From eac046ea55d5360c10aa61e7503ca8a9b1aa5b82 Mon Sep 17 00:00:00 2001
From: nimlgen <138685161+nimlgen@users.noreply.github.com>
Date: Wed, 11 Sep 2024 23:13:13 +0300
Subject: [PATCH] hcq check queue size before submit (#6481)

---
 tinygrad/device.py         | 2 +-
 tinygrad/runtime/ops_nv.py | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/tinygrad/device.py b/tinygrad/device.py
index 171d5ade32..4f0a3d7ebe 100644
--- a/tinygrad/device.py
+++ b/tinygrad/device.py
@@ -315,7 +315,7 @@ class HWCommandQueue:
     Args:
       device: The device to submit the queue to
     """
-    self._submit(device)
+    if self.q: self._submit(device)
     return self
   def _submit(self, device:HCQCompiled): raise NotImplementedError("backend should overload this function")
 
diff --git a/tinygrad/runtime/ops_nv.py b/tinygrad/runtime/ops_nv.py
index ac5c23ab47..a29b0bd6e6 100644
--- a/tinygrad/runtime/ops_nv.py
+++ b/tinygrad/runtime/ops_nv.py
@@ -109,8 +109,6 @@ class NVCommandQueue(HWCommandQueue): # pylint: disable=abstract-method
     self.q = hw_view # type: ignore
 
   def _submit_to_gpfifo(self, dev, gpfifo:GPFifo):
-    if len(self.q) == 0: return
-
     if dev == self.binded_device: cmdq_addr = self.hw_page.va_addr
     else:
       if dev.cmdq_wptr + len(self.q) * 4 > dev.cmdq_page.size: