core/vm: allocate stack to 1024

Pre allocate the stack to 1024 optimising stack pushing, reducing calls to runtime.makeslice and runtime.mallocgc
2017-05-25 11:34:07 +02:00 · 2017-05-25 11:34:07 +02:00 · 846d091bd2
commit 846d091bd2
parent ef25b826e6
1 changed files with 1 additions and 1 deletions
--- a/core/vm/stack.go
+++ b/core/vm/stack.go
@ -29,7 +29,7 @@ type Stack struct {
 }

 func newstack() *Stack {
-	return &Stack{}
+	return &Stack{data: make([]*big.Int, 0, 1024)}
 }

 func (st *Stack) Data() []*big.Int {