Details

Time bar (total: 14.4s)

sample190.0ms

Algorithm
intervals
Results
46.0ms107×body320valid
35.0ms507×pre80true
34.0ms251×body80nan
27.0ms94×body160valid
11.0ms19×body640valid
10.0ms36×body80valid

simplify143.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
373
241
122
012

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 50.8b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3 a) c))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
0.3b
(* (* 3 a) c)
27.7b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))

rewrite127.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
14×add-cbrt-cube add-exp-log
10×add-sqr-sqrt fma-def add-cube-cbrt add-log-exp
pow1
distribute-rgt-neg-in distribute-lft-out
times-frac associate-/l*
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u
distribute-lft-neg-in associate-*r* pow-prod-down
neg-sub0 cbrt-undiv sum-log flip3-+ div-exp associate-+l- flip-+ associate-/l/
+-commutative clear-num associate-/r* neg-mul-1 sub-neg frac-2neg flip3-- fma-neg diff-log div-sub associate-*l* prod-diff neg-log *-commutative div-inv flip--
Counts
4 → 97
Calls
4 calls:
9.0ms
(- (* b b) (* (* 3 a) c))
76.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
25.0ms
(* (* 3 a) c)
15.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))

series386.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(- (* b b) (* (* 3 a) c))
185.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
30.0ms
(* (* 3 a) c)
115.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))

simplify2.1s

Counts
109 → 109
Iterations
IterNodes
done5001
21591
1468
0170

prune601.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.2b

localize6.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune46.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.2b

localize21.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(* -3/2 (/ (* a c) b))
0.4b
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
49×add-cbrt-cube add-exp-log
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
times-frac associate-*r*
pow1
associate-/r*
expm1-log1p-u associate-*l* insert-posit16 log1p-expm1-u div-inv add-log-exp
clear-num frac-2neg associate-*r/ associate-/l*
pow-prod-down *-commutative unswap-sqr associate-/l/
Counts
3 → 87
Calls
3 calls:
18.0ms
(/ (* a c) b)
16.0ms
(* -3/2 (/ (* a c) b))
19.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

series101.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ (* a c) b)
41.0ms
(* -3/2 (/ (* a c) b))
22.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

simplify1.4s

Counts
96 → 96
Iterations
IterNodes
done5081
22257
1396
0132

prune443.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 3.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(* -3/2 (expm1 (log1p (/ (* a c) b))))
0.3b
(expm1 (log1p (/ (* a c) b)))
0.4b
(/ (* -3/2 (expm1 (log1p (/ (* a c) b)))) (* 3 a))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
23×add-cbrt-cube add-exp-log
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1 cbrt-undiv div-exp prod-exp cbrt-unprod
expm1-log1p-u associate-/r* times-frac insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l*
clear-num frac-2neg div-inv associate-/l*
expm1-log1p pow-prod-down *-commutative expm1-udef unswap-sqr
Counts
4 → 81
Calls
4 calls:
9.0ms
(/ (* a c) b)
6.0ms
(* -3/2 (expm1 (log1p (/ (* a c) b))))
0.0ms
(expm1 (log1p (/ (* a c) b)))
15.0ms
(/ (* -3/2 (expm1 (log1p (/ (* a c) b)))) (* 3 a))

series428.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(/ (* a c) b)
136.0ms
(* -3/2 (expm1 (log1p (/ (* a c) b))))
138.0ms
(expm1 (log1p (/ (* a c) b)))
124.0ms
(/ (* -3/2 (expm1 (log1p (/ (* a c) b)))) (* 3 a))

simplify1.2s

Counts
93 → 93
Iterations
IterNodes
done5014
21810
1398
0158

prune477.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 3.2b

regimes687.0ms

Accuracy

11% (3.3b remaining)

Error of 6.1b against oracle of 2.8b and baseline of 6.5b

bsearch2.0ms

simplify11.0ms

Iterations
IterNodes
done33
133
028

end0.0ms

sample5.9s

Algorithm
intervals
Results
1.5s3534×body320valid
1.4s3025×body160valid
1.1s8079×body80nan
978.0ms16079×pre80true
244.0ms500×body640valid
148.0ms941×body80valid