TrueCloudLab/neoneo-go
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vm: leave single CHECKMULTISIG implementation

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Remove sequential implementation and benchmarks.
They will be still present in commit history.
This commit is contained in:
Evgenii Stratonikov 2020-02-05 17:14:18 +03:00
parent 02a5e036fc
commit 2a86149c82
2 changed files with 1 additions and 126 deletions
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93
pkg/vm/vm_test.go
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@ -2790,99 +2790,6 @@ func TestCHECKMULTISIGBad(t *testing.T) {
t.Run("3_2 duplicate sig", func(t *testing.T) { testCHECKMULTISIGBad(t, 3, nil, []int{0, 0}) })
}
func benchCHECKMULTISIG(b *testing.B, size int, is [][]int, check func(*VM, [][]byte, [][]byte) bool) {
prog := makeProgram(opcode.CHECKMULTISIG)
msg := []byte("NEO - An Open Network For Smart Economy")
h := hash.Sha256(msg).BytesBE()
pubs, sigs, keyMap, err := initCHECKMULTISIG(msg, size)
if err != nil {
b.Fatalf("error on initialize: %v", err)
}
sigsStack := make([][]StackItem, 0, len(is))
for i := range is {
sigsStack = append(sigsStack, subSlice(sigs, is[i]))
}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
for j := range sigsStack {
vm := load(prog)
vm.SetCheckedHash(h)
vm.SetPublicKeys(keyMap)
vm.checkMultisig = check
vm.estack.PushVal(sigsStack[j])
vm.estack.PushVal(pubs)
_ = vm.Run()
}
}
}
func BenchmarkCHECKMULTISIG(b *testing.B) {
fs := []struct {
name string
f func(*VM, [][]byte, [][]byte) bool
}{
{"seq", checkMultisigSeq},
{"par", checkMultisigPar},
}
b.Run("4_3 start", func(b *testing.B) {
for i := range fs {
b.Run(fs[i].name, func(b *testing.B) {
benchCHECKMULTISIG(b, 4, [][]int{{0, 1, 2}}, fs[i].f)
})
}
})
b.Run("4_3 all", func(b *testing.B) {
for i := range fs {
b.Run(fs[i].name, func(b *testing.B) {
benchCHECKMULTISIG(b, 4, combinations(4, 3), fs[i].f)
})
}
})
b.Run("7_5 start", func(b *testing.B) {
for i := range fs {
b.Run(fs[i].name, func(b *testing.B) {
benchCHECKMULTISIG(b, 7, [][]int{{0, 1, 2, 3, 4}}, fs[i].f)
})
}
})
b.Run("7_5 all", func(b *testing.B) {
for i := range fs {
b.Run(fs[i].name, func(b *testing.B) {
benchCHECKMULTISIG(b, 7, combinations(7, 5), fs[i].f)
})
}
})
}
func combinations(n, k int) [][]int {
if n < k {
return nil
} else if k == 0 {
return [][]int{{}}
} else if n == k {
res := make([]int, k)
for i := 0; i < k; i++ {
res[i] = i
}
return [][]int{res}
}
result := combinations(n-1, k)
for _, c := range combinations(n-1, k-1) {
result = append(result, append(c, n-1))
}
return result
}
func TestSWAPGood(t *testing.T) {
prog := makeProgram(opcode.SWAP)
vm := load(prog)