Use more CGUs in incremental compilation

saethlin · saethlin · commit 22da90c19fe2 · 2024-08-31T18:49:53.000-04:00
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
@@ -830,7 +830,7 @@ impl Session {
         // codegen units in order to reduce the "collateral damage" small
         // changes cause.
         if self.opts.incremental.is_some() {
-            return CodegenUnits::Default(256);
+            return CodegenUnits::Default(4096);
         }
 
         // Why is 16 codegen units the default all the time?

Original file line number	Diff line number	Diff line change
`@@ -830,7 +830,7 @@ impl Session {`
`830`	`830`	`// codegen units in order to reduce the "collateral damage" small`
`831`	`831`	`// changes cause.`
`832`	`832`	`if self.opts.incremental.is_some() {`
`833`		`- return CodegenUnits::Default(256);`
	`833`	`+ return CodegenUnits::Default(4096);`
`834`	`834`	`}`
`835`	`835`
`836`	`836`	`// Why is 16 codegen units the default all the time?`