Details

Time bar (total: 11.0s)

sample281.0ms

Algorithm
intervals
Results
7.0ms187×body80valid
7.0ms40×body2560valid
3.0ms23×body1280valid
3.0ms86×body80nan
2.0ms16×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify22.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
0.8b
(- (* b_2 b_2) (* a c))
1.3b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite74.0ms

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-exp-log add-cbrt-cube associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp clear-num div-inv
Counts
4 → 84
Calls
4 calls:
34.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
2.0ms
(- (* b_2 b_2) (* a c))
27.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series265.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
33.0ms
(- (* b_2 b_2) (* a c))
71.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
72.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.4s

Counts
96 → 96
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01541624
13621526
29501426
326851418
done50011416

prune255.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.4b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
0.8b
(- (* b_2 b_2) (* a c))
1.3b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×add-exp-log add-cube-cbrt associate-*r*
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
prod-exp difference-of-squares
unswap-sqr
frac-times sub-neg sqrt-div diff-log div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down un-div-inv *-commutative div-inv
Counts
4 → 85
Calls
4 calls:
60.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
2.0ms
(- (* b_2 b_2) (* a c))
18.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series257.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
36.0ms
(- (* b_2 b_2) (* a c))
68.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
97 → 97
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01741603
14231403
212011255
339111247
done50001246

prune215.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.4b

localize8.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
0.8b
(- (* b_2 b_2) (* a c))
1.3b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite62.0ms

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-exp-log add-cbrt-cube associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp clear-num div-inv
Counts
4 → 84
Calls
4 calls:
36.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
2.0ms
(- (* b_2 b_2) (* a c))
17.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series252.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
35.0ms
(- (* b_2 b_2) (* a c))
70.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.4s

Counts
96 → 96
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01541624
13621526
29501426
326851418
done50011416

prune203.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.4b

localize15.0ms

Local error

Found 4 expressions with local error:

21.1b
(sqrt (* (* (cbrt (- (* b_2 b_2) (* a c))) (cbrt (- (* b_2 b_2) (* a c)))) (cbrt (- (* b_2 b_2) (* a c)))))
21.9b
(cbrt (- (* b_2 b_2) (* a c)))
21.9b
(cbrt (- (* b_2 b_2) (* a c)))
21.9b
(cbrt (- (* b_2 b_2) (* a c)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-div
30×flip3-- flip--
28×frac-times
26×sqrt-div
24×pow1
15×sqrt-pow1
14×associate-*l/
12×pow1/3
cbrt-prod pow-prod-up
associate-*r/
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow-plus
pow-prod-down
add-exp-log add-cbrt-cube add-log-exp
pow-sqr
pow2
pow1/2 pow3 sqrt-prod
Counts
4 → 89
Calls
4 calls:
33.0ms
(sqrt (* (* (cbrt (- (* b_2 b_2) (* a c))) (cbrt (- (* b_2 b_2) (* a c)))) (cbrt (- (* b_2 b_2) (* a c)))))
2.0ms
(cbrt (- (* b_2 b_2) (* a c)))
2.0ms
(cbrt (- (* b_2 b_2) (* a c)))
2.0ms
(cbrt (- (* b_2 b_2) (* a c)))

series325.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(sqrt (* (* (cbrt (- (* b_2 b_2) (* a c))) (cbrt (- (* b_2 b_2) (* a c)))) (cbrt (- (* b_2 b_2) (* a c)))))
86.0ms
(cbrt (- (* b_2 b_2) (* a c)))
85.0ms
(cbrt (- (* b_2 b_2) (* a c)))
90.0ms
(cbrt (- (* b_2 b_2) (* a c)))

simplify2.3s

Counts
101 → 101
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
01823107
13272783
26522200
315272149
445402068
done50012068

prune254.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.4b

regimes163.0ms

Accuracy

83.6% (4.6b remaining)

Error of 10.1b against oracle of 5.4b and baseline of 33.7b

bsearch72.0ms

Steps
ItersRangePoint
8
1.3679096689958957e-81
5.608239720335765e-77
3.84613441880261e-81
7
-3.550313394724354e+57
-2.3888623512096697e+55
-3.124283374205192e+57

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02436
12836
done2836

end0.0ms

sample951.0ms

Algorithm
intervals
Results
195.0ms1075×body2560valid
185.0ms5844×body80valid
139.0ms911×body1280valid
89.0ms2888×body80nan
51.0ms451×body640valid
23.0ms102×body5120valid
20.0ms231×body320valid
7.0ms119×body160valid