Details

Time bar (total: 16.0s)

sample65.0ms

Algorithm
intervals
Results
22.0ms191×body80valid
12.0ms37×body2560valid
8.0ms30×body1280valid
6.0ms103×body80nan
3.0ms16×body640valid
1.0msbody320valid
1.0msbody160valid

simplify79.0ms

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

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize22.0ms

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)))

rewrite150.0ms

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:
100.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
8.0ms
(- (* b b) (* (* 4 a) c))
31.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
64.0ms
(- (* b b) (* (* 4 a) c))
147.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
106.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.8s

Counts
86 → 86
Iterations
IterNodes
done5000
21358
1406
0153

prune528.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.8b

localize26.0ms

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)))

rewrite325.0ms

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:
223.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
27.0ms
(+ (* (* a c) -4) (* b b))
47.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
24.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

series511.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
105.0ms
(+ (* (* a c) -4) (* b b))
149.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
110.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

simplify1.4s

Counts
85 → 85
Iterations
IterNodes
done5000
21267
1405
0147

prune457.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.8b

localize33.0ms

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)))

rewrite374.0ms

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:
225.0ms
(* (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (/ 1/2 a))
26.0ms
(+ (* (* a c) -4) (* b b))
69.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
53.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

series497.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(* (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (/ 1/2 a))
80.0ms
(+ (* (* a c) -4) (* b b))
121.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
129.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

simplify1.5s

Counts
95 → 95
Iterations
IterNodes
done5000
21713
1467
0172

prune474.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.8b

localize36.0ms

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)))

rewrite95.0ms

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:
12.0ms
(- (* b b) (* (* a 4) c))
14.0ms
(/ (sqrt 1/2) a)
53.0ms
(- (sqrt (- (* b b) (* (* a 4) c))) b)
14.0ms
(sqrt (- (* b b) (* (* a 4) c)))

series330.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (* b b) (* (* a 4) c))
71.0ms
(/ (sqrt 1/2) a)
110.0ms
(- (sqrt (- (* b b) (* (* a 4) c))) b)
89.0ms
(sqrt (- (* b b) (* (* a 4) c)))

simplify2.4s

Counts
97 → 97
Iterations
IterNodes
done5010
33647
2927
1326
0156

prune536.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 7.8b

regimes462.0ms

Accuracy

81.2% (5.2b remaining)

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

bsearch257.0ms

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
036

end0.0ms

sample3.1s

Algorithm
intervals
Results
724.0ms3077×body80nan
691.0ms1071×body2560valid
616.0ms5918×body80valid
521.0ms834×body1280valid
138.0ms463×body640valid
71.0ms123×body5120valid
55.0ms241×body320valid
23.0ms122×body160valid