Fix fusion no default feat (#3408)

* Fix no default features autotune

* Add default/std

Author: laggui

crates/burn-cubecl-fusion/Cargo.toml

@@ -15,15 +15,15 @@ version.workspace = true
 workspace = true
 
 [features]
-default = ["autotune", "std", "cubecl/default"]
+default = ["autotune", "std", "cubecl/default", "burn-fusion/default"]
 autotune = []
 doc = ["default"]
-std = ["cubecl/std", "burn-tensor/std"]
+std = ["cubecl/std", "burn-tensor/std", "burn-fusion/std"]
 autotune-checks = ["cubecl/autotune-checks"]
 
 [dependencies]
 burn-common = { path = "../burn-common", version = "0.19.0" }
-burn-fusion = { path = "../burn-fusion", version = "0.19.0" }
+burn-fusion = { path = "../burn-fusion", version = "0.19.0", default-features = false }
 burn-ir = { path = "../burn-ir", version = "0.19.0", default-features = false }
 burn-tensor = { path = "../burn-tensor", version = "0.19.0", default-features = false, features = [
     "cubecl",

crates/burn-cubecl-fusion/src/matmul/optimization.rs

@@ -222,8 +222,8 @@ impl<R: Runtime> MatmulOptimization<R> {
         fused_matmul_autotune::<R, BT>(arg, context);
 
         #[cfg(not(feature = "autotune"))]
-        if self.execute_fused::<BT, Simple>(context).is_err() {
-            self.execute_fallback::<BT>(context);
+        if arg.execute_fused::<BT, Simple>(context).is_err() {
+            arg.execute_fallback::<BT>(context);
         }
     }
 

crates/burn-cubecl-fusion/src/reduce/optimization.rs

@@ -265,8 +265,8 @@ impl<R: Runtime> ReduceOptimization<R> {
         fused_reduce_autotune::<R, BT>(arg, context);
 
         #[cfg(not(feature = "autotune"))]
-        if self.execute_fused_reduce::<BT>(context).is_err() {
-            self.execute_fallback::<BT>(context);
+        if arg.execute_fused_reduce::<BT>(context).is_err() {
+            arg.execute_fallback::<BT>(context);
         }
     }
 

crates/burn-cubecl/Cargo.toml

@@ -27,7 +27,8 @@ default = [
     "std",
     "fusion",
     "cubecl/default",
-    "burn-cubecl-fusion/default",
+    "burn-fusion?/default",
+    "burn-cubecl-fusion?/default",
 ]
 doc = ["default"]
 export_tests = [
@@ -44,14 +45,14 @@ export_tests = [
 ]
 fusion = ["burn-fusion", "burn-cubecl-fusion"]
 fusion-experimental = ["fusion"]
-std = ["cubecl/std", "burn-tensor/std"]
+std = ["cubecl/std", "burn-tensor/std", "burn-fusion?/std", "burn-cubecl-fusion?/std"]
 
 template = []
 
 [dependencies]
 burn-common = { path = "../burn-common", version = "0.19.0" }
-burn-fusion = { path = "../burn-fusion", version = "0.19.0", optional = true }
-burn-cubecl-fusion = { path = "../burn-cubecl-fusion", version = "0.19.0", optional = true }
+burn-fusion = { path = "../burn-fusion", version = "0.19.0", default-features = false, optional = true }
+burn-cubecl-fusion = { path = "../burn-cubecl-fusion", version = "0.19.0", default-features = false, optional = true }
 burn-ir = { path = "../burn-ir", version = "0.19.0", default-features = false }
 burn-tensor = { path = "../burn-tensor", version = "0.19.0", default-features = false, features = [
     "cubecl",