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targetimageloadingsmalltalk.py
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targetimageloadingsmalltalk.py
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import sys, time
import os
from rpython.rlib.streamio import open_file_as_stream
from rpython.rlib import jit, rpath
from spyvm import model, interpreter, squeakimage, objspace, wrapper,\
error, shadow
from spyvm.tool.analyseimage import create_image
from spyvm.interpreter_proxy import VirtualMachine
def _run_benchmark(interp, number, benchmark, arg):
from spyvm.plugins.vmdebugging import stop_ui_process
stop_ui_process()
scheduler = wrapper.scheduler(interp.space)
w_hpp = scheduler.active_process()
if space.unwrap_int(scheduler.active_process().fetch(space, 2)) > space.unwrap_int(w_hpp.fetch(space, 2)):
w_hpp = scheduler.active_process()
assert isinstance(w_hpp, model.W_PointersObject)
w_benchmark_proc = model.W_PointersObject(
interp.space,
w_hpp.getclass(interp.space),
len(w_hpp._vars)
)
s_frame = context_for(interp, number, benchmark, arg)
# second variable is suspended context
w_benchmark_proc.store(space, 1, s_frame.w_self())
# third variable is priority
priority = space.unwrap_int(w_hpp.fetch(space, 2)) / 2 + 1
# Priorities below 10 are not allowed in newer versions of Squeak.
if interp.image.version.has_closures:
priority = max(11, priority)
else:
priority = 7
w_benchmark_proc.store(space, 2, space.wrap_int(priority))
# make process eligible for scheduling
wrapper.ProcessWrapper(interp.space, w_benchmark_proc).put_to_sleep()
t1 = time.time()
w_result = _run_image(interp)
t2 = time.time()
if w_result:
if isinstance(w_result, model.W_BytesObject):
print w_result.as_string().replace('\r', '\n')
print "took %s seconds" % (t2 - t1)
return 0
return -1
def _run_image(interp):
ap = wrapper.ProcessWrapper(space, wrapper.scheduler(space).active_process())
w_ctx = ap.suspended_context()
assert isinstance(w_ctx, model.W_PointersObject)
ap.store_suspended_context(space.w_nil)
try:
return interp.interpret_with_w_frame(w_ctx)
except error.Exit, e:
print e.msg
def _run_code(interp, code, as_benchmark=False):
import time
selector = "codeTest%d" % int(time.time())
try:
w_result = interp.perform(
interp.space.w_SmallInteger,
"compile:classified:notifying:",
space.wrap_string("%s\r\n%s" % (selector, code)),
space.wrap_string("spy-run-code"),
space.w_nil
)
except interpreter.ReturnFromTopLevel, e:
print e.object
return 1
except error.Exit, e:
print e.msg
return 1
if not as_benchmark:
try:
w_result = interp.perform(space.wrap_int(0), selector)
except interpreter.ReturnFromTopLevel, e:
print e.object
return 1
except error.Exit, e:
print e.msg
return 1
if w_result:
if isinstance(w_result, model.W_BytesObject):
print w_result.as_string().replace('\r', '\n')
else:
print w_result.as_repr_string().replace('\r', '\n')
return 0
else:
return _run_benchmark(interp, 0, selector, "")
space = objspace.ObjSpace()
def context_for(interp, number, benchmark, stringarg):
# XXX: Copied from interpreter >> perform
argcount = 0 if stringarg == "" else 1
w_receiver = interp.space.wrap_int(number)
w_selector = interp.perform(interp.space.wrap_string(benchmark), "asSymbol")
w_method = model.W_CompiledMethod(header=512)
w_method.literalatput0(interp.space, 1, w_selector)
w_method.setbytes([chr(131), chr(argcount << 5), chr(124)]) #returnTopFromMethod
s_method = w_method.as_compiledmethod_get_shadow(interp.space)
s_frame = shadow.MethodContextShadow.make_context(interp.space, s_method, w_receiver, [], None)
s_frame.push(w_receiver)
if not stringarg == "":
s_frame.push(interp.space.wrap_string(stringarg))
return s_frame
def _usage(argv):
print """
Usage: %s
-j|--jit [jitargs]
-n|--number [smallint, default: 0]
-m|--method [benchmark on smallint]
-a|--arg [string argument to #method]
-r|--run [code string]
-b|--benchmark [code string]
-p|--poll_events
[image path, default: Squeak.image]
""" % argv[0]
def _arg_missing(argv, idx, arg):
if len(argv) == idx + 1:
raise RuntimeError("Error: missing argument after %s" % arg)
def entry_point(argv):
idx = 1
path = None
number = 0
benchmark = None
trace = False
evented = True
stringarg = ""
code = None
as_benchmark = False
while idx < len(argv):
arg = argv[idx]
if arg in ["-h", "--help"]:
_usage(argv)
return 0
elif arg in ["-j", "--jit"]:
_arg_missing(argv, idx, arg)
jitarg = argv[idx + 1]
idx += 1
jit.set_user_param(interpreter.Interpreter.jit_driver, jitarg)
elif arg in ["-n", "--number"]:
_arg_missing(argv, idx, arg)
number = int(argv[idx + 1])
idx += 1
elif arg in ["-m", "--method"]:
_arg_missing(argv, idx, arg)
benchmark = argv[idx + 1]
idx += 1
elif arg in ["-t", "--trace"]:
trace = True
elif arg in ["-p", "--poll_events"]:
evented = False
elif arg in ["-a", "--arg"]:
_arg_missing(argv, idx, arg)
stringarg = argv[idx + 1]
idx += 1
elif arg in ["-r", "--run"]:
_arg_missing(argv, idx, arg)
code = argv[idx + 1]
as_benchmark = False
idx += 1
elif arg in ["-b", "--benchmark"]:
_arg_missing(argv, idx, arg)
code = argv[idx + 1]
as_benchmark = True
idx += 1
elif path is None:
path = argv[idx]
else:
_usage(argv)
return -1
idx += 1
if path is None:
path = "Squeak.image"
path = rpath.rabspath(path)
try:
f = open_file_as_stream(path, mode="rb", buffering=0)
except OSError as e:
os.write(2, "%s -- %s (LoadError)\n" % (os.strerror(e.errno), path))
return 1
try:
imagedata = f.readall()
finally:
f.close()
image_reader = squeakimage.reader_for_image(space, squeakimage.Stream(data=imagedata))
image = create_image(space, image_reader)
interp = interpreter.Interpreter(space, image, image_name=path, trace=trace, evented=evented)
space.runtime_setup(argv[0])
if benchmark is not None:
return _run_benchmark(interp, number, benchmark, stringarg)
elif code is not None:
return _run_code(interp, code, as_benchmark=as_benchmark)
else:
_run_image(interp)
return 0
# _____ Define and setup target ___
def target(driver, *args):
# driver.config.translation.gc = "stmgc"
# driver.config.translation.gcrootfinder = "stm"
from rpython.rlib import rgc
if hasattr(rgc, "stm_is_enabled"):
driver.config.translation.stm = True
driver.config.translation.thread = True
return entry_point, None
def jitpolicy(self):
from rpython.jit.codewriter.policy import JitPolicy
return JitPolicy()
if __name__ == "__main__":
entry_point(sys.argv)