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"""
virtual_gpu_driver/src/command_queue.py
Command queue and scheduler for compute/graphics commands.
"""
import threading
import queue
class Command:
def __init__(self, cmd_type, args, dependencies=None):
self.cmd_type = cmd_type
self.args = args
self.dependencies = dependencies or []
self.completed = threading.Event()
class CommandQueue:
def __init__(self, num_chips, num_sms):
self.queue = queue.Queue()
self.num_chips = num_chips
self.num_sms = num_sms
self.lock = threading.Lock()
self.chip_states = [None] * num_chips
self.sm_states = [[None]*num_sms for _ in range(num_chips)]
def enqueue(self, command):
self.queue.put(command)
def dispatch(self):
# Round-robin dispatch to chips/SMs
while not self.queue.empty():
cmd = self.queue.get()
# For demo: just mark as complete
cmd.completed.set()
def wait_for_all(self):
# Wait for all commands to complete
while not self.queue.empty():
cmd = self.queue.get()
cmd.completed.wait()
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