Details

Time bar (total: 16.5s)

sample119.0ms

Algorithm
intervals
Results
36.0ms191×body80valid
23.0ms37×body2560valid
15.0ms30×body1280valid
10.0ms103×body80nan
6.0ms16×body640valid
2.0msbody320valid
1.0msbody160valid

simplify123.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
370
243
124
014

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
0.4b
(- (* b b) (* (* 4 a) c))
1.6b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
21.3b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite181.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
insert-posit16
distribute-rgt-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 74
Calls
4 calls:
101.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
16.0ms
(- (* b b) (* (* 4 a) c))
45.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
17.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series380.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
65.0ms
(- (* b b) (* (* 4 a) c))
102.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
87.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.4s

Counts
86 → 86
Iterations
IterNodes
done5000
21358
1406
0153

prune495.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.8b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
0.4b
(+ (* (* a c) -4) (* b b))
1.6b
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
21.3b
(sqrt (+ (* (* a c) -4) (* b b)))

rewrite295.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
flip3-+ flip-+ insert-posit16
sum-log distribute-rgt-neg-in sqrt-prod
neg-sub0 cbrt-undiv +-commutative sqrt-div div-exp associate-+l- associate-/l/
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 73
Calls
4 calls:
181.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
17.0ms
(+ (* (* a c) -4) (* b b))
68.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
25.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

series487.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
78.0ms
(+ (* (* a c) -4) (* b b))
104.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
139.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

simplify1.5s

Counts
85 → 85
Iterations
IterNodes
done5000
21267
1405
0147

prune430.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.8b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (/ 1/2 a))
0.4b
(+ (* (* a c) -4) (* b b))
1.6b
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
21.3b
(sqrt (+ (* (* a c) -4) (* b b)))

rewrite415.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
19×add-sqr-sqrt
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1
flip3-+ associate-*l* flip-+
insert-posit16 distribute-lft-out
sum-log sqrt-prod
frac-times +-commutative distribute-rgt-neg-in sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative associate-+l- div-inv
Counts
4 → 83
Calls
4 calls:
265.0ms
(* (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (/ 1/2 a))
32.0ms
(+ (* (* a c) -4) (* b b))
80.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
35.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

series398.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(* (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (/ 1/2 a))
62.0ms
(+ (* (* a c) -4) (* b b))
101.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
98.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

simplify1.8s

Counts
95 → 95
Iterations
IterNodes
done5000
21713
1467
0172

prune653.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.8b

localize57.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b b) (* (* a 4) c))
0.4b
(/ (sqrt 1/2) a)
1.6b
(- (sqrt (- (* b b) (* (* a 4) c))) b)
21.3b
(sqrt (- (* b b) (* (* a 4) c)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
18×times-frac
16×sqrt-prod
add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1
insert-posit16
associate-/r* flip3-- flip--
sub-neg sqrt-div diff-log difference-of-squares
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-exp div-inv distribute-lft-out--
Counts
4 → 85
Calls
4 calls:
17.0ms
(- (* b b) (* (* a 4) c))
13.0ms
(/ (sqrt 1/2) a)
59.0ms
(- (sqrt (- (* b b) (* (* a 4) c))) b)
14.0ms
(sqrt (- (* b b) (* (* a 4) c)))

series362.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(- (* b b) (* (* a 4) c))
57.0ms
(/ (sqrt 1/2) a)
106.0ms
(- (sqrt (- (* b b) (* (* a 4) c))) b)
119.0ms
(sqrt (- (* b b) (* (* a 4) c)))

simplify2.7s

Counts
97 → 97
Iterations
IterNodes
done5010
33647
2927
1326
0156

prune508.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 7.8b

regimes552.0ms

Accuracy

81.2% (5.2b remaining)

Error of 10.8b against oracle of 5.6b and baseline of 33.0b

bsearch286.0ms

Steps
ItersRangePoint
7
3.2723221096518622e-21
8.349665184990521e-19
3.325219738594455e-21
7
5.034617224646791e-70
8.084342686052032e-69
1.0350377446088803e-69
1
1.8923753200636452e-106
2.0232344302868159e-106
1.990519652731023e-106
8
-5.8501169415505e+41
-1.816545290760657e+37
-2.9862044966069494e+41

simplify8.0ms

Iterations
IterNodes
done45
145
037

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.3s5918×body80valid
515.0ms1071×body2560valid
433.0ms834×body1280valid
238.0ms3077×body80nan
194.0ms463×body640valid
63.0ms123×body5120valid
52.0ms241×body320valid
17.0ms122×body160valid