Add some group parameter to convolutions. (#566)

* Add some group parameter to convolutions.

* Avoid some unnecessary groups checks.

* Move the tensor convolution bits.

* Properh handling of groups.

* Bump the crate version.

* And add a changelog.

1 files changed, 5 insertions, 1 deletions

diff --git a/candle-examples/examples/stable-diffusion/unet_2d_blocks.rs b/candle-examples/examples/stable-diffusion/unet_2d_blocks.rs
index b7adb2c0..65341e74 100644
--- a/candle-examples/examples/stable-diffusion/unet_2d_blocks.rs
+++ b/candle-examples/examples/stable-diffusion/unet_2d_blocks.rs
@@ -24,7 +24,11 @@ impl Downsample2D {
         padding: usize,
     ) -> Result<Self> {
         let conv = if use_conv {
-            let config = nn::Conv2dConfig { stride: 2, padding };
+            let config = nn::Conv2dConfig {
+                stride: 2,
+                padding,
+                ..Default::default()
+            };
             let conv = conv2d(in_channels, out_channels, 3, config, vs.pp("conv"))?;
             Some(conv)
         } else {