def create_invocation_end(ctxt: InvocationContext, builder: GraphTypeBuilder):
for set in ctxt.get_all_involved_sets():
with builder.subst(set=set.id):
handler = """
assert(deviceState->{invocation}_in_progress);
assert( deviceState->{invocation}_read_send_mask == 0 );
assert( deviceState->{invocation}_write_send_mask == 0 );
assert( deviceState->{invocation}_read_recv_count == 0 );
assert( deviceState->{invocation}_write_recv_count == deviceProperties->{invocation}_write_recv_total );
deviceState->{invocation}_in_progress=0;
deviceState->{invocation}_read_recv_count=0;
deviceState->{invocation}_write_recv_count=0;
"""
if set == ctxt.stat.iter_set:
for (ai, arg) in ctxt.global_writes:
handler += """
copy_value(message->global_{}, deviceState->global_{});
""".format(arg.global_.id, arg.global_.id)
else:
for (ai, arg) in ctxt.global_writes:
handler += """
zero_value(message->global_{});
""".format(arg.global_.id)
builder.add_output_pin("set_{set}", "{invocation}_end",
"{invocation}_end", handler)
def create_indirect_read_sends(ctxt: InvocationContext,
builder: GraphTypeBuilder):
for dat in ctxt.get_indirect_read_dats():
with builder.subst(dat=dat.id, set=dat.set.id):
builder.add_output_pin(
"set_{set}", "{invocation}_dat_{dat}_read_send", "dat_{dat}",
"""
assert(deviceState->{invocation}_read_send_mask & RTS_FLAG_{invocation}_dat_{dat}_read_send);
copy_value(message->value, deviceState->dat_{dat});
deviceState->{invocation}_read_send_mask &= ~RTS_FLAG_{invocation}_dat_{dat}_read_send;
""")
def create_invocation_execute(ctxt: InvocationContext,
builder: GraphTypeBuilder):
for set in ctxt.get_all_involved_sets():
with builder.subst(set=set.id, kernel=ctxt.stat.name):
handler = """
assert( deviceState->{invocation}_in_progress );
assert( deviceState->{invocation}_read_recv_count == {invocation}_{set}_read_recv_total );
deviceState->{invocation}_read_recv_count=0; // Allows us to tell that execute has happened
deviceState->{invocation}_write_recv_count++; // The increment for this "virtual" receive
deviceState->{invocation}_write_send_mask = {invocation}_{set}_write_send_mask_all; // In device-local shared code
"""
if set == ctxt.stat.iter_set:
handler += "kernel_{kernel}(\n"
for (ai, arg) in enumerate(ctxt.stat.arguments):
if isinstance(arg, GlobalArgument):
if (
ai, arg
) in ctxt.mutable_global_reads | ctxt.global_writes:
handler += builder.s(" deviceState->global_{id}",
id=arg.global_.id)
else:
handler += builder.s(
" (double*)graphProperties->global_{id}",
id=arg.global_.id)
elif isinstance(arg, DirectDatArgument):
handler += builder.s(" deviceState->dat_{dat}",
dat=arg.dat.id)
elif isinstance(arg, IndirectDatArgument):
handler += builder.s(
" deviceState->{invocation}_arg{index}_buffer",
index=ai)
else:
raise RuntimeError("Unexpected arg type.")
if ai + 1 < len(ctxt.stat.arguments):
handler += ","
handler += "\n"
handler += ");\n"
builder.add_output_pin("set_{set}", "{invocation}_execute",
"executeMsgType", handler)
def create_invocation_controller(ctxt: InvocationContext,
builder: GraphTypeBuilder):
handler = """
assert(deviceState->end_received==0);
assert(deviceState->invocation_index==RTS_INDEX_controller_{invocation}_begin);
deviceState->end_received=0;
deviceState->rts=0;
"""
for (ai, arg) in ctxt.mutable_global_reads:
handler += builder.s("""
copy_value(message->global_{name}, deviceState->global_{name});
""",
name=arg.global_.id)
builder.add_output_pin("controller", "{invocation}_begin",
"{invocation}_begin", handler)
handler = """
assert(deviceState->invocation_index==RTS_INDEX_controller_{invocation}_begin);
assert(deviceState->end_received < graphProperties->{invocation}_total_responding_devices);
deviceState->end_received++;
"""
# Collect any inc's to global values
for (ai, arg) in ctxt.global_writes:
assert arg.access_mode == AccessMode.INC
handler += builder.s("""
inc_value(deviceState->global_{name}, message->global_{name});
""",
name=arg.global_.id)
# Check whether we have finished
handler += """
if(deviceState->end_received == graphProperties->{invocation}_total_responding_devices){{
"""
handler += """
deviceState->invocation_index=-1;
deviceState->end_received=0;
deviceState->rts=RTS_FLAG_controller_control;
}}
"""
builder.add_input_pin("controller", "{invocation}_end", "{invocation}_end",
None, None, handler)
def create_indirect_write_sends(ctxt: InvocationContext,
builder: GraphTypeBuilder):
for (ai, arg) in ctxt.indirect_writes:
with builder.subst(index=ai,
set=arg.iter_set.id,
dat=arg.dat.id,
arity=-arg.index):
if arg.index >= 0:
builder.add_output_pin(
"set_{set}", "{invocation}_arg{index}_write_send",
