import sys from rpython.tool.sourcetools import func_with_new_name from rpython.rtyper.lltypesystem import lltype, llmemory from rpython.rtyper.annlowlevel import (llhelper, MixLevelHelperAnnotator, cast_base_ptr_to_instance, hlstr) from rpython.rtyper.llannotation import lltype_to_annotation from rpython.annotator import model as annmodel from rpython.rtyper.llinterp import LLException from rpython.rtyper.test.test_llinterp import get_interpreter, clear_tcache from rpython.flowspace.model import SpaceOperation, Variable, Constant from rpython.flowspace.model import checkgraph, Link, copygraph from rpython.rlib.objectmodel import we_are_translated from rpython.rlib.unroll import unrolling_iterable from rpython.rlib.debug import fatalerror from rpython.rlib.rstackovf import StackOverflow from rpython.translator.backendopt import removenoops from rpython.translator.unsimplify import call_final_function from rpython.jit.metainterp import history, pyjitpl, gc, memmgr, jitexc from rpython.jit.metainterp.pyjitpl import MetaInterpStaticData from rpython.jit.metainterp.jitprof import Profiler, EmptyProfiler from rpython.jit.metainterp.jitdriver import JitDriverStaticData from rpython.jit.codewriter import support, codewriter from rpython.jit.codewriter.policy import JitPolicy from rpython.jit.codewriter.effectinfo import EffectInfo from rpython.jit.metainterp.optimizeopt import ALL_OPTS_NAMES # ____________________________________________________________ # Bootstrapping def apply_jit(translator, backend_name="auto", inline=False, enable_opts=ALL_OPTS_NAMES, **kwds): if 'CPUClass' not in kwds: from rpython.jit.backend.detect_cpu import getcpuclass kwds['CPUClass'] = getcpuclass(backend_name) ProfilerClass = Profiler # Always use Profiler here, which should have a very low impact. # Otherwise you can try with ProfilerClass = EmptyProfiler. warmrunnerdesc = WarmRunnerDesc(translator, translate_support_code=True, listops=True, no_stats=True, ProfilerClass=ProfilerClass, **kwds) for jd in warmrunnerdesc.jitdrivers_sd: jd.warmstate.set_param_inlining(inline) jd.warmstate.set_param_enable_opts(enable_opts) warmrunnerdesc.finish() translator.warmrunnerdesc = warmrunnerdesc # for later debugging def ll_meta_interp(function, args, backendopt=False, type_system='lltype', listcomp=False, translationoptions={}, **kwds): if listcomp: extraconfigopts = {'translation.list_comprehension_operations': True} else: extraconfigopts = {} for key, value in translationoptions.items(): extraconfigopts['translation.' + key] = value interp, graph = get_interpreter(function, args, backendopt=False, # will be done below type_system=type_system, **extraconfigopts) clear_tcache() return jittify_and_run(interp, graph, args, backendopt=backendopt, **kwds) def jittify_and_run(interp, graph, args, repeat=1, graph_and_interp_only=False, backendopt=False, trace_limit=sys.maxint, inline=False, loop_longevity=0, retrace_limit=5, function_threshold=4, enable_opts=ALL_OPTS_NAMES, max_retrace_guards=15, **kwds): from rpython.config.config import ConfigError translator = interp.typer.annotator.translator try: translator.config.translation.gc = "boehm" except (ConfigError, TypeError): pass try: translator.config.translation.list_comprehension_operations = True except ConfigError: pass warmrunnerdesc = WarmRunnerDesc(translator, backendopt=backendopt, **kwds) for jd in warmrunnerdesc.jitdrivers_sd: jd.warmstate.set_param_threshold(3) # for tests jd.warmstate.set_param_function_threshold(function_threshold) jd.warmstate.set_param_trace_eagerness(2) # for tests jd.warmstate.set_param_trace_limit(trace_limit) jd.warmstate.set_param_inlining(inline) jd.warmstate.set_param_loop_longevity(loop_longevity) jd.warmstate.set_param_retrace_limit(retrace_limit) jd.warmstate.set_param_max_retrace_guards(max_retrace_guards) jd.warmstate.set_param_enable_opts(enable_opts) warmrunnerdesc.finish() if graph_and_interp_only: return interp, graph res = interp.eval_graph(graph, args) if not kwds.get('translate_support_code', False): warmrunnerdesc.metainterp_sd.profiler.finish() warmrunnerdesc.metainterp_sd.cpu.finish_once() print '~~~ return value:', repr(res) while repeat > 1: print '~' * 79 res1 = interp.eval_graph(graph, args) if isinstance(res, int): assert res1 == res repeat -= 1 return res def rpython_ll_meta_interp(function, args, backendopt=True, **kwds): return ll_meta_interp(function, args, backendopt=backendopt, translate_support_code=True, **kwds) def _find_jit_marker(graphs, marker_name, check_driver=True): results = [] for graph in graphs: for block in graph.iterblocks(): for i in range(len(block.operations)): op = block.operations[i] if (op.opname == 'jit_marker' and op.args[0].value == marker_name and (not check_driver or op.args[1].value is None or op.args[1].value.active)): # the jitdriver results.append((graph, block, i)) return results def find_can_enter_jit(graphs): return _find_jit_marker(graphs, 'can_enter_jit') def find_loop_headers(graphs): return _find_jit_marker(graphs, 'loop_header') def find_jit_merge_points(graphs): results = _find_jit_marker(graphs, 'jit_merge_point') if not results: raise Exception("no jit_merge_point found!") seen = set([graph for graph, block, pos in results]) assert len(seen) == len(results), ( "found several jit_merge_points in the same graph") return results def find_access_helpers(graphs): return _find_jit_marker(graphs, 'access_helper', False) def locate_jit_merge_point(graph): [(graph, block, pos)] = find_jit_merge_points([graph]) return block, pos, block.operations[pos] def find_set_param(graphs): return _find_jit_marker(graphs, 'set_param') def find_force_quasi_immutable(graphs): results = [] for graph in graphs: for block in graph.iterblocks(): for i in range(len(block.operations)): op = block.operations[i] if op.opname == 'jit_force_quasi_immutable': results.append((graph, block, i)) return results def get_stats(): return pyjitpl._warmrunnerdesc.stats def reset_stats(): pyjitpl._warmrunnerdesc.stats.clear() def reset_jit(): """Helper for some tests (see micronumpy/test/test_zjit.py)""" reset_stats() pyjitpl._warmrunnerdesc.memory_manager.alive_loops.clear() pyjitpl._warmrunnerdesc.jitcounter._clear_all() def get_translator(): return pyjitpl._warmrunnerdesc.translator def debug_checks(): stats = get_stats() stats.maybe_view() stats.check_consistency() # ____________________________________________________________ class WarmRunnerDesc(object): def __init__(self, translator, policy=None, backendopt=True, CPUClass=None, ProfilerClass=EmptyProfiler, **kwds): pyjitpl._warmrunnerdesc = self # this is a global for debugging only! self.set_translator(translator) self.memory_manager = memmgr.MemoryManager() self.build_cpu(CPUClass, **kwds) self.inline_inlineable_portals() self.find_portals() self.codewriter = codewriter.CodeWriter(self.cpu, self.jitdrivers_sd) if policy is None: policy = JitPolicy() policy.set_supports_floats(self.cpu.supports_floats) policy.set_supports_longlong(self.cpu.supports_longlong) policy.set_supports_singlefloats(self.cpu.supports_singlefloats) graphs = self.codewriter.find_all_graphs(policy) policy.dump_unsafe_loops() self.check_access_directly_sanity(graphs) if backendopt: self.prejit_optimizations(policy, graphs) elif self.opt.listops: self.prejit_optimizations_minimal_inline(policy, graphs) self.build_meta_interp(ProfilerClass) self.make_args_specifications() # from rpython.jit.metainterp.virtualref import VirtualRefInfo vrefinfo = VirtualRefInfo(self) self.codewriter.setup_vrefinfo(vrefinfo) # from rpython.jit.metainterp import counter if self.cpu.translate_support_code: self.jitcounter = counter.JitCounter(translator=translator) else: self.jitcounter = counter.DeterministicJitCounter() # self.hooks = policy.jithookiface self.make_virtualizable_infos() self.make_driverhook_graphs() self.make_enter_functions() self.rewrite_jit_merge_points(policy) verbose = False # not self.cpu.translate_support_code self.rewrite_access_helpers() self.codewriter.make_jitcodes(verbose=verbose) self.rewrite_can_enter_jits() self.rewrite_set_param_and_get_stats() self.rewrite_force_virtual(vrefinfo) self.rewrite_force_quasi_immutable() self.add_finish() self.metainterp_sd.finish_setup(self.codewriter) def