diff --git a/extra/jit.py b/extra/jit.py
index ec5163a8c5..9cebf0f567 100644
--- a/extra/jit.py
+++ b/extra/jit.py
@@ -1,5 +1,6 @@
 from typing import Callable, List, Tuple
 import itertools
+from tinygrad.lazy import Device
 from tinygrad.tensor import Tensor
 from tinygrad.ops import DEBUG, GlobalCounters
 
@@ -12,20 +13,24 @@ class TinyJit:
     self.input_replace = {}
 
   def __call__(self, *args, **kwargs):
+    if Device.DEFAULT != "GPU": return self.fxn(*args, **kwargs)  # only jit on the GPU
     input_tensors = {k:v.realize().lazydata.realized._buf for k,v in itertools.chain(enumerate(args), kwargs.items()) if isinstance(v, Tensor)}
+    assert len(input_tensors) != 0, "no inputs to JIT"
     if self.cnt >= 2:
       for a,idx in self.input_replace.items(): a._buf = input_tensors[idx]
       for prg, args in self.jit_cache: prg(*args)
-    else:
-      if self.cnt == 1: GlobalCounters.cache = []
-      self.ret = self.fxn(*args, **kwargs).realize()
-      if self.cnt == 1:
-        self.jit_cache = GlobalCounters.cache
-        GlobalCounters.cache = None
+    elif self.cnt == 1:
+      GlobalCounters.cache = []
+      self.ret = self.fxn(*args, **kwargs)
+      self.jit_cache = GlobalCounters.cache
+      GlobalCounters.cache = None
+      assert len(self.jit_cache) != 0, "didn't JIT anything!"
 
-        # get the inputs for replacement
-        for prg, args in self.jit_cache:  # pylint: disable=E1133
-          self.input_replace.update({a:[k for k,v in input_tensors.items() if v == a._buf][0] for a in args if a._buf in input_tensors.values()})
-        assert set(self.input_replace.values()) == set(input_tensors.keys()), "some input tensors not found"
+      # get the inputs for replacement
+      for prg, args in self.jit_cache:  # pylint: disable=E1133
+        self.input_replace.update({a:[k for k,v in input_tensors.items() if v == a._buf][0] for a in args if a._buf in input_tensors.values()})
+      assert set(self.input_replace.values()) == set(input_tensors.keys()), "some input tensors not found"
+    elif self.cnt == 0:
+      self.ret = self.fxn(*args, **kwargs)
     self.cnt += 1
     return self.ret
diff --git a/openpilot/compile.py b/openpilot/compile.py
index fabcbb61b0..43463a86e1 100644
--- a/openpilot/compile.py
+++ b/openpilot/compile.py
@@ -63,7 +63,7 @@ def model_exec(run_onnx, using_graph, **inputs):
   ret = next(iter(run_onnx(inputs).values()))
   GlobalCounters.cache = []  # don't cache pre-realize
   if using_graph: graph.GRAPH = True
-  return ret
+  return ret.realize()
 
 def compile(dat, output_fn):
   Tensor.no_grad = True
diff --git a/test/test_jit.py b/test/test_jit.py
index 7d809ad834..04d25a3a47 100644
--- a/test/test_jit.py
+++ b/test/test_jit.py
@@ -8,7 +8,7 @@ from extra.jit import TinyJit
 class TestJit(unittest.TestCase):
   def test_simple_jit(self):
     @TinyJit
-    def add(a, b): return a+b
+    def add(a, b): return (a+b).realize()
     for _ in range(3):
       a = Tensor.randn(10, 10)
       b = Tensor.randn(10, 10)
@@ -17,7 +17,7 @@ class TestJit(unittest.TestCase):
 
   def test_kwargs_jit(self):
     @TinyJit
-    def add_kwargs(first, second): return first+second
+    def add_kwargs(first, second): return (first+second).realize()
     for _ in range(3):
       a = Tensor.randn(10, 10)
       b = Tensor.randn(10, 10)
@@ -26,12 +26,12 @@ class TestJit(unittest.TestCase):
 
