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SConstruct
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SConstruct
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import os, sys
from os.path import join as joinpath
useIcc = False
#useIcc = True
def buildSim(cppFlags, dir, type, pgo=None):
''' Build the simulator with a specific base buid dir and config type'''
buildDir = joinpath(dir, type)
print("Building " + type + " zsim at " + buildDir)
env = Environment(ENV = os.environ, tools = ['default', 'textfile'])
env["CPPFLAGS"] = cppFlags
allSrcs = [f for dir, subdirs, files in os.walk("src") for f in Glob(dir + "/*")]
versionFile = joinpath(buildDir, "version.h")
if os.path.exists(".git"):
env.Command(versionFile, allSrcs + [".git/index", "SConstruct"],
'printf "#define ZSIM_BUILDDATE \\"`date`\\"\\n#define ZSIM_BUILDVERSION \\"`python misc/gitver.py`\\"" >>' + versionFile)
else:
env.Command(versionFile, allSrcs + ["SConstruct"],
'printf "#define ZSIM_BUILDDATE \\"`date`\\"\\n#define ZSIM_BUILDVERSION \\"no git repo\\"" >>' + versionFile)
# Parallel builds?
#env.SetOption('num_jobs', 32)
# Use link-time optimization? It's still a bit buggy, so be careful
#env['CXX'] = 'g++ -flto -flto-report -fuse-linker-plugin'
#env['CC'] = 'gcc -flto'
#env["LINKFLAGS"] = " -O3 -finline "
if useIcc:
env['CC'] = 'icc'
env['CXX'] = 'icpc -ipo'
# Required paths
if "PINPATH" in os.environ:
PINPATH = os.environ["PINPATH"]
else:
print("ERROR: You need to define the $PINPATH environment variable with Pin's path")
sys.exit(1)
ROOT = Dir('.').abspath
# NOTE: These flags are for the 28/02/2011 2.9 PIN kit (rev39599). Older versions will not build.
# NOTE (dsm 10 Jan 2013): Tested with Pin 2.10 thru 2.12 as well
# NOTE: Original Pin flags included -fno-strict-aliasing, but zsim does not do type punning
# NOTE (dsm 16 Apr 2015): Update flags code to support Pin 2.14 while retaining backwards compatibility
env["CPPFLAGS"] += " -g -std=c++0x -Wall -Wno-unknown-pragmas -Wno-deprecated -Wno-unused-function -Wno-catch-value -fomit-frame-pointer -fno-stack-protector"
env["CPPFLAGS"] += " -MMD -DBIGARRAY_MULTIPLIER=1 -DUSING_XED -DTARGET_IA32E -DHOST_IA32E -fPIC -DTARGET_LINUX"
# NOTE (yyf 17 Sep 2020): Enforce to use older ABI when compiled with gcc-5 or newer.
env["CPPFLAGS"] += " -fabi-version=2 -D_GLIBCXX_USE_CXX11_ABI=0"
# Pin 2.12+ kits have changed the layout of includes, detect whether we need
# source/include/ or source/include/pin/
pinInclDir = joinpath(PINPATH, "source/include/")
if not os.path.exists(joinpath(pinInclDir, "pin.H")):
pinInclDir = joinpath(pinInclDir, "pin")
assert os.path.exists(joinpath(pinInclDir, "pin.H"))
# Pin 2.14 changes location of XED
xedName = "xed2" # used below
xedPath = joinpath(PINPATH, "extras/" + xedName + "-intel64/include")
if not os.path.exists(xedPath):
xedName = "xed"
xedPath = joinpath(PINPATH, "extras/" + xedName + "-intel64/include")
assert os.path.exists(xedPath)
env["CPPPATH"] = [xedPath,
pinInclDir, joinpath(pinInclDir, "gen"),
joinpath(PINPATH, "extras/components/include")]
