diff options
Diffstat (limited to 'packages')
-rw-r--r-- | packages/taler-wallet-cli/src/index.ts | 77 |
1 files changed, 55 insertions, 22 deletions
diff --git a/packages/taler-wallet-cli/src/index.ts b/packages/taler-wallet-cli/src/index.ts index 339533dfc..cec682b0c 100644 --- a/packages/taler-wallet-cli/src/index.ts +++ b/packages/taler-wallet-cli/src/index.ts @@ -1089,65 +1089,98 @@ testCli }); }); +class PerfTimer { + tStarted: bigint | undefined; + tSum = BigInt(0); + tSumSq = BigInt(0); + + start() { + this.tStarted = process.hrtime.bigint(); + } + + stop() { + const now = process.hrtime.bigint(); + const s = this.tStarted; + if (s == null) { + throw Error(); + } + this.tSum = this.tSum + (now - s); + this.tSumSq = this.tSumSq + (now - s) * (now - s); + } + + mean(nRuns: number): number { + return Number(this.tSum / BigInt(nRuns)); + } + + stdev(nRuns: number) { + const m = this.tSum / BigInt(nRuns); + const x = (this.tSumSq / BigInt(nRuns)) - m * m; + return Math.floor(Math.sqrt(Number(x))); + } +} + testCli .subcommand("benchmarkAgeRestrictions", "benchmark-age-restrictions") + .requiredOption("reps", ["--reps"], clk.INT, { + default: 100, + help: "repetitions (default: 100)" + }) .action(async (args) => { - const numReps = 100; - let tCommit: bigint = BigInt(0); - let tAttest: bigint = BigInt(0); - let tVerify: bigint = BigInt(0); - let tDerive: bigint = BigInt(0); - let tCompare: bigint = BigInt(0); - let start: bigint; + const numReps = args.benchmarkAgeRestrictions.reps ?? 100; + let tCommit = new PerfTimer(); + let tAttest = new PerfTimer(); + let tVerify = new PerfTimer(); + let tDerive = new PerfTimer(); + let tCompare = new PerfTimer(); console.log("starting benchmark"); for (let i = 0; i < numReps; i++) { console.log(`doing iteration ${i}`); - start = process.hrtime.bigint(); + tCommit.start(); const commitProof = await AgeRestriction.restrictionCommit( 0b1000001010101010101001, 21, ); - tCommit = tCommit + process.hrtime.bigint() - start; + tCommit.stop(); - start = process.hrtime.bigint(); + tAttest.start(); const attest = AgeRestriction.commitmentAttest(commitProof, 18); - tAttest = tAttest + process.hrtime.bigint() - start; + tAttest.stop(); - start = process.hrtime.bigint(); + tVerify.start(); const attestRes = AgeRestriction.commitmentVerify( commitProof.commitment, attest, 18, ); - tVerify = tVerify + process.hrtime.bigint() - start; + tVerify.stop(); if (!attestRes) { throw Error(); } const salt = encodeCrock(getRandomBytes(32)); - start = process.hrtime.bigint(); + tDerive.start(); const deriv = await AgeRestriction.commitmentDerive(commitProof, salt); - tDerive = tDerive + process.hrtime.bigint() - start; + tDerive.stop(); - start = process.hrtime.bigint(); + tCompare.start(); const res2 = await AgeRestriction.commitCompare( deriv.commitment, commitProof.commitment, salt, ); - tCompare = tCompare + process.hrtime.bigint() - start; + tCompare.stop(); if (!res2) { throw Error(); } } - console.log(`edx25519-commit (ns): ${tCommit / BigInt(numReps)}`); - console.log(`edx25519-attest (ns): ${tAttest / BigInt(numReps)}`); - console.log(`edx25519-verify (ns): ${tVerify / BigInt(numReps)}`); - console.log(`edx25519-derive (ns): ${tDerive / BigInt(numReps)}`); - console.log(`edx25519-compare (ns): ${tCompare / BigInt(numReps)}`); + console.log(`edx25519-commit (ns): ${tCommit.mean(numReps)} (stdev ${tCommit.stdev(numReps)})`); + console.log(`edx25519-attest (ns): ${tAttest.mean(numReps)} (stdev ${tAttest.stdev(numReps)})`); + console.log(`edx25519-verify (ns): ${tVerify.mean(numReps)} (stdev ${tVerify.stdev(numReps)})`); + console.log(`edx25519-derive (ns): ${tDerive.mean(numReps)} (stdev ${tDerive.stdev(numReps)})`); + console.log(`edx25519-compare (ns): ${tCompare.mean(numReps)} (stdev ${tCompare.stdev(numReps)})`); }); testCli.subcommand("logtest", "logtest").action(async (args) => { |