fix: metrics handle missing values

yarn-project/bench.mjs

@@ -0,0 +1,67 @@
+import { randomBytes } from 'crypto';
+
+const lmdb = await import('lmdb');
+const { AztecLmdbStore } = await import('@aztec/kv-store');
+const root = lmdb.open('/home/ubuntu/aztec-data/random');
+const store = new AztecLmdbStore(root);
+const rawDB = root.openDB('raw', {});
+const { createHistogram, performance } = await import('perf_hooks');
+
+const array = store.createArray('array');
+const map = store.createMap('map');
+const collection = store.createCollection('collection', {});
+
+const [arrayHistogram, mapHistogram, collectionHistogram, rawHistogram] = await Promise.all([
+  benchmark('array', 1000, x => array.push(x)),
+  benchmark('map', 1000, x => map.set(x, x)),
+  benchmark('collection', 1000, x => collection.insert(x)),
+  benchmark('raw', 1000, x => rawDB.put(x, x)),
+]);
+
+console.log('Benchmark: array');
+console.group();
+printHistogram(arrayHistogram);
+console.groupEnd();
+
+console.log('Benchmark: map');
+console.group();
+printHistogram(mapHistogram);
+console.groupEnd();
+
+console.log('Benchmark: collection');
+console.group();
+printHistogram(collectionHistogram);
+console.groupEnd();
+
+console.log('Benchmark: raw');
+console.group();
+printHistogram(rawHistogram);
+console.groupEnd();
+
+async function benchmark(name, runs, fn) {
+  const histogram = createHistogram();
+  const instrumented = performance.timerify(fn, { histogram });
+
+  for (let i = 0; i < runs; i++) {
+    const x = randomBytes(32);
+    await instrumented(x);
+  }
+
+  return histogram;
+}
+
+function nsToMs(ns) {
+  return ns / 1e6;
+}
+
+function printHistogram(histogram) {
+  console.log(`\
+${nsToMs(histogram.min)}ms min
+${nsToMs(histogram.max)}ms max
+${nsToMs(histogram.percentile(0.5))}ms median
+${nsToMs(histogram.percentile(0.75))}ms 75th percentile
+${nsToMs(histogram.percentile(0.9))}ms 90th percentile
+${nsToMs(histogram.percentile(0.99))}ms 99th percentile
+${nsToMs(histogram.percentile(0.9999))}ms 99.99th percentile\
+`);
+}

yarn-project/sandbox.sh

@@ -0,0 +1,22 @@
+export DEBUG=aztec:*
+export DATA_DIRECTORY="$HOME/aztec-data"
+
+export ROLLUP_CONTRACT_ADDRESS=0xcf7ed3acca5a467e9e704c703e8d87f634fb0fc9
+export REGISTRY_CONTRACT_ADDRESS=0x5fbdb2315678afecb367f032d93f642f64180aa3
+export INBOX_CONTRACT_ADDRESS=0xe7f1725e7734ce288f8367e1bb143e90bb3f0512
+export CONTRACT_DEPLOYMENT_EMITTER_ADDRESS=0x5fc8d32690cc91d4c39d9d3abcbd16989f875707
+
+export TEST_ACCOUNTS=false
+export DEPLOY_AZTEC_CONTRACTS=false
+
+export ME=0x06357cc85cb8fc561adbf741f63cd75efa26ffba1c80d431ec77d036d8edf022
+export PARTIAL_ADDRESS=0x23475465106cc4ee212154ddad52658014ff02442196c340960abfdee1b5424a
+export PRIVATE_KEY=0x2153536ff6628eee01cf4024889ff977a18d9fa61d0e414422f7681cf085c281
+export PUBLIC_KEY=0x27c20118733174347b8082f578a7d8fb84b3ad38be293715eee8119ee5cd8a6d0d6b7d8124b37359663e75bcd2756f544a93b821a06f8e33fba68cc8029794d9
+
+export CONTRACT=EasyPrivateTokenContractArtifact
+export CONTRACT_ADDRESS=0x2b3a0adc1037c457e3a5bb17d3fe2f22814c5771f593fc923941c5577bd13ddc
+export CONTRACT_PARTIAL_ADDRESS=0x0c0a534faca34253a694f325ac98f9234dbb6173347e7d09e112754653ef5bc6
+
+yarn workspace @aztec/aztec-sandbox start
+exit 0

yarn-project/sb.mjs

@@ -0,0 +1,24 @@
+const lmdb = await import('lmdb');
+const { AztecLmdbStore } = await import('@aztec/kv-store');
+const { KVPxeDatabase } = await import('./pxe/dest/database/kv_pxe_database.js');
+const { AztecAddress, BlockHeader, CompleteAddress } = await import('@aztec/circuits.js');
+const { Fr, Point } = await import('@aztec/foundation/fields');
+const root = lmdb.open('/home/ubuntu/aztec-data/pxe_data');
+const data = root.openDB('data', {});
+const noteIndexes = root.openDB('data_dup_sort', {});
+const store = new AztecLmdbStore(root);
+
+const addresses = store.createMap('addresses');
+const authWitnesses = store.createMap('authWitnesses');
+const capsules = store.createArray('capsules');
+const blockHeader = store.createSingleton('block_header');
+const contracts = store.createMap('contracts');
+const notes = store.createArray('notes');
+const nullifiedNotes = store.createMap('nullified_notes');
+
+const notesByContract = store.createMultiMap('notes_by_contract');
+const notesByStorageSlot = store.createMultiMap('notes_by_storage_slot');
+const notesByTxHash = store.createMultiMap('notes_by_tx_hash');
+const notesByOwner = store.createMultiMap('notes_by_owner');
+
+const pxeDB = new KVPxeDatabase(store);

yarn-project/scripts/src/benchmarks/markdown.ts

@@ -95,10 +95,13 @@ function getCell(
   row: string,
   col: string,
 ) {
-  const value = data[row][col];
+  const value: number | undefined = data[row][col];
   const formattedValue = formatValue(value);
-  const baseValue = base ? (base[row] ?? {})[col] : undefined;
-  const percentDiff = baseValue ? Math.round(((value - baseValue) / baseValue) * 100) : undefined;
+  const baseValue: number | undefined = base?.[row]?.[col];
+  const percentDiff =
+    typeof baseValue === 'number' && typeof value === 'number'
+      ? Math.round(((value - baseValue) / baseValue) * 100)
+      : undefined;
   if (!percentDiff || Math.abs(percentDiff) < 1) {
     return formattedValue;
   }
@@ -118,7 +121,11 @@ function withDesc(name: string) {
 }
 
 /** Formats a numeric value for display. */
-function formatValue(value: number) {
+function formatValue(value: number | undefined): string {
+  if (typeof value === 'undefined') {
+    return 'N/A';
+  }
+
   if (value < 100) {
     return value.toPrecision(3);
   }

yarn-project/test.mjs

@@ -0,0 +1,19 @@
+const lmdb = await import('lmdb');
+const root = lmdb.open({});
+const map = prefix => ({
+  set: (k, v) => root.put([prefix, k], v),
+  get: (k, v) => root.get([prefix, k], v),
+});
+
+const foo = map('foo');
+const bar = map('bar');
+
+foo.set('a', 'foo: a');
+foo.set('b', 'foo: b');
+foo.set('e', 'foo: e');
+foo.set('c', 'foo: c');
+
+bar.set('a', 'bar: a');
+bar.set('b', 'bar: b');
+bar.set('e', 'bar: e');
+bar.set('c', 'bar: c');