finish(self): vinfos = set([jd.virtualizable_info for jd in self.jitdrivers_sd]) for vinfo in vinfos: if vinfo is not None: vinfo.finish() if self.cpu.translate_support_code: self.annhelper.finish() def _freeze_(self): return True def set_translator(self, translator): self.translator = translator self.rtyper = translator.rtyper self.gcdescr = gc.get_description(translator.config) def inline_inlineable_portals(self): """ Find all the graphs which have been decorated with @jitdriver.inline and inline them in the callers, making them JIT portals. Then, create a fresh copy of the jitdriver for each of those new portals, because they cannot share the same one. See test_ajit::test_inline_jit_merge_point """ from rpython.translator.backendopt.inline import ( inlinable_static_callers, auto_inlining) jmp_calls = {} def get_jmp_call(graph, _inline_jit_merge_point_): # there might be multiple calls to the @inlined function: the # first time we see it, we remove the call to the jit_merge_point # and we remember the corresponding op. Then, we create a new call # to it every time we need a new one (i.e., for each callsite # which becomes a new portal) try: op, jmp_graph = jmp_calls[graph] except KeyError: op, jmp_graph = fish_jmp_call(graph, _inline_jit_merge_point_) jmp_calls[graph] = op, jmp_graph # # clone the op newargs = op.args[:] newresult = Variable() newresult.concretetype = op.result.concretetype op = SpaceOperation(op.opname, newargs, newresult) return op, jmp_graph def fish_jmp_call(graph, _inline_jit_merge_point_): # graph is function which has been decorated with # @jitdriver.inline, so its very first op is a call to the # function which contains the actual jit_merge_point: fish it! jmp_block, op_jmp_call = next(callee.iterblockops()) msg = ("The first operation of an _inline_jit_merge_point_ graph must be " "a direct_call to the function passed to @jitdriver.inline()") assert op_jmp_call.opname == 'direct_call', msg jmp_funcobj = op_jmp_call.args[0].value._obj assert jmp_funcobj._callable is _inline_jit_merge_point_, msg jmp_block.operations.remove(op_jmp_call) return op_jmp_call, jmp_funcobj.graph # find all the graphs which call an @inline_in_portal function callgraph = inlinable_static_callers(self.translator.graphs, store_calls=True) new_callgraph = [] new_portals = set() inlined_jit_merge_points = set() for caller, block, op_call, callee in callgraph: func = getattr(callee, 'func', None) _inline_jit_merge_point_ = getattr(func, '_inline_jit_merge_point_', None) if _inline_jit_merge_point_: _inline_jit_merge_point_._always_inline_ = True inlined_jit_merge_points.add(_inline_jit_merge_point_) op_jmp_call, jmp_graph = get_jmp_call(callee, _inline_jit_merge_point_) # # now we move the op_jmp_call from callee to caller, just # before op_call. We assume that the args passed to # op_jmp_call are the very same which are received by callee # (i.e., the one passed to op_call) assert len(op_call.args) == len(op_jmp_call.args) op_jmp_call.args[1:] = op_call.args[1:] idx = block.operations.index(op_call) block.operations.insert(idx, op_jmp_call) # # finally, we signal that we want to inline op_jmp_call into # caller, so that finally the actuall call to # driver.jit_merge_point will be seen there new_callgraph.append((caller, jmp_graph)) new_portals.add(caller) # inline them! inline_threshold = 0.1 # we rely on the _always_inline_ set above auto_inlining(self.translator, inline_threshold, new_callgraph) # clean up _always_inline_ = True, it can explode later for item in inlined_jit_merge_points: del item._always_inline_ # make a fresh copy of the JitDriver in all newly created # jit_merge_points self.clone_inlined_jit_merge_points(new_portals) def clone_inlined_jit_merge_points(self, graphs): """ Find all the jit_merge_points in the given graphs, and replace the original JitDriver with a fresh clone. """ if not graphs: return for graph, block, pos in find_jit_merge_points(graphs): op = block.operations[pos] v_driver = op.args[1] driver = v_driver.value if not driver.inline_jit_merge_point: continue new_driver = driver.clone() c_new_driver = Constant(new_driver, v_driver.concretetype) op.args[1] = c_new_driver def find_portals(self): self.jitdrivers_sd = [] graphs = self.translator.graphs for graph, block, pos in find_jit_merge_points(graphs): support.autodetect_jit_markers_redvars(graph) self.split_graph_and_record_jitdriver(graph, block, pos) # assert (len(set([jd.jitdriver for jd in self.jitdrivers_sd])) == len(self.jitdrivers_sd)), \ "there are multiple jit_merge_points with the same jitdriver" def split_graph_and_record_jitdriver(self, graph, block, pos): op = block.operations[pos] jd = JitDriverStaticData() jd._jit_merge_point_in = graph args = op.args[2:] s_binding = self.translator.annotator.binding jd._portal_args_s = [s_binding(v) for v in args] graph = copygraph(graph) [jmpp] = find_jit_merge_points([graph]) graph.startblock = support.split_before_jit_merge_point(*jmpp) # XXX this is incredibly obscure, but this is sometiems necessary # so we don't explode in checkgraph. for reasons unknown this # is not contanied within simplify_graph removenoops.remove_same_as(graph) # a crash in the following checkgraph() means that you forgot # to list some variable in greens=[] or reds=[] in JitDriver, # or that a jit_merge_point() takes a constant as an argument. checkgraph(graph) for v in graph.getargs(): assert isinstance(v, Variable) assert len(dict.fromkeys(graph.getargs())) == len(graph.getargs()) self.translator.graphs.append(graph) jd.portal_graph = graph # it's a bit unbelievable to have a portal without func assert hasattr(graph, "func") graph.func._dont_inline_ = True graph.func._jit_unroll_safe_ = True jd.jitdriver = block.operations[pos].args[1].value jd.portal_runner_ptr = "" jd.result_type = history.getkind(jd.portal_graph.getreturnvar() .concretetype)[0] self.jitdrivers_sd.append(jd) def check_access_directly_sanity(self, graphs): from rpython.translator.backendopt.inline import collect_called_graphs jit_graphs = set(graphs) for graph in collect_called_graphs(self.translator.entry_point_graph, self.translator): if graph in jit_graphs: continue assert not getattr(graph, 'access_directly', False) def prejit_optimizations(self, policy, graphs): from rpython.translator.backendopt.all import backend_optimizations backend_optimizations(self.translator, graphs=graphs, merge_if_blocks=True, constfold=True, raisingop2direct_call=False, remove_asserts=True, really_remove_asserts=True) def prejit_optimizations_minimal_inline(self, policy, graphs): from rpython.translator.backendopt.inline import auto_inline_graphs auto_inline_graphs(self.translator, graphs, 0.01) def build_cpu(self, CPUClass, translate_support_code=False, no_stats=False, supports_floats=True, supports_longlong=True, supports_singlefloats=True, **kwds): assert CPUClass is not None self.opt = history.Options(**kwds) if no_stats: stats = history.NoStats() else: stats = history.Stats() self.stats = stats if translate_support_code: self.annhelper = MixLevelHelperAnnotator(self.translator.rtyper) cpu = CPUClass(self.translator.rtyper, self.stats, self.opt, translate_support_code, gcdescr=self.gcdescr) if not supports_floats: cpu.supports_floats = False if not supports_longlong: cpu.supports_longlong = False if not supports_singlefloats: cpu.supports_singlefloats = False self.cpu = cpu def build_meta_interp(self, ProfilerClass): self.metainterp_sd = MetaInterpStaticData(self.cpu, self.opt, ProfilerClass=ProfilerClass, warmrunnerdesc=self) def make_virtualizable_infos(self): vinfos = {} for jd in self.jitdrivers_sd: # jd.greenfield_info = None for name in jd.jitdriver.greens: if '.' in name: from rpython.jit.metainterp.greenfield import GreenFieldInfo jd.greenfield_info = GreenFieldInfo(self.cpu, jd) break # if not jd.jitdriver.virtualizables: jd.virtualizable_info = None jd.index_of_virtualizable = -1 continue else: assert jd.greenfield_info is None, "XXX not supported yet" # jitdriver = jd.jitdriver assert len(jitdriver.virtualizables) == 1 # for now [vname] = jitdriver.virtualizables # XXX skip the Voids here too jd.index_of_virtualizable = jitdriver.reds.index(vname) # index = jd.num_green_args + jd.index_of_virtualizable VTYPEPTR = jd._JIT_ENTER_FUNCTYPE.ARGS[index] if VTYPEPTR not in vinfos: from rpython.jit.metainterp.virtualizable import VirtualizableInfo vinfos[VTYPEPTR] = VirtualizableInfo(self, VTYPEPTR) jd.virtualizable_info = vinfos[VTYPEPTR] def make_enter_functions(self): for jd in self.jitdrivers_sd: self.make_enter_function(jd) def make_enter_function(self, jd): from rpython.jit.metainterp.warmstate import WarmEnterState state = WarmEnterState(self, jd) maybe_compile_and_run = state.make_entry_point() jd.warmstate = state def crash_in_jit(e): tb = not we_are_translated() and sys.exc_info()[2] try: raise e except jitexc.JitException: raise # go through except MemoryError: raise # go through except StackOverflow: raise # go through except Exception, e: if not we_are_translated(): print "~~~ Crash in JIT!" print '~~~ %s: %s' % (e.__class__, e) if sys.stdout == sys.__stdout__: import pdb; pdb.post_mortem(tb) raise e.__class__, e, tb fatalerror('~~~ Crash in JIT! %s' % (e,)) crash_in_jit._dont_inline_ = True if self.translator.rtyper.type_system.name == 'lltypesystem': def maybe_enter_jit(*args): try: maybe_compile_and_run(state.increment_threshold, *args) except Exception, e: crash_in_jit(e) maybe_enter_jit._always_inline_ = True else: def maybe_enter_jit(*args): maybe_compile_and_run(state.increment_threshold, *args) maybe_enter_jit._always_inline_ = True jd._maybe_enter_jit_fn = maybe_enter_jit jd._maybe_compile_and_run_fn = maybe_compile_and_run def make_driverhook_graphs(self): s_Str = annmodel.SomeString() # annhelper = MixLevelHelperAnnotator(self.translator.rtyper) for jd in self.jitdrivers_sd: jd._get_printable_location_ptr = self._make_hook_graph(jd, annhelper, jd.jitdriver.get_printable_location, s_Str) jd._confirm_enter_jit_ptr = self._make_hook_graph(jd, annhelper, jd.jitdriver.confirm_enter_jit, annmodel.s_Bool, onlygreens=False) jd._can_never_inline_ptr = self._make_hook_graph(jd, annhelper, jd.jitdriver.can_never_inline, annmodel.s_Bool) jd._should_unroll_one_iteration_ptr = self._make_hook_graph(jd, annhelper, jd.jitdriver.should_unroll_one_iteration, annmodel.s_Bool) annhelper.finish() def _make_hook_graph(self, jitdriver_sd, annhelper, func, s_result, s_first_arg=None, onlygreens=True): if func is None: return None # if not onlygreens: assert not jitdriver_sd.jitdriver.autoreds, ( "reds='auto' is not compatible with JitDriver hooks such as " "confirm_enter_jit") extra_args_s = [] if s_first_arg is not None: extra_args_s.append(s_first_arg) # args_s = jitdriver_sd._portal_args_s if onlygreens: args_s = args_s[:len(jitdriver_sd._green_args_spec)] graph = annhelper.getgraph(func, extra_args_s + args_s, s_result) funcptr = annhelper.graph2delayed(graph) return funcptr def make_args_specifications(self): for jd in self.jitdrivers_sd: self.make_args_specification(jd) def make_args_specification(self, jd): graph = jd._jit_merge_point_in _, _, op = locate_jit_merge_point(graph) greens_v, reds_v = support.decode_hp_hint_args(op) ALLARGS = [v.concretetype for v in (greens_v + reds_v)] jd._green_args_spec = [v.concretetype for v in greens_v] jd.red_args_types = [history.getkind(v.concretetype) for v in reds_v] jd.num_green_args = len(jd._green_args_spec) jd.num_red_args = len(jd.red_args_types) RESTYPE = graph.getreturnvar().concretetype (jd._JIT_ENTER_FUNCTYPE, jd._PTR_JIT_ENTER_FUNCTYPE) = self.cpu.ts.get_FuncType(ALLARGS, lltype.Void) (jd._PORTAL_FUNCTYPE, jd._PTR_PORTAL_FUNCTYPE) = self.cpu.ts.get_FuncType(ALLARGS, RESTYPE) # if jd.result_type == 'v': ASMRESTYPE = lltype.Void elif jd.result_type == history.INT: ASMRESTYPE = lltype.Signed elif jd.result_type == history.REF: ASMRESTYPE = llmemory.GCREF elif jd.result_type == history.FLOAT: ASMRESTYPE = lltype.Float else: assert False (_, jd._PTR_ASSEMBLER_HELPER_FUNCTYPE) = self.cpu.ts.get_FuncType( [llmemory.GCREF, llmemory.GCREF], ASMRESTYPE) def rewrite_can_enter_jits(self): sublists = {} for jd in self.jitdrivers_sd: