Split out benchmarking programs to minimart-benchmark repo
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all: tmp.csv
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clean:
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rm -f tmp.csv
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rm -rf compiled
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tmp.csv:
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raco make internal-latency.rkt
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PLTSTDERR=warning racket internal-latency.rkt | tee $@
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#lang racket/base
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;; Measurement of message delivery latency.
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(require racket/match)
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(require "../../main.rkt")
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(struct ping (src dst timestamp) #:transparent)
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(define (send-ping src dst)
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(send (ping src dst (current-inexact-milliseconds))))
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(define (run #:echoer-count [echoer-count 100]
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#:run-time [run-time 10000])
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(define total-latency 0)
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(define total-roundtrips 0)
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(define boot-start-time (current-inexact-milliseconds))
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(define run-start-time #f)
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(define (rate-at count)
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(/ (* count 2) ;; two messages per roundtrip
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(/ total-latency 1000.0) ;; latency in seconds
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))
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(define (pinger src dst)
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(spawn (lambda (e s)
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(match e
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[(message 'kickoff _ _)
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(set! run-start-time (current-inexact-milliseconds))
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(transition s (send-ping src dst))]
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[(message (ping (== dst) (== src) start-time) _ _)
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(define stop-time (current-inexact-milliseconds))
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(define delta (- stop-time start-time))
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(set! total-latency (+ total-latency delta))
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(set! total-roundtrips (+ total-roundtrips 1))
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(when (zero? (modulo total-roundtrips 1000))
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(log-info "After ~a roundtrips, ~a milliseconds; ~a Hz"
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total-roundtrips
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total-latency
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(rate-at total-roundtrips)))
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(transition s
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(if (< (- stop-time run-start-time) run-time)
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(send-ping src dst)
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'()))]
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[_ #f]))
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#f
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(list (sub (ping dst src ?))
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(sub 'kickoff)
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(pub (ping src dst ?)))))
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(define (echoer id)
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(spawn (lambda (e s)
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(match e
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[(message (ping src (== id) stamp) _ _)
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(transition s (send (ping id src stamp)))]
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[_ #f]))
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#f
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(list (sub (ping ? id ?))
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(pub (ping id ? ?)))))
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(begin
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(run-ground (for/list [(id (in-range echoer-count))] (echoer id))
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(pinger echoer-count 0)
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(send 'kickoff))
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(values total-roundtrips (rate-at total-roundtrips) (- run-start-time boot-start-time))))
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(module+ main
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(define t 5000)
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(printf "Num echoers,Run duration (ms),Boot delay (ms),Num roundtrips,Msgs/sec,Sec/msg\n")
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(flush-output)
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;; Warmup
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(let ()
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(run #:echoer-count 1 #:run-time 1000)
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(run #:echoer-count 10 #:run-time 1000)
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(void))
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;; Real run
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(for ((n
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(list 1 10 20 30 40 50 60 70 80 90 100 120
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150 200 210 220 230 240 250 260 270 280 290 300 400
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500 600 700 800 900)
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))
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(collect-garbage)
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(collect-garbage)
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(collect-garbage)
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(define-values (count v boot-delay-ms) (run #:echoer-count n #:run-time t))
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(printf "~a,~a,~a,~a,~a,~a\n" n t boot-delay-ms count v (/ 1.0 v))
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(flush-output)))
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