# Perform trace logging?
##env["CPPFLAGS"] += " -D_LOG_TRACE_=1"
# Uncomment to get logging messages to stderr
##env["CPPFLAGS"] += " -DDEBUG=1"
# Be a Warning Nazi? (recommended)
env["CPPFLAGS"] += " -Werror "
# Enables lib and harness to use the same info/log code,
# but only lib uses pin locks for thread safety
env["PINCPPFLAGS"] = " -DMT_SAFE_LOG "
# PIN-specific libraries
env["PINLINKFLAGS"] = " -Wl,--hash-style=sysv -Wl,-Bsymbolic -Wl,--version-script=" + joinpath(pinInclDir, "pintool.ver")
# To prime system libs, we include /usr/lib and /usr/lib/x86_64-linux-gnu
# first in lib path. In particular, this solves the issue that, in some
# systems, Pin's libelf takes precedence over the system's, but it does not
# include symbols that we need or it's a different variant (we need
# libelfg0-dev in Ubuntu systems)
env["PINLIBPATH"] = ["/usr/lib", "/usr/lib/x86_64-linux-gnu", joinpath(PINPATH, "extras/" + xedName + "-intel64/lib"),
joinpath(PINPATH, "intel64/lib"), joinpath(PINPATH, "intel64/lib-ext")]
# Libdwarf is provided in static and shared variants, Ubuntu only provides
# static, and I don't want to add -R<pin path/intel64/lib-ext> because
# there are some other old libraries provided there (e.g., libelf) and I
# want to use the system libs as much as possible. So link directly to the
# static version of libdwarf.
# Pin 2.14 uses unambiguous libpindwarf
pindwarfPath = joinpath(PINPATH, "intel64/lib-ext/libdwarf.a")
pindwarfLib = File(pindwarfPath)
if not os.path.exists(pindwarfPath):
pindwarfLib = "pindwarf"
env["PINLIBS"] = ["pin", "xed", pindwarfLib, "elf", "dl", "rt"]
# Non-pintool libraries
env["LIBPATH"] = []
env["LIBS"] = ["config++"]
env["LINKFLAGS"] = ""
env["RPATH"] = []
if useIcc:
# icc libs
env["LINKFLAGS"] += " -Wl,-R/data/sanchez/tools/intel/composer_xe_2013.1.117/compiler/lib/intel64/"
# Use non-standard library paths if defined
if "LIBCONFIGPATH" in os.environ:
LIBCONFIGPATH = os.environ["LIBCONFIGPATH"]
env["LINKFLAGS"] += " -Wl,-R" + joinpath(LIBCONFIGPATH, "lib")
env["LIBPATH"] += [joinpath(LIBCONFIGPATH, "lib")]
env["CPPPATH"] += [joinpath(LIBCONFIGPATH, "include")]
if "HDF5PATH" in os.environ:
HDF5PATH = os.getenv("HDF5PATH")
env["CPPPATH"] += [joinpath(HDF5PATH, "include/")]
env["LIBPATH"] += [joinpath(HDF5PATH, "lib/")]
env["RPATH"] += [joinpath(HDF5PATH, "lib/")]
if "POLARSSLPATH" in os.environ:
POLARSSLPATH = os.environ["POLARSSLPATH"]
env["PINLIBPATH"] += [joinpath(POLARSSLPATH, "library")]
env["CPPPATH"] += [joinpath(POLARSSLPATH, "include")]
env["PINLIBS"] += ["polarssl"]
env["CPPFLAGS"] += " -D_WITH_POLARSSL_=1 "
# Only include DRAMSim if available
if "DRAMSIMPATH" in os.environ:
DRAMSIMPATH = os.environ["DRAMSIMPATH"]
env["LINKFLAGS"] += " -Wl,-R" + DRAMSIMPATH
env["PINLIBPATH"] += [DRAMSIMPATH]
env["CPPPATH"] += [DRAMSIMPATH]
env["PINLIBS"] += ["dramsim"]
env["CPPFLAGS"] += " -D_WITH_DRAMSIM_=1 "
env["CPPPATH"] += ["."]