sublists[jd.jitdriver] = jd, [] jd.no_loop_header = True # loop_headers = find_loop_headers(self.translator.graphs) for graph, block, index in loop_headers: op = block.operations[index] jitdriver = op.args[1].value assert jitdriver in sublists, \ "loop_header with no matching jit_merge_point" jd, sublist = sublists[jitdriver] jd.no_loop_header = False # can_enter_jits = find_can_enter_jit(self.translator.graphs) for graph, block, index in can_enter_jits: op = block.operations[index] jitdriver = op.args[1].value assert jitdriver in sublists, \ "can_enter_jit with no matching jit_merge_point" assert not jitdriver.autoreds, ( "can_enter_jit not supported with a jitdriver that " "has reds='auto'") jd, sublist = sublists[jitdriver] origportalgraph = jd._jit_merge_point_in if graph is not origportalgraph: sublist.append((graph, block, index)) jd.no_loop_header = False else: pass # a 'can_enter_jit' before the 'jit-merge_point', but # originally in the same function: we ignore it here # see e.g. test_jitdriver.test_simple for jd in self.jitdrivers_sd: _, sublist = sublists[jd.jitdriver] self.rewrite_can_enter_jit(jd, sublist) def rewrite_can_enter_jit(self, jd, can_enter_jits): FUNCPTR = jd._PTR_JIT_ENTER_FUNCTYPE jit_enter_fnptr = self.helper_func(FUNCPTR, jd._maybe_enter_jit_fn) if len(can_enter_jits) == 0: # see test_warmspot.test_no_loop_at_all operations = jd.portal_graph.startblock.operations op1 = operations[0] assert (op1.opname == 'jit_marker' and op1.args[0].value == 'jit_merge_point') op0 = SpaceOperation( 'jit_marker', [Constant('can_enter_jit', lltype.Void)] + op1.args[1:], None) operations.insert(0, op0) can_enter_jits = [(jd.portal_graph, jd.portal_graph.startblock, 0)] for graph, block, index in can_enter_jits: if graph is jd._jit_merge_point_in: continue op = block.operations[index] greens_v, reds_v = support.decode_hp_hint_args(op) args_v = greens_v + reds_v vlist = [Constant(jit_enter_fnptr, FUNCPTR)] + args_v v_result = Variable() v_result.concretetype = lltype.Void newop = SpaceOperation('direct_call', vlist, v_result) block.operations[index] = newop def helper_func(self, FUNCPTR, func): if not self.cpu.translate_support_code: return llhelper(FUNCPTR, func) FUNC = FUNCPTR.TO args_s = [lltype_to_annotation(ARG) for ARG in FUNC.ARGS] s_result = lltype_to_annotation(FUNC.RESULT) graph = self.annhelper.getgraph(func, args_s, s_result) return self.annhelper.graph2delayed(graph, FUNC) def rewrite_access_helpers(self): ah = find_access_helpers(self.translator.graphs) for graph, block, index in ah: op = block.operations[index] self.rewrite_access_helper(op) def rewrite_access_helper(self, op): # make sure we make a copy of function so it no longer belongs # to extregistry func = op.args[1].value if func.func_name.startswith('stats_'): # get special treatment since we rewrite it to a call that accepts # jit driver func = func_with_new_name(func, func.func_name + '_compiled') def new_func(ignored, *args): return func(self, *args) ARGS = [lltype.Void] + [arg.concretetype for arg in op.args[3:]] else: ARGS = [arg.concretetype for arg in op.args[2:]] new_func = func_with_new_name(func, func.func_name + '_compiled') RESULT = op.result.concretetype FUNCPTR = lltype.Ptr(lltype.FuncType(ARGS, RESULT)) ptr = self.helper_func(FUNCPTR, new_func) op.opname = 'direct_call' op.args = [Constant(ptr, FUNCPTR)] + op.args[2:] def rewrite_jit_merge_points(self, policy): for jd in self.jitdrivers_sd: self.rewrite_jit_merge_point(jd, policy) def rewrite_jit_merge_point(self, jd, policy): # # Mutate the original portal graph from this: # # def original_portal(..): # stuff # while 1: # jit_merge_point(*args) # more stuff # # to that: # # def original_portal(..): # stuff # return portal_runner(*args) # # def portal_runner(*args): # while 1: # try: # return portal(*args) # except ContinueRunningNormally, e: # *args = *e.new_args # except DoneWithThisFrame, e: # return e.return # except ExitFrameWithException, e: # raise Exception, e.value # # def portal(*args): # while 1: # more stuff # origportalgraph = jd._jit_merge_point_in