diff --git a/candle-core/src/metal_backend.rs b/candle-core/src/metal_backend.rs
index 6857341c..1813f276 100644
--- a/candle-core/src/metal_backend.rs
+++ b/candle-core/src/metal_backend.rs
@@ -790,6 +790,7 @@ impl BackendStorage for MetalStorage {
         let device = self.device().clone();
         let shape = layout.shape();
         let dims = shape.dims();
+        let strides = layout.stride();
 
         let stride = params.stride;
         let dilation = params.dilation;
@@ -811,7 +812,7 @@ impl BackendStorage for MetalStorage {
             &self.device.kernels,
             name,
             layout.shape().dims(),
-            layout.stride(),
+            strides,
             (k_size, stride, padding, dilation),
             &self.buffer,
             layout.start_offset() * self.dtype.size_in_bytes(),
diff --git a/candle-metal-kernels/src/lib.rs b/candle-metal-kernels/src/lib.rs
index 52cdce04..d126aa42 100644
--- a/candle-metal-kernels/src/lib.rs
+++ b/candle-metal-kernels/src/lib.rs
@@ -1301,7 +1301,7 @@ pub fn call_gemm(
     let fused_activation = false;
     let fused_bias = false;
     let (m_simd, n_simd, k_simd, m_splits, n_splits) = if m == 1 {
-        let m_simd = 16;
+        let m_simd = 8;
         let n_simd = 8;
         let k_simd = 64;
         let m_splits = 1;
@@ -1310,7 +1310,7 @@ pub fn call_gemm(
     } else {
         let m_simd = 40;
         let n_simd = 40;
-        let k_simd = 8;
+        let k_simd = 32;
         let m_splits = 1;
         let n_splits = 1;
         (m_simd, n_simd, k_simd, m_splits, n_splits)