### perf stat N=40 ring=4096
Reamer Concurrent-Strategy Benchmark (reamer_server_run(), no Go/Python/FIX in path)
Instrument: AAPL (accept path), orders/strategy: 5000

Strategies   Matched    Aggregate/s    P50(us)    P90(us)    P99(us)    Max(us)    OK      
{"timestamp":"2026-10-25T10:48:26.995291Z","level":"info","code":"event_bus.live","message":"event bus live: /reamer_concurrent_bench_49003_40"}
{"timestamp":"2026-10-25T10:48:27.904472Z","level":"info","code":"process.shutdown_complete","message":"shutdown drain complete: open_order_count=0 broker_connected=true"}
40           200000     246680         154.50     161.59     172.34     14619.04   yes     

Done.

 Performance counter stats for '<workdir>/reamer-server-knobs/build/cmd/concurrent-strategy-benchmark/concurrent_strategy_benchmark 5000 AAPL 40':

      163359834056      cycles                                                                
      234781847844      instructions                                                          
          72662032      cache-misses                                                          
          28775455      dTLB-loads                                                            
           4445379      dTLB-load-misses                                                      

       0.979287504 seconds time elapsed

      32.075701000 seconds user
       0.942138000 seconds sys


### perf stat N=40 ring=65536
Reamer Concurrent-Strategy Benchmark (reamer_server_run(), no Go/Python/FIX in path)
Instrument: AAPL (accept path), orders/strategy: 5000

Strategies   Matched    Aggregate/s    P50(us)    P90(us)    P99(us)    Max(us)    OK      
{"timestamp":"2026-10-25T10:48:28.029601Z","level":"info","code":"event_bus.live","message":"event bus live: /reamer_concurrent_bench_49048_40"}
{"timestamp":"2026-10-25T10:48:29.059812Z","level":"info","code":"process.shutdown_complete","message":"shutdown drain complete: open_order_count=0 broker_connected=true"}
40           200000     203942         148.00     158.41     188.64     170640.65  yes     

Done.

 Performance counter stats for '<workdir>/reamer-server-knobs/build/cmd/concurrent-strategy-benchmark/concurrent_strategy_benchmark 5000 AAPL 40':

      173471575591      cycles                                                                
      242547033471      instructions                                                          
          99071543      cache-misses                                                          
          41759256      dTLB-loads                                                            
          12991821      dTLB-load-misses                                                      

       1.167479996 seconds time elapsed

      31.126429000 seconds user
       3.829914000 seconds sys


### perf stat N=40 ring=1048576
Reamer Concurrent-Strategy Benchmark (reamer_server_run(), no Go/Python/FIX in path)
Instrument: AAPL (accept path), orders/strategy: 5000

Strategies   Matched    Aggregate/s    P50(us)    P90(us)    P99(us)    Max(us)    OK      
{"timestamp":"2026-10-25T10:48:29.943540Z","level":"info","code":"event_bus.live","message":"event bus live: /reamer_concurrent_bench_49091_40"}
{"timestamp":"2026-10-25T10:48:31.364770Z","level":"info","code":"process.shutdown_complete","message":"shutdown drain complete: open_order_count=0 broker_connected=true"}
40           200000     142007         147.13     171.24     198.54     351530.06  yes     

Done.

 Performance counter stats for '<workdir>/reamer-server-knobs/build/cmd/concurrent-strategy-benchmark/concurrent_strategy_benchmark 5000 AAPL 40':

      205623408726      cycles                                                                
      264674301797      instructions                                                          
         183818962      cache-misses                                                          
          83113080      dTLB-loads                                                            
          22260258      dTLB-load-misses                                                      

       2.556372400 seconds time elapsed

      28.488725000 seconds user
      12.914702000 seconds sys


