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test-patts required-tests test-registry
registry-mutex flags keyvals run-info all-tests-registry
can-run-more-tests
((can-run-more-tests-count 0) : fixnum)
(last-runners-check 0) ;; time when we last checked number of runners
(last-runners-count #f) ;;
(runner-registered #f) ;; have I registered myself?
(run-skip-count 0) ;; how many times have I skipped running sequentially
(run-skip-count 0) ;; how many times have I skipped running sequentially
(runners-mgmt-mode 'rest-mode)
)
(defstruct runs:testdat
hed tal reg reruns test-record
test-name item-path jobgroup
waitons testmode newtal itemmaps prereqs-not-met)
(define (runs:print-parallel-runners-state state num-registered last-registered skip-count)
(debug:print-info 0 *default-log-port* "runs:parallel-runners-mgmt, state=" state
", num-registered=" num-registered ", last-registered=" last-registered
", skip-count=" skip-count))
(define (runs:print-parallel-runners-state2 state num-registered last-runners-count skip-count)
(debug:print-info 0 *default-log-port* "runs:parallel-runners-mgmt, state=" state
", num-registered=" num-registered ", last-runners-count=" last-runners-count
", skip-count=" skip-count))
(define (runs:parallel-runners-mgmt rdat)
;; Second try
;;
(define (runs:parallel-runners-mgmt-2 rdat)
(let ((time-to-check 2.8) ;; 28
(time-to-wait 3.0))
(if (> (- (current-seconds) (runs:dat-last-runners-check rdat)) time-to-check) ;; time to check
(let* ((num-registered (or (rmt:get-var "num-runners") 0))
(last-runners-count (runs:dat-last-runners-count rdat))
(skip-count (runs:dat-run-skip-count rdat)))
(cond
;; first time in
((not last-runners-count)
(runs:print-parallel-runners-state2 "A" num-registered last-runners-count skip-count)
(if (eq? num-registered 0)
(rmt:set-var "num-runners" 1)
(rmt:set-var "num-runners" 1)
(rmt:inc-var "num-runners"))
(runs:dat-last-runners-count-set! rdat num-registered)
(runs:dat-run-skip-count-set! rdat 0))
;; too many waits, decrement num-runners and continue on
;; too many waits, decrement num-runners, reset last-runners and continue on
((> (runs:dat-run-skip-count rdat) 3)
(runs:print-parallel-runners-state2 "B" num-registered last-runners-count skip-count)
(rmt:dec-var "num-runners")
(runs:dat-run-skip-count-set! rdat 0))
(runs:dat-run-skip-count-set! rdat 0)
(runs:dat-last-runners-count-set! rdat num-registered))
;; too many running, take a break
((> num-registered last-runners-count)
((> num-registered last-runners-count) ;; (+ last-runners-count 1))
(runs:print-parallel-runners-state2 "C" num-registered last-runners-count skip-count)
(rmt:dec-var "num-runners")
(debug:print-info 0 *default-log-port*
"Too many running (" num-registered
"), last-count=" last-runners-count " waiting... ")
"), last-count=" last-runners-count " waiting " time-to-wait " seconds ... ")
(thread-sleep! time-to-wait)
(runs:dat-run-skip-count-set! rdat (+ (runs:dat-run-skip-count rdat) 1)))
(runs:dat-run-skip-count-set! rdat (+ (runs:dat-run-skip-count rdat) 1))
;; adjust down last-runners-count
(if (< num-registered last-runners-count)
(runs:dat-last-runners-set! rdat num-running))
(rmt:inc-var "num-runners")
)
;; we have been in waiting mode, do not increment again as we already did that
((> skip-count 0)
(runs:print-parallel-runners-state2 "D" num-registered last-runners-count skip-count)
(runs:dat-run-skip-count-set! rdat 0)
;; (runs:dat-last-runners-count-set! rdat num-registered)
)
;; skip count is zero, not too many running, this is transition into running
(else
(runs:print-parallel-runners-state2 "E" num-registered last-runners-count skip-count)
(rmt:inc-var "num-runners")
;; (rmt:inc-var "num-runners")
#;(runs:dat-run-skip-count-set! rdat 0)))))))
;; Third try, use a running average
