Details

Time bar (total: 23.8s)

sample139.0ms

Algorithm
intervals
Results
38.0ms278×body80nan
33.0ms156×body160valid
25.0ms534×pre80true
16.0ms45×body320valid
6.0ms55×body80valid

simplify129.0ms

Counts
1 → 1
Iterations
IterNodes
898
798
697
595
487
370
243
124
014

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* c a) 4)))
0.1b
(- (* b b) (* (* c a) 4))
0.2b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
39.2b
(- (sqrt (- (* b b) (* (* c a) 4))) b)

rewrite177.0ms

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:
14.0ms
(sqrt (- (* b b) (* (* c a) 4)))
15.0ms
(- (* b b) (* (* c a) 4))
92.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
54.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

series378.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(sqrt (- (* b b) (* (* c a) 4)))
58.0ms
(- (* b b) (* (* c a) 4))
145.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
96.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

simplify1.6s

Counts
100 → 100
Iterations
IterNodes
33594
21093
1398
0161

prune1.2s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.1b

localize11.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune60.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.1b

localize21.0ms

Local error

Found 2 expressions with local error:

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

rewrite49.0ms

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:
34.0ms
(/ (* -2 (/ (* a c) b)) a)
14.0ms
(/ (* a c) b)

series64.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(/ (* -2 (/ (* a c) b)) a)
39.0ms
(/ (* a c) b)

simplify2.7s

Counts
55 → 55
Iterations
IterNodes
36587
21060
1263
099

prune629.0ms

Pruning

25 alts after pruning (24 fresh and 1 done)

Merged error: 5.1b

localize21.0ms

Local error

Found 1 expressions with local error:

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

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
prod-exp cbrt-unprod
cbrt-undiv div-exp
add-sqr-sqrt pow1 clear-num associate-/r* frac-2neg *-un-lft-identity times-frac add-cube-cbrt insert-posit16 div-inv associate-/l* add-log-exp
Counts
1 → 26
Calls
1 calls:
40.0ms
(/ (* -2 (* a c)) (* a b))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(/ (* -2 (* a c)) (* a b))

simplify10.2s

Counts
29 → 29
Iterations
IterNodes
314092
21338
1217
068

prune194.0ms

Pruning

25 alts after pruning (23 fresh and 2 done)

Merged error: 5.1b

regimes468.0ms

Accuracy

13.1% (5.9b remaining)

Error of 11.0b against oracle of 5.1b and baseline of 11.9b

bsearch34.0ms

Steps
ItersRangePoint
2
5.2737518596891653e-05
5.832957080902451e-05
5.343652512340826e-05

simplify13.0ms

Iterations
IterNodes
235
135
026

end0.0ms

sample5.7s

Algorithm
intervals
Results
1.9s4858×body160valid
1.1s8382×body80nan
1.0s16382×pre80true
954.0ms1360×body320valid
280.0ms1782×body80valid