diff --git a/extra/gemm/asm/cdna/test.py b/extra/gemm/asm/cdna/test.py
index 80ad5d9123..1370f5879b 100644
--- a/extra/gemm/asm/cdna/test.py
+++ b/extra/gemm/asm/cdna/test.py
@@ -3,6 +3,7 @@
 import pathlib
 from tinygrad import Tensor, Device, dtypes, Context
 from tinygrad.uop.ops import UOp, Ops, KernelInfo
+from tinygrad.engine.realize import Estimates
 from tinygrad.helpers import getenv
 
 fp = pathlib.Path(__file__).parent/"gemm.s"
@@ -44,7 +45,7 @@ def custom_asm_gemm(C:UOp, A:UOp, B:UOp) -> UOp:
 
   sz = UOp.variable("SZ", 256, 8192)
 
-  sink = UOp.sink(C.base, A.base, B.base, sz, lidx, gidx, arg=KernelInfo(name="gemm"))
+  sink = UOp.sink(C.base, A.base, B.base, sz, lidx, gidx, arg=KernelInfo(name="gemm", estimates=Estimates(ops=N*N*N*2, mem=N*N*4*3)))
   return UOp(Ops.PROGRAM, src=(sink, UOp(Ops.DEVICE, arg=Device.DEFAULT), UOp(Ops.LINEAR, src=(*sink.src, sink)), UOp(Ops.SOURCE, arg=src)))
 
 C_asm = Tensor.custom_kernel(C_asm, from_torch(A), from_torch(Bt), fxn=custom_asm_gemm)[0]