;;
;; ADD A COUNT OF TIMES CYCLED THROUGH REST MODE
;;
;; runners-mgmt-mode
;;
(define (runs:parallel-runners-mgmt-3 rdat)
(let ((time-to-check 2.8) ;; 28
(time-to-wait 3.0))
(if (> (- (current-seconds) (runs:dat-last-runners-check rdat)) time-to-check) ;; time to check
(let* ((skip-count (runs:dat-run-skip-count rdat))
(mgmt-mode (runs:dat-runners-mgmt-mode rdat)) ;;
(num-registered (rmt:get-var "num-runners"))
(last-runners-count (if (runs:dat-last-runners-count rdat)
(runs:dat-last-runners-count rdat)
(or num-registered 1)))
(last-runners-ravg (/ (+ last-runners-count num-registered) 2)#;(if (> num-registered last-runners-count)
(/ (+ last-runners-count num-registered) 2)
(/ (+ (* num-registered 4) last-runners-count) 5) ;; slow on down
)) ;; running average
)
;; initialize and sanitize values if needed
(cond
((not num-registered) ;; first in, initialize to 1
(debug:print-info 0 *default-log-port* " adjusting num-runners up to 1, currently it is not defined")
(rmt:set-var "num-runners" 1))
((< num-registered 1) ;; this should not be, reset to 1 to make it less confusing
(debug:print-info 0 *default-log-port* " adjusting num-runners up to 1, currently it is " num-registered)
(rmt:set-var "num-runners" 1)))
(if (not (member mgmt-mode '(rest-mode work-mode)))
(begin
(debug:print-info 0 *default-log-port* " setting mgmt-mode to work-mode, currently it is " mgmt-mode)
(rmt:inc-var "num-runners")
(set! last-runners-ravg (+ last-runners-ravg 1))
(runs:dat-runners-mgmt-mode-set! rdat 'rest-mode)))
(runs:dat-last-runners-count-set! rdat last-runners-ravg)
;; to rest or not rest?
(if (and (< skip-count 5)
(> num-registered last-runners-count)) ;;(+ last-runners-ravg 0.5))) ;; there seem to be other runners out there
(begin ;; gonna rest
(debug:print-info 0 *default-log-port* "Too many running, num-registered=" num-registered ", ravg=" last-runners-ravg
", real num runners=" (rmt:get-var "num-runners") ", skip-count=" skip-count)
(if (eq? mgmt-mode 'work-mode)
(rmt:dec-var "num-runners"))
(runs:dat-runners-mgmt-mode-set! rdat 'rest-mode)
(runs:dat-run-skip-count-set! rdat (+ (runs:dat-run-skip-count rdat) 1))
(thread-sleep! time-to-wait)
(runs:parallel-runners-mgmt-3 rdat)
)
(begin
(runs:dat-run-skip-count-set! rdat 0)
(if (eq? mgmt-mode 'rest-mode)
(rmt:inc-var "num-runners")) ;; going into work mode if not already in work mode
(runs:dat-runners-mgmt-mode-set! rdat 'work-mode)
(debug:print-info 0 *default-log-port* "All good, keep running, num-registered="
num-registered ", ravg=" last-runners-ravg ", mode=" mgmt-mode
", skip-count=" skip-count))
)))))
;; To test parallel-runners management start a repl:
;; megatest -repl
;; then run:
;; (runs:test-parallel-runners 60)
;;
(define (runs:test-parallel-runners duration #!optional (proc #f))
(let* ((rdat (make-runs:dat))
(rtime 0)
(startt (current-seconds))
(endt (+ startt duration)))
((or proc runs:parallel-runners-mgmt-3) rdat)
(let loop ()
(let* ((wstart (current-seconds)))
(if (< wstart endt)
(let* ((work-time (random 10)))
#;(debug:print-info 0 *default-log-port* "working for " work-time
" seconds. Total work: " rtime ", elapsed time: " (- wstart startt))
(thread-sleep! work-time)
(set! rtime (+ rtime work-time))
((or proc runs:parallel-runners-mgmt-3) rdat)
(loop)))))
(let* ((done-time (current-seconds)))
(debug:print-info 0 *default-log-port* "DONE: rtime=" rtime ", elapsed time=" (- done-time startt)
", ratio=" (/ rtime (- done-time startt))))))
;; (define (runs:parallel-runners-mgmt rdat)
;; (let ((time-to-check 2.8) ;; 28
;; (time-to-wait 3.0))
;; (if (> (- (current-seconds) (runs:dat-last-runners-check rdat)) time-to-check) ;; time to check
;; (let* ((num-registered (or (rmt:get-var "num-runners") 0))
;; (last-registered (or (rmt:get-var "runner-change-time") 0))
|