Details

Time bar (total: 13.5s)

sample232.0ms

Algorithm
intervals
Results
67.0ms126×body320valid
26.0ms304×body80nan
24.0ms560×pre80true
16.0ms83×body160valid
8.0ms22×body640valid
2.0ms25×body80valid

simplify179.0ms

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

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.1b

localize58.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* c a) 4)))
0.0b
(- (* b b) (* (* c a) 4))
0.1b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
25.4b
(- (sqrt (- (* b b) (* (* c a) 4))) b)

rewrite219.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 88
Calls
4 calls:
9.0ms
(sqrt (- (* b b) (* (* c a) 4)))
15.0ms
(- (* b b) (* (* c a) 4))
123.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
69.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

series429.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(sqrt (- (* b b) (* (* c a) 4)))
76.0ms
(- (* b b) (* (* c a) 4))
121.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
122.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

simplify1.3s

Counts
100 → 100
Iterations
IterNodes
done2005
32005
21103
1400
0161

prune576.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.1b

localize8.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune42.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.1b

localize32.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* -2 (/ (* a c) b)) a)
0.3b
(/ (* a c) b)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
21×add-cbrt-cube add-exp-log
cbrt-undiv div-exp
add-sqr-sqrt associate-/r* *-un-lft-identity times-frac add-cube-cbrt
prod-exp cbrt-unprod
pow1 clear-num frac-2neg insert-posit16 div-inv associate-/l* add-log-exp
associate-*r/ associate-/l/
Counts
2 → 49
Calls
2 calls:
16.0ms
(/ (* -2 (/ (* a c) b)) a)
9.0ms
(/ (* a c) b)

series64.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ (* -2 (/ (* a c) b)) a)
35.0ms
(/ (* a c) b)

simplify1.2s

Counts
55 → 55
Iterations
IterNodes
done2083
32083
21429
1278
099

prune331.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 2.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* -2 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) a)
0.3b
(/ (* a c) b)
0.3b
(/ (* a c) b)
0.5b
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt sqrt-prod
25×add-cbrt-cube add-exp-log
22×*-un-lft-identity add-cube-cbrt
21×times-frac
19×pow1
12×swap-sqr
10×associate-*r* associate-*l*
associate-/r*
sqrt-pow1 pow1/2 sqrt-div
cbrt-undiv div-exp div-inv
prod-exp cbrt-unprod
associate-*r/ pow-prod-up
insert-posit16 add-log-exp unswap-sqr
clear-num frac-2neg pow-prod-down pow-sqr associate-/l* associate-/l/
frac-times associate-*l/
pow2 rem-square-sqrt pow-plus sqrt-unprod *-commutative
Counts
4 → 136
Calls
4 calls:
77.0ms
(/ (* -2 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) a)
18.0ms
(/ (* a c) b)
18.0ms
(/ (* a c) b)
50.0ms
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

series177.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ (* -2 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) a)
29.0ms
(/ (* a c) b)
31.0ms
(/ (* a c) b)
69.0ms
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

simplify1.1s

Counts
148 → 148
Iterations
IterNodes
done2062
32062
21508
1403
0167

prune620.0ms

Pruning

20 alts after pruning (18 fresh and 2 done)

Merged error: 2.0b

regimes479.0ms

Accuracy

0% (3.7b remaining)

Error of 6.3b against oracle of 2.6b and baseline of 6.3b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done8
18
07

end0.0ms

sample6.2s

Algorithm
intervals
Results
2.0s3577×body320valid
1.4s7945×body80nan
902.0ms2940×body160valid
855.0ms15945×pre80true
416.0ms534×body640valid
115.0ms949×body80valid