Details

Time bar (total: 5.1s)

sample51.0ms

Algorithm
intervals
Results
13.0ms568×pre80true
9.0ms312×body80nan
9.0ms137×body160valid
4.0ms119×body80valid

simplify40.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37516
48716
59516
done9516

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize10.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* 3.0 a) c)
0.3b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.3b
(- (* b b) (* (* 3.0 a) c))
27.3b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×add-log-exp
pow1
add-sqr-sqrt add-cube-cbrt
distribute-lft-out
times-frac associate-/l*
prod-exp cbrt-unprod
distribute-rgt-neg-in associate-*r* pow-prod-down
cbrt-undiv neg-sub0 associate-+l- flip3-+ div-exp sum-log flip-+ associate-/l/
+-commutative sub-neg flip3-- frac-2neg diff-log div-sub associate-*l* neg-log clear-num associate-/r* *-commutative flip-- div-inv
Counts
4 → 73
Calls
4 calls:
7.0ms
(* (* 3.0 a) c)
34.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
3.0ms
(- (* b b) (* (* 3.0 a) c))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

series248.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (* 3.0 a) c)
103.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
47.0ms
(- (* b b) (* (* 3.0 a) c))
78.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

simplify641.0ms

Counts
85 → 85
Iterations

Useful iterations: done (638.0ms)

IterNodesCost
01541437
14171361
216431139
done50011138

prune209.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 10.0b

localize3.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune40.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 10.0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.3b
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
associate-*l* div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 78
Calls
3 calls:
3.0ms
(/ (* a c) b)
8.0ms
(* -1.5 (/ (* a c) b))
8.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series70.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(/ (* a c) b)
30.0ms
(* -1.5 (/ (* a c) b))
21.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify601.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (166.0ms)

IterNodesCost
01231086
13771045
22011761
done5000761

prune167.0ms

Pruning

29 alts after pruning (28 fresh and 1 done)

Merged error: 9.9b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 3.0 a) (* -1.5 (/ (* a c) b))))
0.2b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* 3.0 a) (* -1.5 (/ (* a c) b)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
158×add-exp-log
92×add-cbrt-cube
70×div-exp
53×prod-exp
37×cbrt-undiv
29×times-frac cbrt-unprod
22×add-sqr-sqrt
20×add-cube-cbrt *-un-lft-identity
10×associate-/r*
rec-exp 1-exp
div-inv
pow1 associate-*r*
associate-*r/ associate-/r/
associate-/l*
add-log-exp
frac-2neg associate-*l* clear-num
pow-flip pow-prod-down *-commutative inv-pow unswap-sqr
Counts
4 → 154
Calls
4 calls:
16.0ms
(/ 1 (/ (* 3.0 a) (* -1.5 (/ (* a c) b))))
3.0ms
(/ (* a c) b)
8.0ms
(* -1.5 (/ (* a c) b))
9.0ms
(/ (* 3.0 a) (* -1.5 (/ (* a c) b)))

series91.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ 1 (/ (* 3.0 a) (* -1.5 (/ (* a c) b))))
19.0ms
(/ (* a c) b)
31.0ms
(* -1.5 (/ (* a c) b))
21.0ms
(/ (* 3.0 a) (* -1.5 (/ (* a c) b)))

simplify808.0ms

Counts
166 → 166
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
02132646
15932395
226921803
done50001803

prune170.0ms

Pruning

33 alts after pruning (32 fresh and 1 done)

Merged error: 9.9b

regimes540.0ms

Accuracy

47.9% (7.0b remaining)

Error of 16.2b against oracle of 9.2b and baseline of 22.7b

bsearch2.0ms

Steps
ItersRangePoint
0
3187.1734153117472
3187.188536646724
3187.1809759792354

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02540
13040
done3040

end0.0ms

sample1.3s

Algorithm
intervals
Results
301.0ms16640×pre80true
282.0ms4488×body160valid
263.0ms8640×body80nan
112.0ms3511×body80valid
0.0msbody320valid