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(set! (*s7* 'heap-size) (* 5 1024000))
;(set! (*s7* 'gc-stats) 6)
(define (reader)
(let ((port (open-input-file "/home/bil/test/scheme/bench/src/bib"))
(counts (make-hash-table))
(start 0)
(end 0)
(new-pos 0))
(do ((line (read-line port) (read-line port)))
((eof-object? line))
(set! new-pos 0)
(do ((pos (char-position #\space line) (char-position #\space line (+ pos 1))))
((not pos))
(unless (= pos new-pos)
(set! start
(if (char-alphabetic? (string-ref line new-pos))
new-pos
(do ((k (+ new-pos 1) (+ k 1))) ; char-position here is slower!
((or (char-alphabetic? (string-ref line k))
(>= k pos))
k))))
(set! end
(if (char-alphabetic? (string-ref line (- pos 1)))
pos
(do ((k (- pos 2) (- k 1)))
((or (char-alphabetic? (string-ref line k))
(<= k start))
(+ k 1)))))
(when (> end start)
(let ((word (string->symbol (substring line start end))))
(hash-table-set! counts word (+ (or (hash-table-ref counts word) 0) 1)))))
(set! new-pos (+ pos 1))))
(close-input-port port)
(let ((res (sort! (copy counts (make-vector (hash-table-entries counts)))
(lambda (a b) (> (cdr a) (cdr b))))))
(set! counts #f)
res)))
(format *stderr* "reader ")
(let ((counts (reader)))
(if (not (and (eq? (car (counts 0)) 'the)
(= (cdr (counts 0)) 62063)))
(do ((i 0 (+ i 1)))
((= i 40))
(format *stderr* "~A: ~A~%" (car (counts i)) (cdr (counts i))))))
;;; ----------------------------------------
(let ()
(define (walk p counts)
(if (pair? p)
(begin
(walk (car p) counts)
(if (pair? (cdr p))
(walk (cdr p) counts)))
(hash-table-set! counts p (+ (or (hash-table-ref counts p) 0) 1))))
(define (s7test-reader)
(let ((port (open-input-file "/home/bil/cl/s7test.scm"))
(counts (make-hash-table)))
(do ((expr (read port) (read port)))
((eof-object? expr)
counts)
(walk expr counts))))
(define (sort-counts counts)
(let ((len (hash-table-entries counts)))
(do ((v (make-vector len))
(h (make-iterator counts))
(i 0 (+ i 1)))
((= i len)
(sort! v (lambda (e1 e2) (> (cdr e1) (cdr e2))))
v)
(vector-set! v i (iterate h)))))
(sort-counts (s7test-reader)))
;;; ----------------------------------------
(let ()
(define (hash-ints)
(let ((counts (make-hash-table)))
(do ((i 0 (+ i 1))
(z (random 100) (random 100)))
((= i 5000000) counts)
(hash-table-set! counts z (+ (or (hash-table-ref counts z) 0) 1)))))
(hash-ints))
;;; ----------------------------------------
(define symbols (make-vector 1))
(define strings (make-vector 1))
(define (test1 size)
(let ((int-hash (make-hash-table size))
(p (cons #f #f)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! int-hash i i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref int-hash i) i))
(display "oops")))
(for-each (lambda (key&value)
(if (not (= (car key&value) (cdr key&value)))
(display "oops"))) ;(format *stderr* "hash iter ~A~%" key&value)))
(make-iterator int-hash p))
(set! int-hash #f)))
(define (test2 size)
(let ((int-hash (make-hash-table size =)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! int-hash i i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref int-hash i) i))
(display "oops")))
(set! int-hash #f)))
(define (test3 size)
(let ((flt-hash (make-hash-table size)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! flt-hash (* i 2.0) i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref flt-hash (* 2.0 i)) i))
(display "oops")))
(set! flt-hash #f)))
(define (test4 size)
(let ((sym-hash (make-hash-table size)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! sym-hash (vector-set! symbols i (string->symbol (vector-set! strings i (number->string i)))) i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref sym-hash (vector-ref symbols i)) i))
(display "oops")))
(set! sym-hash #f)))
(define (test5 size)
(let ((str-hash (make-hash-table size eq?)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! str-hash (vector-ref strings i) i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref str-hash (vector-ref strings i)) i))
(display "oops")))
(set! str-hash #f)))
(define (test6 size)
(let ((sym-hash (make-hash-table size eq?)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! sym-hash (vector-ref symbols i) i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref sym-hash (vector-ref symbols i)) i))
(display "oops")))
(set! sym-hash #f)))
(define (test7 size)
(let ((chr-hash (make-hash-table 256 char=?)))
(do ((i 0 (+ i 1)))
((= i 256))
(hash-table-set! chr-hash (integer->char i) i))
(do ((i 0 (+ i 1)))
((= i 256))
(if (not (= (hash-table-ref chr-hash (integer->char i)) i))
(display "oops")))
(set! chr-hash #f)))
(define (test8 size)
(let ((any-hash (make-hash-table size eq?)))
(if (= size 1)
(hash-table-set! any-hash (vector-set! strings 0 (list 0)) 0)
(begin
(do ((i 0 (+ i 2)))
((= i size))
(hash-table-set! any-hash (vector-set! strings i (list i)) i))
(do ((j 1 (+ j 2)))
((>= j size))
(hash-table-set! any-hash (vector-set! strings j (int-vector j)) j))))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= i (hash-table-ref any-hash (vector-ref strings i))))
(display "oops")))
(set! any-hash #f)))
(define (test9 size)
(let ((any-hash1 (make-hash-table size eq?)))
(if (= size 1)
(hash-table-set! any-hash1 (vector-set! strings 0 (inlet 'a 0)) 0)
(begin
(do ((i 0 (+ i 2)))
((= i size))
(hash-table-set! any-hash1 (vector-set! strings i (inlet 'a i)) i))
(do ((j 1 (+ j 2))
(x 0.0 (+ x 2.0)))
((>= j size))
(hash-table-set! any-hash1 (vector-set! strings j (float-vector x)) j))))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= i (hash-table-ref any-hash1 (vector-ref strings i))))
(display "oops")))
(vector-fill! strings #f)
(set! any-hash1 #f)))
(define (test10 size)
(let ((cmp-hash (make-hash-table size =)))
(do ((i 0 (+ i 1)))
((= i size))
(hash-table-set! cmp-hash (complex i i) i))
(do ((i 0 (+ i 1)))
((= i size))
(if (not (= (hash-table-ref cmp-hash (complex i i)) i))
(display "oops")))
(set! cmp-hash #f)))
(define (test-hash size)
(format *stderr* "~D " size)
(set! symbols (make-vector size))
(set! strings (make-vector size))
(test1 size)
(test2 size)
(test3 size)
(test4 size)
(test5 size)
(test6 size)
(test7 size)
(test8 size)
(test9 size)
(test10 size))
(for-each test-hash (list 1 10 100 1000 10000 100000 1000000))
(newline)
(exit)
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