diff --git a/.gitignore b/.gitignore
index 8586c55..1d5040d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,7 @@ test/logs/*
 gds/**/*.gltf
 
 .DS_Store
-results.xml
\ No newline at end of file
+results.xml
+
+*.vcd
+*.gtkw
\ No newline at end of file
diff --git a/Makefile b/Makefile
index bc10f84..8923e86 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,8 @@ compile:
 compile_%:
 	sv2v -w build/$*.v src/$*.sv
 
-# TODO: Get gtkwave visualizaiton
+.SECONDEXPANSION:
 
-show_%: %.vcd %.gtkw
+# A .gtkw file is optional
+show_%: %.vcd $$(wildcard $$*.gtkw)
 	gtkwave $^
diff --git a/src/gpu.sv b/src/gpu.sv
index e3d8fcd..7d8099a 100644
--- a/src/gpu.sv
+++ b/src/gpu.sv
@@ -72,6 +72,11 @@ module gpu #(
     reg [NUM_FETCHERS-1:0] fetcher_read_ready;
     reg [PROGRAM_MEM_DATA_BITS-1:0] fetcher_read_data [NUM_FETCHERS-1:0];
     
+    initial begin
+        $dumpfile("gpu.vcd");
+        $dumpvars(0, gpu);
+    end
+
     // Device Control Register
     dcr dcr_instance (
         .clk(clk),
diff --git a/test/helpers/setup.py b/test/helpers/setup.py
index 5370eb2..58adf26 100644
--- a/test/helpers/setup.py
+++ b/test/helpers/setup.py
@@ -13,7 +13,7 @@ async def setup(
     threads: int
 ):
     # Setup Clock
-    clock = Clock(dut.clk, 25, units="us")
+    clock = Clock(dut.clk, 10, units="ns")
     cocotb.start_soon(clock.start())
 
     # Reset
diff --git a/test/test_matmul.py b/test/test_matmul.py
index 4cc14f7..392802b 100644
--- a/test/test_matmul.py
+++ b/test/test_matmul.py
@@ -6,7 +6,7 @@
 from .helpers.logger import logger
 
 @cocotb.test()
-async def test_matadd(dut):
+async def test_matmul(dut):
     # Program Memory
     program_memory = Memory(dut=dut, addr_bits=8, data_bits=16, channels=1, name="program")
     program = [