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tests: report mgas/s metric in evm benchmarks #25700

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Merged
holiman merged 5 commits into from
Sep 28, 2022
+29 −3
Merged

tests: report mgas/s metric in evm benchmarks #25700

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ba4cbf9
test(state): report mgas/s metric in EVM benchmark
shekhirin Sep 6, 2022
d60e3f3
revert testdata submodule update
shekhirin Sep 7, 2022
8cae0cc
aggregate mgas/s results
shekhirin Sep 8, 2022
cfdda8c
calculate elapsed time better
shekhirin Sep 8, 2022
30d843f
tests: benchmarks - handle access list + take refund into account
holiman Sep 28, 2022
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32 changes: 29 additions & 3 deletions tests/state_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import (
"reflect"
"strings"
"testing"
"time"

"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
Expand Down Expand Up @@ -192,12 +193,14 @@ func runBenchmark(b *testing.B, t *StateTest) {
b.Error(err)
return
}
var rules = config.Rules(new(big.Int), false)

vmconfig.ExtraEips = eips
block := t.genesis(config).ToBlock(nil)
_, statedb := MakePreState(rawdb.NewMemoryDatabase(), t.json.Pre, false)

var baseFee *big.Int
if config.IsLondon(new(big.Int)) {
if rules.IsLondon {
baseFee = t.json.Env.BaseFee
if baseFee == nil {
// Retesteth uses `0x10` for genesis baseFee. Therefore, it defaults to
Expand Down Expand Up @@ -238,17 +241,40 @@ func runBenchmark(b *testing.B, t *StateTest) {
sender := vm.NewContract(vm.AccountRef(msg.From()), vm.AccountRef(msg.From()),
nil, 0)

var (
gasUsed uint64
elapsed uint64
refund uint64
)
b.ResetTimer()
for n := 0; n < b.N; n++ {
// Execute the message.
snapshot := statedb.Snapshot()
_, _, err = evm.Call(sender, *msg.To(), msg.Data(), msg.Gas(), msg.Value())
if rules.IsBerlin {
statedb.PrepareAccessList(msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
}
b.StartTimer()
start := time.Now()
Comment on lines +255 to +256
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@holiman holiman Sep 8, 2022

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This is so annoying. The b has a duration field which we cannot reach, so have to do this whole parallel timekeeping work. Would be nice to somehow get around that, but I don't know how.


// Execute the message.
_, leftOverGas, err := evm.Call(sender, *msg.To(), msg.Data(), msg.Gas(), msg.Value())
if err != nil {
b.Error(err)
return
}

b.StopTimer()
elapsed += uint64(time.Since(start))
refund += statedb.GetRefund()
gasUsed += msg.Gas() - leftOverGas

statedb.RevertToSnapshot(snapshot)
}
if elapsed < 1 {
elapsed = 1
}
// Keep it as uint64, multiply 100 to get two digit float later
mgasps := (100 * 1000 * (gasUsed - refund)) / elapsed
b.ReportMetric(float64(mgasps)/100, "mgas/s")
})
}
}