portalgraph = jd.portal_graph PORTALFUNC = jd._PORTAL_FUNCTYPE # ____________________________________________________________ # Prepare the portal_runner() helper # from rpython.jit.metainterp.warmstate import specialize_value from rpython.jit.metainterp.warmstate import unspecialize_value portal_ptr = self.cpu.ts.functionptr(PORTALFUNC, 'portal', graph=portalgraph) jd._portal_ptr = portal_ptr # portalfunc_ARGS = [] nums = {} for i, ARG in enumerate(PORTALFUNC.ARGS): kind = history.getkind(ARG) assert kind != 'void' if i < len(jd.jitdriver.greens): color = 'green' else: color = 'red' attrname = '%s_%s' % (color, kind) count = nums.get(attrname, 0) nums[attrname] = count + 1 portalfunc_ARGS.append((ARG, attrname, count)) portalfunc_ARGS = unrolling_iterable(portalfunc_ARGS) # rtyper = self.translator.rtyper RESULT = PORTALFUNC.RESULT result_kind = history.getkind(RESULT) ts = self.cpu.ts state = jd.warmstate maybe_compile_and_run = jd._maybe_compile_and_run_fn def ll_portal_runner(*args): start = True while 1: try: # maybe enter from the function's start. Note that the # 'start' variable is constant-folded away because it's # the first statement in the loop. if start: maybe_compile_and_run( state.increment_function_threshold, *args) # # then run the normal portal function, i.e. the # interpreter's main loop. It might enter the jit # via maybe_enter_jit(), which typically ends with # handle_fail() being called, which raises on the # following exceptions --- catched here, because we # want to interrupt the whole interpreter loop. return support.maybe_on_top_of_llinterp(rtyper, portal_ptr)(*args) except jitexc.ContinueRunningNormally, e: args = () for ARGTYPE, attrname, count in portalfunc_ARGS: x = getattr(e, attrname)[count] x = specialize_value(ARGTYPE, x) args = args + (x,) start = False continue except jitexc.DoneWithThisFrameVoid: assert result_kind == 'void' return except jitexc.DoneWithThisFrameInt, e: assert result_kind == 'int' return specialize_value(RESULT, e.result) except jitexc.DoneWithThisFrameRef, e: assert result_kind == 'ref' return specialize_value(RESULT, e.result) except jitexc.DoneWithThisFrameFloat, e: assert result_kind == 'float' return specialize_value(RESULT, e.result) except jitexc.ExitFrameWithExceptionRef, e: value = ts.cast_to_baseclass(e.value) if not we_are_translated(): raise LLException(ts.get_typeptr(value), value) else: value = cast_base_ptr_to_instance(Exception, value) raise Exception, value def handle_jitexception(e): # XXX the bulk of this function is mostly a copy-paste from above try: raise e except jitexc.ContinueRunningNormally, e: args = () for ARGTYPE, attrname, count in portalfunc_ARGS: x = getattr(e, attrname)[count] x = specialize_value(ARGTYPE, x) args = args + (x,) result = ll_portal_runner(*args) if result_kind != 'void': result = unspecialize_value(result) return result except jitexc.DoneWithThisFrameVoid: assert result_kind == 'void' return except jitexc.DoneWithThisFrameInt, e: assert result_kind == 'int' return e.result except jitexc.DoneWithThisFrameRef, e: assert result_kind == 'ref' return e.result except jitexc.DoneWithThisFrameFloat, e: assert result_kind == 'float' return e.result except jitexc.ExitFrameWithExceptionRef, e: value = ts.cast_to_baseclass(e.value) if not we_are_translated(): raise LLException(ts.get_typeptr(value), value) else: value = cast_base_ptr_to_instance(Exception, value) raise Exception, value jd._ll_portal_runner = ll_portal_runner # for debugging jd.portal_runner_ptr = self.helper_func(jd._PTR_PORTAL_FUNCTYPE, ll_portal_runner) jd.portal_runner_adr = llmemory.cast_ptr_to_adr(jd.portal_runner_ptr) jd.portal_calldescr = self.cpu.calldescrof( jd._PTR_PORTAL_FUNCTYPE.TO, jd._PTR_PORTAL_FUNCTYPE.TO.ARGS, jd._PTR_PORTAL_FUNCTYPE.TO.RESULT, EffectInfo.MOST_GENERAL) vinfo = jd.virtualizable_info def assembler_call_helper(deadframe, virtualizableref): fail_descr = self.cpu.get_latest_descr(deadframe) try: fail_descr.handle_fail(deadframe, self.metainterp_sd, jd) except jitexc.JitException, e: return handle_jitexception(e) else: assert 