I've got very different results with Go 1.16 and the latest stable version of gRPC, I ran things manually under WSL but it gives you another perspective: 90k r

I've got very different results with Go 1.16 and the latest stable version of gRPC, I ran things manually under WSL but it gives you another perspective: 90k req/sec with p99 under 1ms ghz --proto=/proto/helloworld/helloworld.proto --call=helloworld.Greeter.SayHello --insecure --concurrency="50" --connections="5" --duration "60s" --data-file 1kb.json 127.0.0.1:50051 --cpus=4 Summary: Count: 5411979 Total: 60.00 s Slowest: 15.24 ms Fastest: 0.03 ms Average: 0.34 ms Requests/sec: 90194.36 Response time histogram: 0.026 [1] | 1.548 [997969] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎ 3.070 [1426] | 4.592 [251] | 6.114 [108] | 7.636 [87] | 9.157 [80] | 10.679 [17] | 12.201 [40] | 13.723 [11] | 15.245 [10] | Latency distribution: 10 % in 0.12 ms 25 % in 0.19 ms 50 % in 0.29 ms 75 % in 0.42 ms 90 % in 0.58 ms 95 % in 0.72 ms 99 % in 1.04 ms Status code distribution: [OK] 5411959 responses [Canceled] 3 responses [Unavailable] 17 responses Error distribution: [3] rpc error: code = Canceled desc = grpc: the client connection is closing [17] rpc error: code = Unavailable desc = transport is closing