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89a32451ae
* core/vm/runtim: benchmark create/create2 * core/vm: do less hashing in CREATE2 * core/vm: avoid storing jumpdest analysis for initcode * core/vm: avoid unneccesary lookups, remove unused fields * core/vm: go formatting tests * core/vm: save jumpdest analysis locally * core/vm: use common.Hash instead of nil, fix review comments * core/vm: removed type destinations * core/vm: correct check for empty hash * eth: more elegant api_tracer * core/vm: address review concerns
76 lines
3.0 KiB
Go
76 lines
3.0 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"testing"
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"github.com/ethereum/go-ethereum/crypto"
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)
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func TestJumpDestAnalysis(t *testing.T) {
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tests := []struct {
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code []byte
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exp byte
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which int
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}{
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{[]byte{byte(PUSH1), 0x01, 0x01, 0x01}, 0x40, 0},
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{[]byte{byte(PUSH1), byte(PUSH1), byte(PUSH1), byte(PUSH1)}, 0x50, 0},
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{[]byte{byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), 0x01, 0x01, 0x01}, 0x7F, 0},
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{[]byte{byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x80, 1},
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{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), byte(PUSH2), byte(PUSH2), 0x01, 0x01, 0x01}, 0x03, 0},
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{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), 0x01, 0x01, 0x01, 0x01, 0x01}, 0x00, 1},
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{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x74, 0},
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{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x00, 1},
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{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x3F, 0},
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{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0xC0, 1},
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{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x7F, 0},
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{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0xFF, 1},
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{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x80, 2},
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{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0x7f, 0},
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{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0xA0, 1},
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{[]byte{byte(PUSH32)}, 0x7F, 0},
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{[]byte{byte(PUSH32)}, 0xFF, 1},
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{[]byte{byte(PUSH32)}, 0xFF, 2},
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}
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for _, test := range tests {
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ret := codeBitmap(test.code)
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if ret[test.which] != test.exp {
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t.Fatalf("expected %x, got %02x", test.exp, ret[test.which])
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}
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}
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}
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func BenchmarkJumpdestAnalysis_1200k(bench *testing.B) {
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// 1.4 ms
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code := make([]byte, 1200000)
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bench.ResetTimer()
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for i := 0; i < bench.N; i++ {
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codeBitmap(code)
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}
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bench.StopTimer()
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}
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func BenchmarkJumpdestHashing_1200k(bench *testing.B) {
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// 4 ms
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code := make([]byte, 1200000)
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bench.ResetTimer()
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for i := 0; i < bench.N; i++ {
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crypto.Keccak256Hash(code)
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}
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bench.StopTimer()
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}
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