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core/vm: allocate stack to 1024

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Pre allocate the stack to 1024 optimising stack pushing, reducing calls
to runtime.makeslice and runtime.mallocgc
This commit is contained in:
Jeffrey Wilcke 2017-05-25 11:34:07 +02:00
parent ef25b826e6
commit 846d091bd2
1 changed files with 1 additions and 1 deletions
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core/vm/stack.go
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@ -29,7 +29,7 @@ type Stack struct {
} }
func newstack() *Stack { func newstack() *Stack {
return &Stack{} return &Stack{data: make([]*big.Int, 0, 1024)}
} }
func (st *Stack) Data() []*big.Int { func (st *Stack) Data() []*big.Int {