stevelauc/bench_capn

A toy Cap'n Proto QPS benchmark tool.

NOTE

1. This tool will run a ping-pong test, the message is just a string, i.e., no special serialization/deserialization cost.

2. Server and client, they are all single-threaded.

3. If you run this benchmark on Linux, then server thread will be bound to core 0, and client will use core 1.

Run the benchmark

1. Build the release binaries

   $ cargo b -r

2. Start the server

   ./target/release/server 127.0.0.1:11451
   INFO: Listening on 127.0.0.1:9100
   INFO: Bound to core 0

3. Start the client

   $ ./target/release/client 127.0.0.1:9100 1 2
   INFO: Benchmark against: 127.0.0.1:9100
   INFO: The # of connections: 1
   INFO: Duration: 2s
   INFO: Bound to core 1
   QPS: 19927

Results on my machine

$ uname -a
Linux fedora 6.2.9-300.fc38.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Mar 30 22:32:58 UTC 2023 x86_64 GNU/Linux

# of connections	QPS
1	24958
2	45197
3	43875
4	47533
5	48359
6	50201
7	50005
8	51000
9	51746
10	51256
20	52780
30	52485
40	52347
50	52598
60	51354
70	52748