speed up build

Cargo.toml

@@ -20,20 +20,20 @@ spirv-builder = { git = "https://github.com/Rust-GPU/rust-gpu.git" }
 spirv-std = { git = "https://github.com/Rust-GPU/rust-gpu.git" }
 
 
-# Enable incremental by default in release mode.
-[profile.release]
-incremental = true
-# HACK(eddyb) this is the default but without explicitly specifying it, Cargo
-# will treat the identical settings in `[profile.release.build-override]` below
-# as different sets of `rustc` flags and will not reuse artifacts between them.
-codegen-units = 256
-
-# Compile build-dependencies in release mode with the same settings
-# as regular dependencies (including the incremental enabled above).
-[profile.release.build-override]
-opt-level = 3
-incremental = true
-codegen-units = 256
+# # Enable incremental by default in release mode.
+# [profile.release]
+# incremental = true
+# # HACK(eddyb) this is the default but without explicitly specifying it, Cargo
+# # will treat the identical settings in `[profile.release.build-override]` below
+# # as different sets of `rustc` flags and will not reuse artifacts between them.
+# codegen-units = 256
+#
+# # Compile build-dependencies in release mode with the same settings
+# # as regular dependencies (including the incremental enabled above).
+# [profile.release.build-override]
+# opt-level = 3
+# incremental = true
+# codegen-units = 256
 
 # HACK(eddyb) reduce the number of linker exports and/or imports, by avoiding
 # inter-CGU linkage, to stay under the 64Ki MSVC limit for `rustc_codegen_spirv`
@@ -45,5 +45,5 @@ codegen-units = 256
 # (moved to `.github/workflows/ci.yaml` as `RUSTFLAGS: -Zshare-generics=off`).
 #
 # rustflags = ["-Zshare-generics=off"]
-codegen-units = 1
+# codegen-units = 1
 opt-level = 3