Details

Time bar (total: 18.1s)

sample161.0ms

Algorithm
intervals
Results
38.0ms121×body80valid
27.0ms313×body80nan
25.0ms135×body160valid
21.0ms569×pre80true

simplify133.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (16.0ms)

IterNodesCost
01417
12417
24416
37816
49116
59916
done9916

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.3b
(- (* b b) (* (* 4.0 a) c))
27.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
112.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
17.0ms
(- (* b b) (* (* 4.0 a) c))
40.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series518.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
196.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
86.0ms
(- (* b b) (* (* 4.0 a) c))
126.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.3s

Counts
82 → 82
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01541565
14011461
213411245
done50001233

prune267.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.3b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.2b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite312.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
82×add-sqr-sqrt *-un-lft-identity
38×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
11×distribute-rgt-neg-in sqrt-prod
10×add-log-exp
associate-/r*
cbrt-undiv div-exp
associate-/r/
flip3-- flip--
pow1 div-inv
diff-log associate-/l/
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 flip3-+ neg-log flip-+
Counts
4 → 151
Calls
4 calls:
159.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
43.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
14.0ms
(- (* b b) (* (* 4.0 a) c))
82.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series667.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
129.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
68.0ms
(- (* b b) (* (* 4.0 a) c))
284.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.6s

Counts
163 → 163
Iterations

Useful iterations: 2 (716.0ms)

IterNodesCost
02505048
16254510
227644166
done50014166

prune508.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
0.3b
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
0.3b
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
0.4b
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

rewrite345.0ms

Algorithm
rewrite-expression-head
Rules
113×pow1
62×pow-prod-down
60×add-sqr-sqrt
49×add-exp-log add-cbrt-cube
45×*-un-lft-identity
38×times-frac
31×prod-exp cbrt-unprod
25×add-cube-cbrt
15×difference-of-squares
14×pow-prod-up
11×associate-/r*
10×pow-plus sqrt-prod distribute-lft-out--
pow-sqr add-log-exp
associate-/l*
distribute-rgt-neg-in
associate-/r/ associate-/l/
flip3-- flip--
cbrt-undiv pow2 frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv
associate--l- neg-sub0 sub-neg div-sub associate-*r* associate-*l* neg-log *-commutative unswap-sqr
Counts
4 → 160
Calls
4 calls:
61.0ms
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
131.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
45.0ms
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
99.0ms
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

series721.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))))
368.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (- b) (sqrt (/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c))))))
148.0ms
(/ (- (pow b 4) (* (* c c) (* (* 4.0 a) (* 4.0 a)))) (+ (* b b) (* (* 4.0 a) c)))
51.0ms
(* (* c c) (* (* 4.0 a) (* 4.0 a)))

simplify1.9s

Counts
172 → 172
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02766038
16925672
232355089
done50015087

prune727.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
0.3b
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite261.0ms

Algorithm
rewrite-expression-head
Rules
692×times-frac
298×add-exp-log
249×add-sqr-sqrt *-un-lft-identity
200×div-exp
181×add-cube-cbrt
106×add-cbrt-cube
73×prod-exp
58×cbrt-undiv
49×div-inv
45×1-exp associate-/r/
34×distribute-lft-out-- difference-of-squares
25×associate-/r*
23×cbrt-unprod
18×rec-exp
17×flip3-- distribute-rgt-neg-in sqrt-prod flip--
14×associate-/l*
10×add-log-exp
pow1
diff-log
sub-neg frac-2neg clear-num
associate--l- neg-sub0 neg-log associate-/l/
Counts
4 → 421
Calls
4 calls:
29.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
13.0ms
(- (* b b) (* (* 4.0 a) c))
76.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
97.0ms
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series658.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
49.0ms
(- (* b b) (* (* 4.0 a) c))
211.0ms
(/ (/ 1 1) (/ (* 2.0 a) (/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
308.0ms
(/ (* (* 4.0 a) c) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.6s

Counts
433 → 433
Iterations

Useful iterations: 2 (1.3s)

IterNodesCost
068618157
1170415092
2417013714
done500013714

prune549.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0b

regimes251.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02641
13439
done3439

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.3s4481×body160valid
1.0s16809×pre80true
812.0ms8809×body80nan
406.0ms3519×body80valid