Details

Time bar (total: 13.2s)

sample101.0ms

Algorithm
intervals
Results
45.0ms51×body2560valid
17.0ms35×body1280valid
12.0ms42×body640valid
8.0ms36×body320valid
7.0ms77×body80valid
2.0ms15×body160valid

simplify13.0ms

Counts
1 → 1
Iterations
IterNodes
done28
428
326
221
113
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.4b

localize16.0ms

Local error

Found 2 expressions with local error:

1.4b
(- 1.0 (cos x))
15.6b
(/ (- 1.0 (cos x)) (* x x))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l*
add-cube-cbrt add-log-exp
distribute-lft-out-- difference-of-squares
pow1 cbrt-undiv flip3-- div-exp flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 42
Calls
2 calls:
5.0ms
(- 1.0 (cos x))
17.0ms
(/ (- 1.0 (cos x)) (* x x))

series105.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(- 1.0 (cos x))
72.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify1.8s

Counts
48 → 48
Iterations
IterNodes
done5074
32415
2651
1217
088

prune221.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.4b
(- 1.0 (cos x))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
103×add-sqr-sqrt *-un-lft-identity
69×add-cube-cbrt
24×associate-/l*
17×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
associate-/r* div-inv
add-log-exp
cbrt-undiv div-exp
pow1 div-sub associate-/l/
clear-num frac-2neg flip3-- flip--
sub-neg diff-log
Counts
3 → 147
Calls
3 calls:
27.0ms
(/ (/ (- 1.0 (cos x)) x) x)
29.0ms
(/ (- 1.0 (cos x)) x)
12.0ms
(- 1.0 (cos x))

series138.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(/ (/ (- 1.0 (cos x)) x) x)
59.0ms
(/ (- 1.0 (cos x)) x)
21.0ms
(- 1.0 (cos x))

simplify1.6s

Counts
156 → 156
Iterations
IterNodes
done5001
21389
1530
0229

prune633.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize61.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cos x) (+ 1.0 (cos x)))
0.4b
(pow (cos x) 3)
0.5b
(+ 1.0 (cos x))
1.2b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt
23×*-un-lft-identity
16×difference-of-squares
15×unpow-prod-down cube-prod
add-cube-cbrt sqr-pow
add-log-exp
pow1 add-cbrt-cube add-exp-log
distribute-lft-out--
associate-*r*
pow-unpow associate-*l*
flip3-+ associate-*r/ flip-+ distribute-lft-out
distribute-rgt-in cube-mult pow-to-exp difference-cubes +-commutative sum-log sub-neg pow-pow distribute-lft-in flip3-- diff-log unpow3 pow-prod-down pow-exp prod-exp *-commutative cbrt-unprod flip-- rem-cube-cbrt unswap-sqr
Counts
4 → 92
Calls
4 calls:
19.0ms
(* (cos x) (+ 1.0 (cos x)))
4.0ms
(pow (cos x) 3)
5.0ms
(+ 1.0 (cos x))
20.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series168.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(* (cos x) (+ 1.0 (cos x)))
33.0ms
(pow (cos x) 3)
11.0ms
(+ 1.0 (cos x))
72.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify1.6s

Counts
104 → 104
Iterations
IterNodes
done5002
21430
1411
0146

prune589.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize57.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.5b
(+ 1.0 (cos x))
1.2b
(- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))
1.3b
(log (exp (- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt pow1 *-un-lft-identity
10×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log
log-prod log-pow
exp-prod pow3
swap-sqr associate-*r* associate-*l*
difference-cubes sub-neg exp-sum
pow2 +-commutative log-div sqr-cos sum-log flip3-+ pow-plus flip3-- exp-diff diff-log rem-log-exp pow-prod-down prod-exp pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod flip-+ flip-- distribute-lft-out unswap-sqr
Counts
4 → 71
Calls
4 calls:
8.0ms
(* (cos x) (cos x))
5.0ms
(+ 1.0 (cos x))
45.0ms
(- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))
88.0ms
(log (exp (- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))))

series186.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (cos x) (cos x))
11.0ms
(+ 1.0 (cos x))
57.0ms
(- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))
85.0ms
(log (exp (- (* (* 1.0 1.0) 1.0) (* (* (cos x) (cos x)) (cos x)))))

simplify1.9s

Counts
83 → 83
Iterations
IterNodes
done5004
32977
21033
1344
0137

prune447.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

regimes142.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 30.5b

bsearch91.0ms

Steps
ItersRangePoint
8
0.0004390994911134099
0.778402845272117
0.029235651627996857
9
-0.1501579911863904
-8.136897775944376e-09
-0.031614486696612494

simplify15.0ms

Iterations
IterNodes
done60
160
045

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.0s1552×body2560valid
965.0ms1275×body1280valid
326.0ms1411×body640valid
224.0ms2308×body80valid
198.0ms956×body320valid
55.0ms498×body160valid