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[functional-tests/regex] stop thread-set from allocating

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We now allocate 0 bytes when matching.  But it makes practically no
difference to the execution time.
This commit is contained in:
Joe Thornber 2017-08-18 21:24:38 +01:00
parent ecd616a28c
commit c2bfcf7899
1 changed files with 18 additions and 20 deletions
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38
functional-tests/regex.scm
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@ -6,6 +6,7 @@
opt
star
plus
get-thread-count
compile-rx)
(import (chezscheme)
(fmt fmt)
@ -150,29 +151,36 @@
;; so a bundle is represented as a bitvector the same length as the
;; instructions. Threads are run in lock step, all taking the same input.
(define-record-type thread-set (fields (mutable stack) (mutable seen)))
(define-record-type thread-set (fields (mutable size) (mutable stack) (mutable seen)))
(define (mk-thread-set count)
(make-thread-set '() (make-vector count #f)))
(make-thread-set 0 (make-vector count) (make-vector count #f)))
(define (clear-thread-set! ts)
(thread-set-stack-set! ts '())
(thread-set-size-set! ts 0)
(vector-fill! (thread-set-seen ts) #f))
(define thread-count 0)
(define (get-thread-count)
thread-count)
(define (add-thread! ts i)
(unless (vector-ref (thread-set-seen ts) i)
;(fmt #t (dsp "adding thread ") (num i) nl)
(set! thread-count (+ 1 thread-count))
(vector-set! (thread-set-seen ts) i #t)
(thread-set-stack-set! ts (cons i (thread-set-stack ts)))))
(vector-set! (thread-set-stack ts) (thread-set-size ts) i)
(thread-set-size-set! ts (+ 1 (thread-set-size ts)))))
(define (pop-thread! ts)
(if (null? (thread-set-stack ts))
(if (zero? (thread-set-size ts))
#f
(let ((t (car (thread-set-stack ts))))
(thread-set-stack-set! ts (cdr (thread-set-stack ts)))
t)))
(begin
(thread-set-size-set! ts (- (thread-set-size ts) 1))
(vector-ref (thread-set-stack ts) (thread-set-size ts)))))
(define (no-threads? ts)
(null? (thread-set-stack ts)))
(zero? (thread-set-size ts)))
(define (any-matches? ts code)
(call/cc
@ -182,16 +190,6 @@
(k #t)))
#f)))
(define (mk-init-thread-set count)
(let ((ts (mk-thread-set count)))
(add-thread! ts 0)
ts))
(define-syntax string-iter
(syntax-rules ()
((_ (var str) body ...)
(string-for-each (lambda (var) body ...) str))))
(define-syntax swap
(syntax-rules ()
((_ x y)
@ -200,8 +198,8 @@
(set! y tmp)))))
(define (compile-rx rx)
; (fmt #t (dsp "running ") (pretty code) nl)
(let ((code (compile-rx% rx)))
;(fmt #t (dsp "running ") (pretty code) nl)
(let ((code-len (vector-length code)))
(let ((threads (mk-thread-set code-len))
(next-threads (mk-thread-set code-len)))