Details

Time bar (total: 9.7s)

sample41.0ms

Algorithm
intervals
Results
8.0ms201×body80valid
7.0ms35×body1280valid
6.0ms27×body2560valid
3.0ms87×body80nan
2.0ms12×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify90.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26317
311417
413017
513617
613917
done13917

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.8b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.3b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.0b
(- (* b b) (* 4.0 (* a c)))
20.5b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
37.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
3.0ms
(- (* b b) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series289.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
77.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
48.0ms
(- (* b b) (* 4.0 (* a c)))
67.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify952.0ms

Counts
89 → 89
Iterations

Useful iterations: done (950.0ms)

IterNodesCost
01571750
14051650
213281474
done50001459

prune260.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 5.4b

localize13.0ms

Local error

Found 4 expressions with local error:

1.9b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
2.7b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
10.3b
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
20.5b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
78×times-frac
58×*-un-lft-identity
36×add-cube-cbrt
27×associate-/l*
22×difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-lft-out--
cbrt-undiv div-exp associate-/r*
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 141
Calls
4 calls:
19.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
45.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
27.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series531.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
172.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
204.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify839.0ms

Counts
153 → 153
Iterations

Useful iterations: done (833.0ms)

IterNodesCost
02504579
16264057
223903753
done50003751

prune415.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 5.3b

localize16.0ms

Local error

Found 4 expressions with local error:

6.4b
(/ (/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) a)
6.7b
(/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
20.5b
(sqrt (- (* b b) (* 4.0 (* a c))))
20.5b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
64×add-sqr-sqrt
50×*-un-lft-identity
48×sqrt-prod
38×add-cube-cbrt
27×add-exp-log add-cbrt-cube
16×associate-/l*
14×sqrt-div
12×associate-/r* difference-of-squares
10×cbrt-undiv div-exp associate-/r/
flip3-- flip--
pow1 prod-exp cbrt-unprod div-inv distribute-lft-out--
add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
associate-/l/
Counts
4 → 149
Calls
4 calls:
41.0ms
(/ (/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) a)
29.0ms
(/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series1.4s

Counts
4 → 12
Calls
4 calls:
734.0ms
(/ (/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) a)
544.0ms
(/ (* 4.0 (* a c)) (sqrt (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.0s

Counts
161 → 161
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02774644
17104174
226463898
done50013894

prune497.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 5.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
0.3b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.0b
(- (* b b) (* 4.0 (* a c)))
20.5b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×add-sqr-sqrt
16×*-un-lft-identity
13×add-cbrt-cube
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r* associate-*l*
flip3-- sqrt-prod flip--
div-exp cbrt-unprod distribute-lft-out-- difference-of-squares
times-frac diff-log
cbrt-undiv frac-times sub-neg rec-exp distribute-rgt-neg-in sqrt-div 1-exp associate-*l/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 85
Calls
4 calls:
57.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
13.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
6.0ms
(- (* b b) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series294.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
77.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
49.0ms
(- (* b b) (* 4.0 (* a c)))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify842.0ms

Counts
97 → 97
Iterations

Useful iterations: done (840.0ms)

IterNodesCost
01832003
14681793
215701565
done50001564

prune224.0ms

Pruning

10 alts after pruning (6 fresh and 4 done)

Merged error: 5.3b

regimes291.0ms

Accuracy

81.8% (4.8b remaining)

Error of 10.5b against oracle of 5.8b and baseline of 31.9b

bsearch100.0ms

Steps
ItersRangePoint
8
2.1878188410446244e+107
3.8616146939177386e+111
3.6627135292415903e+111
8
-4.854151311909829e-126
-9.294658666337375e-130
-4.7828589349284326e-126

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02637
13137
done3137

end0.0ms

sample1.2s

Algorithm
intervals
Results
266.0ms1110×body2560valid
234.0ms5789×body80valid
171.0ms885×body1280valid
109.0ms2998×body80nan
69.0ms448×body640valid
31.0ms253×body320valid
29.0ms101×body5120valid
15.0ms126×body160valid