   def test_array_jit(self):
     @TinyJit
-    def add_array(arr): return arr[0]+arr[1]
+    def add_array(a, arr): return (a+arr[0]).realize()
     for i in range(3):
       a = Tensor.randn(10, 10)
       b = Tensor.randn(10, 10)
       a.realize(), b.realize()
-      c = add_array([a,b])
+      c = add_array(a, [b])
       if i == 2:
         # should fail once jitted since jit can't handle arrays
         np.testing.assert_equal(np.any(np.not_equal(c.numpy(),a.numpy()+b.numpy())), True)
diff --git a/test/test_speed_v_torch.py b/test/test_speed_v_torch.py
index b949831cae..0b319c632c 100644
--- a/test/test_speed_v_torch.py
+++ b/test/test_speed_v_torch.py
@@ -11,6 +11,7 @@ from tinygrad.ops import GlobalCounters
 from tinygrad.tensor import Tensor
 from tinygrad.nn import Conv2d
 from tinygrad.helpers import colored, getenv
+from extra.jit import TinyJit
 try:
   from tinygrad.runtime.opencl import CL
 except ImportError:
@@ -39,6 +40,7 @@ def helper_test_speed(f1, *args):
     del ret
     GlobalCounters.global_ops = 0
     GlobalCounters.global_mem = 0
+    args = [(x+1).realize() if isinstance(x,Tensor) else (None if x is None else (x+1)) for x in args]  # cache defeats
     st = time.monotonic()
     ret = f1(*args)
     if CL is not None and ret.device in ["GPU"]:
@@ -52,22 +54,22 @@ def helper_test_speed(f1, *args):
       save_ops, save_mem = GlobalCounters.global_ops, GlobalCounters.global_mem
   return ret.cpu().numpy(), np.min(ets)
 
-def helper_test_generic_square(name, N, f1, f2):
+def helper_test_generic_square(name, N, f1, f2, onearg=False):
   torch.manual_seed(0)
   torch_a = (torch.rand(N, N) - 0.5).to(torch_device)
-  torch_b = (torch.rand(N, N) - 0.5).to(torch_device)
+  torch_b = (torch.rand(N, N) - 0.5).to(torch_device) if not onearg else None
 
   tiny_a = Tensor(torch_a.cpu().numpy())
-  tiny_b = Tensor(torch_b.cpu().numpy())
+  tiny_b = Tensor(torch_b.cpu().numpy()) if not onearg else None
 
-  helper_test_generic(f"{name:30s} {N:4d}x{N:4d}", partial(f1, torch_a, torch_b), partial(f2, tiny_a, tiny_b))
+  helper_test_generic(f"{name:30s} {N:4d}x{N:4d}", f1, (torch_a, torch_b), TinyJit(lambda a,b:f2(a,b).realize()), (tiny_a, tiny_b))
 
 prefix = None
-def helper_test_generic(name, f1, f2):
+def helper_test_generic(name, f1, f1_args, f2, f2_args):
   global prefix
   with torch.no_grad():
-    val_torch, et_torch = helper_test_speed(f1)
-  val_tinygrad, et_tinygrad = helper_test_speed(lambda: f2().realize())
+    val_torch, et_torch = helper_test_speed(f1, *f1_args)
+  val_tinygrad, et_tinygrad = helper_test_speed(f2, *f2_args)
 
   desc = "faster" if et_torch > et_tinygrad else "slower"
   flops = save_ops*1e-6
@@ -92,24 +94,24 @@ class TestSpeed(unittest.TestCase):
 
   def test_sum(self):
     def f(a, b): return a.sum()
-    helper_test_generic_square('sum', 4096, f, f)
+    helper_test_generic_square('sum', 4096, f, f, onearg=True)
 
   def test_partial_sum(self):
     R = 256
     def f(a, b): return a.reshape(int(4096//R), int(4096*R)).sum(axis=1)
-    helper_test_generic_square('partial_sum', 4096, f, f)
+    helper_test_generic_square('partial_sum', 4096, f, f, onearg=True)
 
   def test_array_packing(self):
     N = 2048
     def f(a, b): return a.reshape(N, N // 32, 32).permute(1,0,2).contiguous()
-    helper_test_generic_square('array_packing', N, f, f)
+    helper_test_generic_square('array_packing', N, f, f, onearg=True)
 
   def test_permute(self):
     for N in [1024, 4096]:
       # this is a 64MB tensor, M1 L1 cache is 128kB
       # to fit easily in L1, rotations should be 128x128 chunks. 128x128 is also the AMX size
       def f(a, b): return a.permute(1,0).contiguous()
-      helper_test_generic_square('permute', N, f, f)
+      helper_test_generic_square('permute', N, f, f, onearg=True)
     
