initial move to base repo

2023-06-27 13:35:59 +02:00
parent ac0207bf2e
commit ebfff5efee
60 changed files with 4245 additions and 0 deletions
@@ -0,0 +1,80 @@
+import { ThroughputRuntimeCase, perfContext } from 'xterm-benchmark';
+import { Base64Decoder } from './base64.wasm';
+
+// eslint-disable-next-line
+declare const Buffer: any;
+
+function toBytes(s: string): Uint8Array {
+  const bytes = new Uint8Array(s.length);
+  for (let i = 0; i < s.length; ++i) {
+    bytes[i] = s.charCodeAt(i) & 0xFF;
+  }
+  return bytes;
+}
+
+const d256 = 'ABCD'.repeat(64);
+const d4096 = 'ABCD'.repeat(64 * 16);
+const d65536 = 'ABCD'.repeat(64 * 16 * 16);
+const d1M = 'ABCD'.repeat(64 * 16 * 16 * 16);
+const b256   = toBytes(d256);
+const b4096  = toBytes(d4096);
+const b65536 = toBytes(d65536);
+const b1M    = toBytes(d1M);
+const dec = new Base64Decoder(4000000);
+
+
+const RUNS = 100;
+
+perfContext('Base64', () => {
+  perfContext('Node - Buffer', () => {
+    new ThroughputRuntimeCase('decode - 256', () => {
+      Buffer.from(d256, 'base64');
+      return { payloadSize: d256.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 4096', () => {
+      Buffer.from(d4096, 'base64');
+      return { payloadSize: d4096.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 65536', () => {
+      Buffer.from(d65536, 'base64');
+      return { payloadSize: d65536.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 1048576', () => {
+      Buffer.from(d1M, 'base64');
+      return { payloadSize: d1M.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+  });
+
+  perfContext('Base64Decoder', () => {
+    new ThroughputRuntimeCase('decode - 256', () => {
+      dec.init(192);
+      dec.put(b256, 0, b256.length);
+      dec.end();
+      return { payloadSize: b256.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 4096', () => {
+      dec.init(3072);
+      dec.put(b4096, 0, b4096.length);
+      dec.end();
+      return { payloadSize: b4096.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 65536', () => {
+      dec.init(49152);
+      dec.put(b65536, 0, b65536.length);
+      dec.end();
+      return { payloadSize: b65536.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+
+    new ThroughputRuntimeCase('decode - 1048576', () => {
+      dec.init(786432);
+      dec.put(b1M, 0, b1M.length);
+      dec.end();
+      return { payloadSize: b1M.length };
+    }, { repeat: RUNS }).showAverageThroughput();
+  });
+});