benchmark: add clear connections to secure-pair

adds clear connections to the secure-pair performance test to prove
that in some cases (when the sender send the data in small chunks)
clear connections perform worse than TLS connections
Also add a byte chunk size test to benchmark/net/net-pipe.js
Refs: #27970
PR-URL: #27971
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: DiegoTUI

benchmark/net/net-pipe.js

@@ -6,7 +6,7 @@ const net = require('net');
 constPORT=common.PORT;
 
 constbench=common.createBenchmark(main,{
-len: [64,102400,1024*1024*16],
+len: [2,64,102400,1024*1024*16],
 type: ['utf','asc','buf'],
 dur: [5],
 });

benchmark/tls/secure-pair.js

@@ -2,8 +2,8 @@
 constcommon=require('../common.js');
 constbench=common.createBenchmark(main,{
 dur: [5],
-securing: ['SecurePair','TLSSocket'],
-size: [2,1024,1024*1024]
+securing: ['SecurePair','TLSSocket','clear'],
+size: [2,100,1024,1024*1024]
 });
 
 constfixtures=require('../../test/common/fixtures');
@@ -37,7 +37,8 @@ function main({ dur, size, securing }) {
 isServer: false,
 rejectUnauthorized: false,
 };
-constconn=tls.connect(clientOptions,()=>{
+constnetwork=securing==='clear' ? net : tls;
+constconn=network.connect(clientOptions,()=>{
 setTimeout(()=>{
 constmbits=(received*8)/(1024*1024);
 bench.end(mbits);
@@ -69,6 +70,9 @@ function main({ dur, size, securing }) {
 case'TLSSocket':
 secureTLSSocket(conn,client);
 break;
+case'clear':
+conn.pipe(client);
+break;
 default:
 thrownewError('Invalid securing method');
 }