perf: Optimize TextEncoder and TextDecoder (#4430)

* add tests for "Deno.core.encode" and "Deno.core.decode" for empty inputs
* use "Deno.core.encode" in "TextEncoder"
* use "Deno.core.decode" in "TextDecoder"
* remove "core_decode" and "core_encode" benchmarks

1 files changed, 0 insertions, 37 deletions

diff --git a/cli/tests/core_decode_perf.js b/cli/tests/core_decode_perf.js
deleted file mode 100644
index fc00b8996..000000000
--- a/cli/tests/core_decode_perf.js
+++ /dev/null
@@ -1,37 +0,0 @@
-const mixed = new TextEncoder().encode("@Ā๐😀");
-
-function generateRandom(bytes) {
-  const result = new Uint8Array(bytes);
-  let i = 0;
-  while (i < bytes) {
-    const toAdd = Math.floor(Math.random() * Math.min(4, bytes - i));
-    switch (toAdd) {
-      case 0:
-        result[i] = mixed[0];
-        i++;
-        break;
-      case 1:
-        result[i] = mixed[1];
-        result[i + 1] = mixed[2];
-        i += 2;
-        break;
-      case 2:
-        result[i] = mixed[3];
-        result[i + 1] = mixed[4];
-        result[i + 2] = mixed[5];
-        i += 3;
-        break;
-      case 3:
-        result[i] = mixed[6];
-        result[i + 1] = mixed[7];
-        result[i + 2] = mixed[8];
-        result[i + 3] = mixed[9];
-        i += 4;
-        break;
-    }
-  }
-  return result;
-}
-
-const randomData = generateRandom(1024);
-for (let i = 0; i < 10_000; i++) Deno.core.decode(randomData);