"dat_{dat}", """
assert(deviceState->{invocation}_write_send_mask & RTS_FLAG_{invocation}_arg{index}_write_send);
copy_value(message->value, deviceState->{invocation}_arg{index}_buffer);
deviceState->{invocation}_write_send_mask &= ~RTS_FLAG_{invocation}_arg{index}_write_send;
""")
else:
builder.add_output_pin(
"set_{set}", "{invocation}_arg{index}_write_send",
"dat_{dat}_x{arity}", """
assert(deviceState->{invocation}_write_send_mask & RTS_FLAG_{invocation}_arg{index}_write_send);
copy_value(message->value, deviceState->{invocation}_arg{index}_buffer);
deviceState->{invocation}_write_send_mask &= ~RTS_FLAG_{invocation}_arg{index}_write_send;
""")
def compile_global_controller(gi: str, spec: SystemSpecification,
builder: GraphTypeBuilder, code: Statement):
create_controller_states(
code) # Make sure every statement has an entry state
builder.add_device_state(gi, "rts", scalar_uint32)
builder.add_device_state(gi, "state", scalar_uint32)
# This will be used as a hidden global, and captures the value
# of the condition for If and While
assert "_cond_" in spec.globals
start_state = get_statement_state(code)
finish_state = make_state()
builder.add_rts_clause(gi, "*readyToSend = deviceState->rts;\n")
with builder.subst(start_state=start_state):
handler = """
deviceState->rts=RTS_FLAG_control;
deviceState->state={start_state};
handler_log(4, "rts=%x, state=%d", deviceState->rts, deviceState->state);
"""
for mg in spec.globals.values():
if isinstance(mg, MutableGlobal):
handler += """
copy_value(deviceState->global_{global_}, graphProperties->init_global_{global_});
""".format(global_=mg.id)
builder.add_input_pin(gi, "__init__", "__init__", None, None, handler)
handler = raw("""
handler_log(4, "rts=%x, state=%d", deviceState->rts, deviceState->state);
*doSend=0; // disable this send...
deviceState->rts=RTS_FLAG_control; // ... but say that we want to send again (by default)
switch(deviceState->state){
""")
handler += render_controller_statement(code, finish_state)
handler += """
case {finish_state}:
handler_log(4, "Hit finish state.");
handler_exit(0);
break;
default:
handler_log(3, "Unknown state id %d.", deviceState->state);
assert(0);
}}
""".format(finish_state=finish_state)
builder.create_message_type("control", {})
builder.add_output_pin(gi, "control", "control", handler)
for user_code in find_scalars_in_code(code):
name = user_code.id
assert user_code.ast
src = mini_op2.framework.kernel_translator.scalar_to_c(
user_code.ast, name)
builder.add_device_shared_code("controller", raw(src))
for k in code.all_statements():
if isinstance(k, While):
name = k.id
src = mini_op2.framework.kernel_translator.scalar_to_c(
k.expr_ast, name)
builder.add_device_shared_code("controller", raw(src))
def create_invocation_tester(testIndex: int, isLast: bool,
ctxt: InvocationContext,
builder: GraphTypeBuilder):
with builder.subst(testIndex=testIndex, isLast=int(isLast)):
handler = """
assert(deviceState->end_received==0);
assert(deviceState->test_state==2*{testIndex});
deviceState->test_state++; // Odd value means we are waiting for the return
deviceState->end_received=0;
"""
#for (ai,arg) in ctxt.mutable_global_reads:
# handler+=builder.s("""
# copy_value(message->global_{name}, graphProperties->test_{invocation}_{name}_in);
# """,name=arg.global_.id)
builder.add_output_pin("tester", "{invocation}_begin",
"{invocation}_begin", handler)
handler = """
assert(deviceState->test_state==2*{testIndex}+1);
assert(deviceState->end_received < graphProperties->{invocation}_total_responding_devices);
deviceState->end_received++;
"""
# Collect any inc's to global values
for (ai, arg) in ctxt.global_writes:
assert arg.access_mode == AccessMode.INC
handler += builder.s("""
inc_value(deviceState->global_{name}, message->global_{name});
""",
name=arg.global_.id)
# Check whether we have finished
handler += """
if(deviceState->end_received == graphProperties->{invocation}_total_responding_devices){{
"""
# Remove for now - not clear how to do this.
if False:
# ... and if so, try to check the results are "right"
for (ai, arg) in ctxt.global_writes:
handler += builder.s("""
check_value(deviceState->global_{name}, graphProperties->test_{invocation}_{name}_out);
""",
name=arg.global_.id)
handler += """
if( {isLast} ){{
handler_exit(0);
}}else{{
deviceState->test_state++; // start the next invocation
deviceState->end_received=0;
}}
}}
"""
builder.add_input_pin("tester", "{invocation}_end", "{invocation}_end",
None, None, handler)
builder.add_rts_clause(
"tester", """
if(deviceState->test_state==2*{testIndex}){{
*readyToSend = RTS_FLAG_{invocation}_begin;
}}
""")