> to build benchmark programs for all compilers")
parser.add_option("--c-compiler-args", metavar="<CFLAGS>", default="",
		help="Append <CFLAGS> to build benchmark programs for C compiler")
parser.add_option("--fortran-compiler-args", metavar="<FFLAGS>", default="",
		help="Append <FFLAGS> to build benchmark programs for Fortran compiler")
parser.add_option("--cpp-compiler-args", metavar="<CFLAGS>", default="",
		help="Append <CFLAGS> to build benchmark programs for C++ compiler")

# http://www.spec.org/cpu2006/Docs/config.html

_CONFIG_HEAD = """\
#### Automatically generated by spec.py script ####

output_format = csv,html,raw,screen,config
ignore_errors = yes
makeflags = -j4        # allows multiple simultaneous compiles
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test_sponsor = IPD Snelting
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# just assuming:
hw_fpu = Integrated
sw_state = Multi-user
"""

def path_to_filesystem(path):
	for line in execute("stat -f ."):
		if "Type:" in line:
			i = line.index("Type:")
			return line[i+6:].strip()

def _get_proc_info(path):
	"""Extract data from proc files"""
	data = dict()
	for line in file(path):
		try:
			key, value = line.split(":")
		except ValueError:
			continue
		data[key.strip()] = value.strip()
	return data

def get_mem_info():
	"""Return data about Memory as dict"""
	return _get_proc_info("/proc/meminfo")

def get_cpu_info(): # TODO ignores multiple cpus
	"""Return data about CPU as dict"""
	return _get_proc_info("/proc/cpuinfo")

def get_compiler_version(compiler):
	"""Get the version from a compiler executable"""
	d = execute(compiler+" --version")
	for line in d:
		return line

def get_sw_compiler(options):
	"""Generate a string with all compiler versions"""
	return "; ".join([
		get_compiler_version(options.c_compiler),
		get_compiler_version(options.cpp_compiler),
		get_compiler_version(options.fortran_compiler)
	])

def get_portability():
	"""Get necessary portability flags"""
	contents = ["\n\n#### Portability Flags ####"]
	if LINUX_NAME == "Ubuntu":
		if BITSIZE == 32:
			contents.append("""\
400.perlbench=default=default=default:
CPORTABILITY= -DSPEC_CPU_LINUX_IA32

462.libquantum=default=default=default:
CPORTABILITY= -DSPEC_CPU_LINUX

483.xalancbmk=default=default=default:
CXXPORTABILITY= -DSPEC_CPU_LINUX

481.wrf=default=default=default:
CPORTABILITY = -DSPEC_CPU_CASE_FLAG -DSPEC_CPU_LINUX
""")
		elif BITSIZE == 64:
			contents.append("""\
default=base=default=default:
PORTABILITY = -DSPEC_CPU_LP64 

400.perlbench=default=default=default:
CPORTABILITY = -DSPEC_CPU_LINUX_X64

462.libquantum=default=default=default:
CPORTABILITY=  -DSPEC_CPU_LINUX

483.xalancbmk=default=default=default:
CXXPORTABILITY= -DSPEC_CPU_LINUX

481.wrf=default=default=default:
CPORTABILITY = -DSPEC_CPU_CASE_FLAG -DSPEC_CPU_LINUX
""")
	return "\n".join(contents)

def generate_spec_config(options):
	"""Generate a config file for SPEC"""
	contents = [_CONFIG_HEAD]
	cpuinfo = get_cpu_info()
	meminfo = get_mem_info()
	contents.append("sw_os = %s %s %s" % (LINUX_NAME, LINUX_VERSION, LINUX_CODENAME))
	contents.append("sw_compiler = %s" % get_sw_compiler(options))
	contents.append("sw_file = %s" % path_to_filesystem("."))
	contents.append("sw_base_ptrsize = %d-bit" % BITSIZE)
	contents.append("sw_peak_ptrsize = %d-bit" % BITSIZE)
	contents.append("")
	contents.append("hw_cpu_name = %s" % cpuinfo["model name"])
	contents.append("hw_cpu_mhz = %s" % cpuinfo["cpu MHz"])
	contents.append("hw_nchips = %d" % (1+int(cpuinfo["processor"])))
	contents.append("hw_ncores = %d" % int(cpuinfo["cpu cores"]))
	contents.append("hw_vendor = %s" % cpuinfo["vendor_id"])
	contents.append("hw_memory = %s" % meminfo["MemTotal"])
	contents.append("")
	contents.append("CC = %s" % options.c_compiler)
	contents.append("CXX = %s" % options.cpp_compiler)
	contents.append("FC = %s" % options.fortran_compiler)
	contents.append("")
	contents.append("OPTIMIZE = %s" % options.compiler_args)
	contents.append("notes_comp_001 OPTIMIZE = %s" % options.compiler_args)
	contents.append("COPTIMIZE = %s" % options.c_compiler_args)
	contents.append("notes_comp_002 COPTIMIZE = %s" % options.c_compiler_args)
	contents.append("CXXOPTIMIZE = %s" % options.cpp_compiler_args)
	contents.append("notes_comp_003 CXXOPTIMIZE = %s" % options.cpp_compiler_args)
	contents.append("FOPTIMIZE = %s" % options.fortran_compiler_args)
	contents.append("notes_comp_004 FOPTIMIZE = %s" % options.fortran_compiler_args)
	contents.append(get_portability())
	return "\n".join(contents)

if __name__ == "__main__":
	(options, args) = parser.parse_args()
	conf = generate_spec_config(options)
	with open("config/generated.cfg", 'w') as fh:
		fh.write(conf)
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	if options.config_only:
		exit(0)
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	cmd = "bash -c 'source shrc && runspec all -c generated'"
	os.system(cmd)