0, "should have raised" jd._assembler_call_helper = assembler_call_helper # for debugging jd._assembler_helper_ptr = self.helper_func( jd._PTR_ASSEMBLER_HELPER_FUNCTYPE, assembler_call_helper) jd.assembler_helper_adr = llmemory.cast_ptr_to_adr( jd._assembler_helper_ptr) if vinfo is not None: jd.vable_token_descr = vinfo.vable_token_descr def handle_jitexception_from_blackhole(bhcaller, e): result = handle_jitexception(e) if result_kind == 'void': pass elif result_kind == 'int': bhcaller._setup_return_value_i(result) elif result_kind == 'ref': bhcaller._setup_return_value_r(result) elif result_kind == 'float': bhcaller._setup_return_value_f(result) else: assert False jd.handle_jitexc_from_bh = handle_jitexception_from_blackhole # ____________________________________________________________ # Now mutate origportalgraph to end with a call to portal_runner_ptr # origblock, origindex, op = locate_jit_merge_point(origportalgraph) assert op.opname == 'jit_marker' assert op.args[0].value == 'jit_merge_point' greens_v, reds_v = support.decode_hp_hint_args(op) vlist = [Constant(jd.portal_runner_ptr, jd._PTR_PORTAL_FUNCTYPE)] vlist += greens_v vlist += reds_v v_result = Variable() v_result.concretetype = PORTALFUNC.RESULT newop = SpaceOperation('direct_call', vlist, v_result) del origblock.operations[origindex:] origblock.operations.append(newop) origblock.exitswitch = None origblock.recloseblock(Link([v_result], origportalgraph.returnblock)) # the origportal now can raise (even if it did not raise before), # which means that we cannot inline it anywhere any more, but that's # fine since any forced inlining has been done before # checkgraph(origportalgraph) def add_finish(self): def finish(): if self.metainterp_sd.profiler.initialized: self.metainterp_sd.profiler.finish() self.metainterp_sd.cpu.finish_once() if self.cpu.translate_support_code: call_final_function(self.translator, finish, annhelper=self.annhelper) def rewrite_set_param_and_get_stats(self): from rpython.rtyper.lltypesystem.rstr import STR closures = {} graphs = self.translator.graphs _, PTR_SET_PARAM_FUNCTYPE = self.cpu.ts.get_FuncType([lltype.Signed], lltype.Void) _, PTR_SET_PARAM_STR_FUNCTYPE = self.cpu.ts.get_FuncType( [lltype.Ptr(STR)], lltype.Void) def make_closure(jd, fullfuncname, is_string): if jd is None: def closure(i): if is_string: i = hlstr(i) for jd in self.jitdrivers_sd: getattr(jd.warmstate, fullfuncname)(i) else: state = jd.warmstate def closure(i): if is_string: i = hlstr(i) getattr(state, fullfuncname)(i) if is_string: TP = PTR_SET_PARAM_STR_FUNCTYPE else: TP = PTR_SET_PARAM_FUNCTYPE funcptr = self.helper_func(TP, closure) return Constant(funcptr, TP) # for graph, block, i in find_set_param(graphs): op = block.operations[i] if op.args[1].value is not None: for jd in self.jitdrivers_sd: if jd.jitdriver is op.args[1].value: break else: assert 0, "jitdriver of set_param() not found" else: jd = None funcname = op.args[2].value key = jd, funcname if key not in closures: closures[key] = make_closure(jd, 'set_param_' + funcname, funcname == 'enable_opts') op.opname = 'direct_call' op.args[:3] = [closures[key]] def rewrite_force_virtual(self, vrefinfo): all_graphs = self.translator.graphs vrefinfo.replace_force_virtual_with_call(all_graphs) def replace_force_quasiimmut_with_direct_call(self, op): ARG = op.args[0].concretetype mutatefieldname = op.args[1].value key = (ARG, mutatefieldname) if key in self._cache_force_quasiimmed_funcs: cptr = self._cache_force_quasiimmed_funcs[key] else: from rpython.jit.metainterp import quasiimmut func = quasiimmut.make_invalidation_function(ARG, mutatefieldname) FUNC = lltype.Ptr(lltype.FuncType([ARG], lltype.Void)) llptr = self.helper_func(FUNC, func) cptr = Constant(llptr, FUNC) self._cache_force_quasiimmed_funcs[key] = cptr op.opname = 'direct_call' op.args = [cptr, op.args[0]] def rewrite_force_quasi_immutable(self): self._cache_force_quasiimmed_funcs = {} graphs = self.translator.graphs for graph, block, i in find_force_quasi_immutable(graphs): self.replace_force_quasiimmut_with_direct_call(block.operations[i])