diff --git a/driver/device_implicit_gemm_convolution_1_chwn_cyxk_khwn.hpp b/driver/device_implicit_gemm_convolution_1_chwn_cyxk_khwn.hpp
index 93e53d304c..cca1fa29c9 100644
--- a/driver/device_implicit_gemm_convolution_1_chwn_cyxk_khwn.hpp
+++ b/driver/device_implicit_gemm_convolution_1_chwn_cyxk_khwn.hpp
@@ -77,7 +77,7 @@ void device_implicit_gemm_convolution_1_chwn_cyxk_khwn(InDesc,
     wei_cyxk_device_buf.ToDevice(wei_cyxk.mData.data());
     out_khwn_device_buf.ToDevice(out_khwn.mData.data());
 
-#if 1
+#if 0
     // for 3x3, 34x34
     constexpr index_t NPerBlock  = 16;
     constexpr index_t KPerBlock  = 64;
@@ -230,7 +230,7 @@ void device_implicit_gemm_convolution_1_chwn_cyxk_khwn(InDesc,
     constexpr index_t OutThreadCopyDataPerWrite = 2;
 
     constexpr index_t BlockSize = 128;
-#elif 1
+#elif 0
     // for 3x3, 56x56, v1r2, Pascal
     // for 3x3, 34x34, v1r2, Pascal
     constexpr index_t NPerBlock  = 16;
@@ -263,6 +263,40 @@ void device_implicit_gemm_convolution_1_chwn_cyxk_khwn(InDesc,
     constexpr index_t WeiBlockCopyDataPerRead   = 4;
     constexpr index_t OutThreadCopyDataPerWrite = 4;
 
+    constexpr index_t BlockSize = 128;
+#elif 1
+    // for 3x3, 28x28, v1, Pacal
+    constexpr index_t NPerBlock  = 32;
+    constexpr index_t KPerBlock  = 64;
+    constexpr index_t CPerBlock  = 4;
+    constexpr index_t HoPerBlock = 2;
+    constexpr index_t WoPerBlock = 2;
+
+    constexpr index_t NPerThread  = 4;
+    constexpr index_t KPerThread  = 8;
+    constexpr index_t HoPerThread = 1;
+    constexpr index_t WoPerThread = 2;
+
+    constexpr index_t InBlockCopy_ThreadPerDimC = 1;
+    constexpr index_t InBlockCopy_ThreadPerDimH = 4;
+    constexpr index_t InBlockCopy_ThreadPerDimW = 4;
+    constexpr index_t InBlockCopy_ThreadPerDimN = 8;
+    constexpr index_t InBlockCopyDataPerRead    = 4;
+
+    constexpr index_t WeiBlockCopyDataPerRead = 4;
+
+    constexpr index_t GemmMPerThreadSubC = 4;
+    constexpr index_t GemmNPerThreadSubC = 4;
+    constexpr index_t GemmMLevel0Cluster = 4;
+    constexpr index_t GemmNLevel0Cluster = 2;
+    constexpr index_t GemmMLevel1Cluster = 2;
+    constexpr index_t GemmNLevel1Cluster = 4;
+    constexpr index_t GemmKPerThreadLoop = 1;
+    constexpr index_t GemmDataPerReadA   = 4;
+    constexpr index_t GemmDataPerReadB   = 4;
+
+    constexpr index_t OutThreadCopyDataPerWrite = 2;
+
     constexpr index_t BlockSize = 128;
 #elif 0
     // for 1x1, 28x28
diff --git a/driver/driver.hip.cpp b/driver/driver.hip.cpp
index f9c8a3ee21..d8a5ccf13e 100644
--- a/driver/driver.hip.cpp
+++ b/driver/driver.hip.cpp
@@ -511,6 +511,18 @@ int main(int argc, char* argv[])
 
     constexpr index_t HPad = 1;
     constexpr index_t WPad = 1;
+#elif 1
+    // 3x3 filter, 28x28 image
+    constexpr index_t N  = 128;
+    constexpr index_t C  = 256;
+    constexpr index_t HI = 28;
+    constexpr index_t WI = 28;
+    constexpr index_t K  = 512;
+    constexpr index_t Y  = 3;
+    constexpr index_t X  = 3;
+
+    constexpr index_t HPad = 0;
+    constexpr index_t WPad = 0;
 #elif 0
     // 1x1 filter, 28x28 image
     constexpr index_t N  = 16;
@@ -667,9 +679,9 @@ int main(int argc, char* argv[])
     device_direct_convolution_2_nchw_kcyx_nkhw
 #elif 0
     device_direct_convolution_2_vectorized_nchw_kcyx_nkhw
-#elif 0
-    device_implicit_gemm_convolution_1_chwn_cyxk_khwn
 #elif 1
+    device_implicit_gemm_convolution_1_chwn_cyxk_khwn
+#elif 0
     device_implicit_gemm_convolution_2_chwn_cyxk_khwn
 #endif
     (in_nchw_desc, in_nchw, wei_kcyx_desc, wei_kcyx, out_nkhw_desc, out_nkhw_device, nrepeat);