Details

Time bar (total: 11.8s)

sample175.0ms

Algorithm
intervals
Results
61.0ms267×body80nan
43.0ms164×body160valid
28.0ms523×pre80true
12.0ms32×body320valid
8.0ms60×body80valid

simplify110.0ms

Counts
1 → 1
Iterations
IterNodes
done105
7105
6104
5102
494
377
244
125
014

prune18.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 43.2b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma b b (* (* a -4) c))
0.1b
(sqrt (fma b b (* (* a -4) c)))
0.2b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
40.0b
(- (sqrt (fma b b (* (* a -4) c))) b)

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
0.0ms
(fma b b (* (* a -4) c))
2.0ms
(sqrt (fma b b (* (* a -4) c)))
37.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
15.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)

series448.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(fma b b (* (* a -4) c))
92.0ms
(sqrt (fma b b (* (* a -4) c)))
156.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
146.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)

simplify994.0ms

Counts
126 → 126
Iterations
IterNodes
done2000
32000
21008
1423
0180

prune678.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 5.3b

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

prune47.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 2 expressions with local error:

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

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
expm1-log1p-u pow1 clear-num frac-2neg insert-posit16 log1p-expm1-u div-inv associate-/l* add-log-exp
associate-*r/ associate-/l/
Counts
2 → 53
Calls
2 calls:
10.0ms
(/ (* a c) b)
15.0ms
(/ (* -2 (/ (* a c) b)) a)

series74.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (* a c) b)
42.0ms
(/ (* -2 (/ (* a c) b)) a)

simplify1.1s

Counts
59 → 59
Iterations
IterNodes
done2014
32014
21285
1282
0103

prune370.0ms

Pruning

26 alts after pruning (25 fresh and 1 done)

Merged error: 5.2b

localize19.0ms

Local error

Found 1 expressions with local error:

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

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
prod-exp cbrt-unprod
cbrt-undiv div-exp
add-sqr-sqrt expm1-log1p-u pow1 clear-num associate-/r* frac-2neg *-un-lft-identity times-frac add-cube-cbrt insert-posit16 log1p-expm1-u div-inv associate-/l* add-log-exp
Counts
1 → 28
Calls
1 calls:
41.0ms
(/ (* -2 (* a c)) (* a b))

series39.0ms

Counts
1 → 3
Calls
1 calls:
39.0ms
(/ (* -2 (* a c)) (* a b))

simplify1.1s

Counts
31 → 31
Iterations
IterNodes
done2000
32000
21345
1222
070

prune110.0ms

Pruning

25 alts after pruning (23 fresh and 2 done)

Merged error: 5.2b

regimes500.0ms

Accuracy

0% (7.0b remaining)

Error of 12.0b against oracle of 5.0b and baseline of 12.0b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done8
18
07

end0.0ms

sample5.8s

Algorithm
intervals
Results
1.8s4798×body160valid
1.1s1403×body320valid
1.1s8337×body80nan
1.1s16337×pre80true
226.0ms1799×body80valid