   def test_double_permute(self):
     N = 64
@@ -117,23 +119,23 @@ class TestSpeed(unittest.TestCase):
     torch_a = (torch.rand(N, N, N, N) - 0.5).to(torch_device)
     tiny_a = Tensor(torch_a.cpu().numpy())
     def f(a): return a.permute(1,0,3,2).contiguous()
-    helper_test_generic(f"double_permute {tiny_a.shape}", partial(f, torch_a), partial(f, tiny_a))
+    helper_test_generic(f"double_permute {tiny_a.shape}", f, (torch_a,), TinyJit(lambda a: f(a).realize()), (tiny_a,))
 
   def test_neg(self):
     def f(a, b): return -a
-    helper_test_generic_square('neg', 4096, f, f)
+    helper_test_generic_square('neg', 4096, f, f, onearg=True)
 
   def test_exp(self):
     def f(a, b): return a.exp()
-    helper_test_generic_square('exp', 2048, f, f)
+    helper_test_generic_square('exp', 2048, f, f, onearg=True)
 
   def test_relu(self):
     def f(a, b): return a.relu()
-    helper_test_generic_square('relu', 4096, f, f)
+    helper_test_generic_square('relu', 4096, f, f, onearg=True)
 
   def test_max(self):
     def f(a, b): return a.max()
-    helper_test_generic_square('max', 4096, f, f)
+    helper_test_generic_square('max', 4096, f, f, onearg=True)
 
   def test_mul_sum(self):
     def f(a, b): return (a*b).sum()
@@ -146,11 +148,11 @@ class TestSpeed(unittest.TestCase):
 
   def test_add_constant(self):
     def f(a, b): return a+2.0
-    helper_test_generic_square('add_constant', 4096, f, f)
+    helper_test_generic_square('add_constant', 4096, f, f, onearg=True)
 
   def test_add_constant_zero(self):
     def f(a, b): return a+0.0
-    helper_test_generic_square('add_constant_zero', 4096, f, f)
+    helper_test_generic_square('add_constant_zero', 4096, f, f, onearg=True)
 
   def test_add_sq(self):
     def f(a, b): return a*a + b*b
@@ -194,9 +196,9 @@ class TestSpeed(unittest.TestCase):
     tiny_conv = Conv2d(in_chans, out_chans, 3, bias=None, padding=1)
     tiny_conv.weight = Tensor(torch_conv.weight.detach().cpu().numpy())
 
-    def f1(): return torch_conv(torch_dat.permute(0,3,1,2))
-    def f2(): return tiny_conv(tiny_dat.permute(0,3,1,2)).realize()
-    helper_test_generic(f"conv bs:{bs:3d} chans:{in_chans:3d} -> {out_chans:3d}", f1, f2)
+    def f1(torch_dat): return torch_conv(torch_dat.permute(0,3,1,2))
+    def f2(tiny_dat): return tiny_conv(tiny_dat.permute(0,3,1,2)).realize()
+    helper_test_generic(f"conv bs:{bs:3d} chans:{in_chans:3d} -> {out_chans:3d}", f1, (torch_dat,), TinyJit(f2), (tiny_dat,))
 
   def test_conv2d(self):
     torch.manual_seed(0)
@@ -211,9 +213,9 @@ class TestSpeed(unittest.TestCase):
           tiny_conv = Conv2d(in_chans, out_chans, 3, bias=None)
           tiny_conv.weight = Tensor(torch_conv.weight.detach().cpu().numpy())
 
-          def f1(): return torch_conv(torch_dat)
-          def f2(): return tiny_conv(tiny_dat).realize()
-          helper_test_generic(f"conv bs:{bs:3d} chans:{in_chans:3d} -> {out_chans:3d}", f1, f2)
+          def f1(torch_dat): return torch_conv(torch_dat)
+          def f2(tiny_dat): return tiny_conv(tiny_dat).realize()
+          helper_test_generic(f"conv bs:{bs:3d} chans:{in_chans:3d} -> {out_chans:3d}", f1, (torch_dat,), TinyJit(f2), (tiny_dat,))
 
 if __name__ == '__main__':
   unittest.main()