Details

Time bar (total: 14.6s)

sample280.0ms

Algorithm
intervals
Results
62.0ms118×body320valid
30.0ms254×body80nan
28.0ms510×pre80true
25.0ms98×body160valid
6.0ms11×body640valid
4.0ms29×body80valid

simplify558.0ms

Counts
1 → 1
Iterations
IterNodes
8105
7105
6104
5102
494
377
244
125
014

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 52.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma b b (* (* a -4) c))
0.0b
(sqrt (fma b b (* (* a -4) c)))
0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
28.4b
(- (sqrt (fma b b (* (* a -4) c))) b)

rewrite51.0ms

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)))
34.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
10.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)

series476.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(fma b b (* (* a -4) c))
131.0ms
(sqrt (fma b b (* (* a -4) c)))
153.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
136.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
32589
2949
1405
0180

prune1.4s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.3b

localize15.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune39.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.3b

localize28.0ms

Local error

Found 2 expressions with local error:

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

rewrite57.0ms

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:
19.0ms
(/ (* a c) b)
37.0ms
(/ (* -2 (/ (* a c) b)) a)

series54.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (* a c) b)
22.0ms
(/ (* -2 (/ (* a c) b)) a)

simplify2.9s

Counts
59 → 59
Iterations
IterNodes
36399
21058
1267
0103

prune503.0ms

Pruning

21 alts after pruning (21 fresh and 0 done)

Merged error: 3.2b

localize18.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune1.0ms

Pruning

21 alts after pruning (20 fresh and 1 done)

Merged error: 3.2b

regimes448.0ms

Accuracy

0% (3.5b remaining)

Error of 6.2b against oracle of 2.7b and baseline of 6.2b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
28
18
07

end0.0ms

sample6.5s

Algorithm
intervals
Results
2.3s3603×body320valid
1.1s8127×body80nan
1.1s16127×pre80true
870.0ms2990×body160valid
311.0ms492×body640valid
188.0ms915×body80valid