Update budget

Author: Raj Barik

src/cmd/compile/internal/inline/inl.go

@@ -44,8 +44,10 @@ import (
 
 // Inlining budget parameters, gathered in one place
 const (
-	inlineMaxBudget       = 80
-	inlineExtraAppendCost = 0
+	inlineMaxBudget = 80
+	// Budget increased due to hotness.
+	inlineHotCalleeMaxBudget = 100
+	inlineExtraAppendCost    = 0
 	// default is to inline if there's at most one call. -l=4 overrides this by using 1 instead.
 	inlineExtraCallCost  = 57              // 57 was benchmarked to provided most benefit with no bad surprises; see https://github.com/golang/go/issues/19348#issuecomment-439370742
 	inlineExtraPanicCost = 1               // do not penalize inlining panics.
@@ -844,7 +846,6 @@ func mkinlcall(n *ir.CallExpr, fn *ir.Func, maxCost int32, inlCalls *[]*ir.Inlin
 
 		// If the callsite is hot and it is under the inlineHotCalleeMaxBudget budget, then inline it, or else bail.
 		if _, ok := listOfHotCallSites[pgo.CallSiteInfo{ir.Line(n), ir.CurFunc}]; ok {
-
 			if fn.Inl.Cost > inlineHotCalleeMaxBudget {
 				return n
 			}