arnaucube/go-circom-prover-verifier
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Add paralelization of polynomials in GenerateProof

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- before:
BenchmarkGenerateProof-4               1        1553842743 ns/op
For a circuit of 9094 constraints takes 7.761949512s seconds to generate the proof.

- now:
BenchmarkGenerateProof-4               1        1331576862 ns/op
For a circuit of 9094 constraints takes 5.745279126s to generate the proof.

For bigger circuits (more constraints) the difference will be bigger.

Executed on a Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz, with 16GB of RAM
This commit is contained in:
arnaucube
2020-04-24 10:50:28 +02:00
parent 569d16844d
commit 3691785054
3 changed files with 58 additions and 22 deletions
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9
prover/prover_test.go
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@@ -6,6 +6,7 @@ import (
"io/ioutil"
"math/big"
"testing"
"time"
"github.com/iden3/go-circom-prover-verifier/parsers"
"github.com/iden3/go-circom-prover-verifier/types"
@@ -27,8 +28,10 @@ func TestSmallCircuitGenerateProof(t *testing.T) {
assert.Equal(t, types.Witness{big.NewInt(1), big.NewInt(33), big.NewInt(3), big.NewInt(11)}, w)
beforeT := time.Now()
proof, pubSignals, err := GenerateProof(pk, w)
assert.Nil(t, err)
fmt.Println("proof generation time elapsed:", time.Since(beforeT))
proofStr, err := parsers.ProofToJson(proof)
assert.Nil(t, err)
@@ -64,8 +67,10 @@ func TestBigCircuitGenerateProof(t *testing.T) {
w, err := parsers.ParseWitness(witnessJson)
require.Nil(t, err)
beforeT := time.Now()
proof, pubSignals, err := GenerateProof(pk, w)
assert.Nil(t, err)
fmt.Println("proof generation time elapsed:", time.Since(beforeT))
proofStr, err := parsers.ProofToJson(proof)
assert.Nil(t, err)
@@ -99,7 +104,7 @@ func TestIdStateCircuitGenerateProof(t *testing.T) {
// trustedsetup files (generated in
// https://github.com/iden3/go-zksnark-full-flow-example)
if false {
fmt.Println("TestIdStateCircuitGenerateProof activated")
fmt.Println("\nTestIdStateCircuitGenerateProof activated")
provingKeyJson, err := ioutil.ReadFile("../testdata/idstate-circuit/proving_key.json")
require.Nil(t, err)
pk, err := parsers.ParsePk(provingKeyJson)
@@ -110,8 +115,10 @@ func TestIdStateCircuitGenerateProof(t *testing.T) {
w, err := parsers.ParseWitness(witnessJson)
require.Nil(t, err)
beforeT := time.Now()
proof, pubSignals, err := GenerateProof(pk, w)
assert.Nil(t, err)
fmt.Println("proof generation time elapsed:", time.Since(beforeT))
proofStr, err := parsers.ProofToJson(proof)
assert.Nil(t, err)