ikarus/benchmarks.larceny/optimize-gcc-options.scm

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(define bench "")
(define pop-size 25)
(define goal <)
(define (evaluate options)
(let ((p (open-process (list path: "./evaluate"
arguments: (list bench options)))))
(let ((x (read p)))
(close-port p)
(let ((t (cadr x)))
(display ";") (pp (list t options))
t))))
(define options '(
("" " -fno-merge-constants")
("" " -fno-defer-pop")
("" " -fno-thread-jumps")
("" " -fno-guess-branch-probability")
("" " -fno-cprop-registers")
("" " -fno-if-conversion")
("" " -fno-if-conversion2")
("" " -fno-delayed-branch")
("" " -fno-loop-optimize" " -floop-optimize2")
("" " -ftree-ccp")
("" " -ftree-dce")
("" " -ftree-dominator-opts")
("" " -ftree-dse")
("" " -ftree-ter")
("" " -ftree-lrs")
("" " -ftree-sra")
("" " -ftree-copyrename")
("" " -ftree-fre")
("" " -ftree-ch")
("" " -fmerge-constants")
("" " -fcrossjumping")
("" " -foptimize-sibling-calls")
("" " -fcse-follow-jumps")
("" " -fcse-skip-blocks")
("" " -fgcse")
("" " -fexpensive-optimizations")
("" " -fstrength-reduce")
("" " -frerun-cse-after-loop")
("" " -frerun-loop-opt")
("" " -fcaller-saves")
("" " -fforce-mem" " -fforce-addr")
("" " -fpeephole2")
("" " -fschedule-insns")
("" " -fschedule-insns2")
("" " -fregmove")
;;;(" -fno-strict-aliasing" " -fstrict-aliasing")
("" " -fdelete-null-pointer-checks")
("" " -freorder-blocks")
("" " -fthread-jumps")
("" " -fgcse-lm")
("" " -fsched-interblock")
("" " -fsched-spec")
("" " -freorder-blocks")
("" " -freorder-functions")
("" " -funit-at-a-time")
("" " -falign-functions")
("" " -falign-jumps")
("" " -falign-loops")
("" " -falign-labels")
("" " -ftree-pre")
("" " -finline-functions")
("" " -funswitch-loops")
("" " -fgcse-after-reload")
;;;("" " -fomit-frame-pointer" " -momit-leaf-frame-pointer")
("" " -ffloat-store")
("" " -fprefetch-loop-arrays")
("" " -fno-inline")
("" " -fpeel-loops")
("" " -ftracer")
("" " -funroll-loops" " -funroll-all-loops")
("" " -fbranch-target-load-optimize" " -fbranch-target-load-optimize2")
("" " -fmodulo-sched")
("" " -fno-function-cse")
("" " -fgcse-sm")
("" " -fgcse-las")
("" " -freschedule-modulo-scheduled-loops")
("" " -ftree-loop-im")
("" " -ftree-loop-ivcanon")
("" " -fivopts")
("" " -ftree-vectorize")
("" " -fvariable-expansion-in-unroller")
))
(define (sort-list l <?)
(define (mergesort l)
(define (merge l1 l2)
(cond ((null? l1) l2)
((null? l2) l1)
(else
(let ((e1 (car l1)) (e2 (car l2)))
(if (<? e1 e2)
(cons e1 (merge (cdr l1) l2))
(cons e2 (merge l1 (cdr l2))))))))
(define (split l)
(if (or (null? l) (null? (cdr l)))
l
(cons (car l) (split (cddr l)))))
(if (or (null? l) (null? (cdr l)))
l
(let* ((l1 (mergesort (split l)))
(l2 (mergesort (split (cdr l)))))
(merge l1 l2))))
(mergesort l))
(define (iota n)
(let loop ((i (- n 1)) (lst '()))
(if (>= i 0)
(loop (- i 1) (cons i lst))
lst)))
(define (random-options)
(map (lambda (x) (list-ref x (random-integer (length x))))
options))
(define (options->string options)
(apply string-append options))
(define (cross options1 options2)
(map (lambda (o1 o2 o)
(cond ((= 0 (random-integer 35))
(list-ref o (random-integer (length o))))
((= 0 (random-integer 2))
o1)
(else
o2)))
options1
options2
options))
(define (evaluated options)
(let* ((t (evaluate (options->string options)))
(x (cons t options)))
(if (< t (car best))
(set! best x))
x))
(define (value evaluated-options)
(car evaluated-options))
(define (opts evaluated-options)
(cdr evaluated-options))
(define (order evaluated-options)
(sort-list evaluated-options
(lambda (x y) (goal (value x) (value y)))))
(define (select)
(let* ((n (quotient (* pop-size 2) 3))
(x (apply + (map (lambda (x) (random-integer 2))
(iota (* 2 n)))))
(i (abs (- x n))))
i))
(define (new-generation pop)
(order
(map (lambda (x) (evaluated x))
(map (lambda (_)
(let ((x (select)))
(let loop ()
(let ((y (select)))
(if (= x y)
(loop)
(cross (opts (list-ref pop x))
(opts (list-ref pop y))))))))
pop))))
(define best '())
(define (optimize)
(set! best (list 99999999999))
(let ((initial-pop
(order
(map (lambda (i) (evaluated (random-options)))
(iota pop-size)))))
(let loop ((i 0) (pop initial-pop))
; (display ";")(write (list i (map value pop)))(newline)
(if (< i 10)
(loop (+ i 1)
(new-generation pop))
best))))
(for-each
(lambda (b)
(set! bench b)
(pretty-print (list b (optimize))))
'("lattice"
"ray"
"boyer"
"diviter"
"puzzle"
"takl"
"fft"
"conform"
"graphs"
"simplex"))