# HDF5
env["PINLIBS"] += ["hdf5", "hdf5_hl"]
# Harness needs these defined
env["CPPFLAGS"] += ' -DPIN_PATH="' + joinpath(PINPATH, "intel64/bin/pinbin") + '" '
env["CPPFLAGS"] += ' -DZSIM_PATH="' + joinpath(ROOT, joinpath(buildDir, "libzsim.so")) + '" '
# Do PGO?
if pgo == "generate":
genFlags = " -prof-gen " if useIcc else " -fprofile-generate "
env["PINCPPFLAGS"] += genFlags
env["PINLINKFLAGS"] += genFlags
elif pgo == "use":
if useIcc: useFlags = " -prof-use "
else: useFlags = " -fprofile-use -fprofile-correction "
# even single-threaded sims use internal threads, so we need correction
env["PINCPPFLAGS"] += useFlags
env["PINLINKFLAGS"] += useFlags
env.SConscript("src/SConscript", variant_dir=buildDir, exports= {'env' : env.Clone()})
####
AddOption('--buildDir', dest='buildDir', type='string', default="build/", nargs=1, action='store', metavar='DIR', help='Base build directory')
AddOption('--d', dest='debugBuild', default=False, action='store_true', help='Do a debug build')
AddOption('--o', dest='optBuild', default=False, action='store_true', help='Do an opt build (optimized, with assertions and symbols)')
AddOption('--r', dest='releaseBuild', default=False, action='store_true', help='Do a release build (optimized, no assertions, no symbols)')
AddOption('--p', dest='pgoBuild', default=False, action='store_true', help='Enable PGO')
AddOption('--pgoPhase', dest='pgoPhase', default="none", action='store', help='PGO phase (just run with --p to do them all)')
baseBuildDir = GetOption('buildDir')
buildTypes = []
if GetOption('debugBuild'): buildTypes.append("debug")
if GetOption('releaseBuild'): buildTypes.append("release")
if GetOption('optBuild') or len(buildTypes) == 0: buildTypes.append("opt")
march = "core2" # ensure compatibility across condor nodes
#march = "native" # for profiling runs
buildFlags = {"debug": "-g -O0",
"opt": "-march=%s -g -O3 -funroll-loops" % march, # unroll loops tends to help in zsim, but in general it can cause slowdown
"release": "-march=%s -O3 -DNASSERT -funroll-loops -fweb" % march} # fweb saves ~4% exec time, but makes debugging a world of pain, so careful
pgoPhase = GetOption('pgoPhase')
# The PGO flow calls scons recursively. Hacky, but pretty much the only option:
# scons can't build the same file twice, and although gcc enables you to change
# the fprofile path, it considers the whole relative path as the filename
# (e.g., build/opt/zsim.os), and all hell breaks loose when it tries to create
# files in another dir. And because it uses checksums for filenames, it breaks
# when you move the files. Check the repo for a version that tries this.
if GetOption('pgoBuild'):
for type in buildTypes:
print("Building PGO binary")
root = Dir('.').abspath
testsDir = joinpath(root, "tests")
trainCfgs = [f for f in os.listdir(testsDir) if f.startswith("pgo")]
print("Using training configs", trainCfgs)
baseDir = joinpath(baseBuildDir, "pgo-" + type)
genCmd = "scons -j16 --pgoPhase=generate-" + type
runCmds = []
for cfg in trainCfgs:
runCmd = "mkdir -p pgo-tmp && cd pgo-tmp && ../" + baseDir + "/zsim ../tests/" + cfg + " && cd .."
runCmds.append(runCmd)
useCmd = "scons -j16 --pgoPhase=use-" + type
Environment(ENV = os.environ).Command("dummyTgt-" + type, [], " && ".join([genCmd] + runCmds + [useCmd]))
elif pgoPhase.startswith("generate"):
type = pgoPhase.split("-")[1]
buildSim(buildFlags[type], baseBuildDir, "pgo-" + type, "generate")
elif pgoPhase.startswith("use"):
type = pgoPhase.split("-")[1]
buildSim(buildFlags[type], baseBuildDir, "pgo-" + type, "use")
baseDir = joinpath(baseBuildDir, "pgo-" + type)
Depends(Glob(joinpath(baseDir, "*.os")), "pgo-tmp/zsim.out") #force a rebuild
else:
for type in buildTypes:
buildSim(buildFlags[type], baseBuildDir, type)