Details

Time bar (total: 17.6s)

sample173.0ms

Algorithm
intervals
Results
67.0ms49×body2560valid
49.0ms81×body1280valid
20.0ms69×body640valid
15.0msbody5120valid
7.0ms31×body320valid
2.0ms13×body160valid
1.0ms11×body80valid

simplify18.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.4b

localize8.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
1.3b
(- 1.0 (cos x))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
66.0ms
(/ (- 1.0 (cos x)) (sin x))
7.0ms
(- 1.0 (cos x))

series110.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(/ (- 1.0 (cos x)) (sin x))
39.0ms
(- 1.0 (cos x))

simplify924.0ms

Counts
58 → 58

prune232.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
0.2b
(exp (/ (- 1.0 (cos x)) (sin x)))
0.9b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
1.3b
(- 1.0 (cos x))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt *-un-lft-identity
45×times-frac
38×exp-prod
33×add-cube-cbrt
20×log-pow
11×distribute-lft-out-- difference-of-squares
add-log-exp
add-exp-log add-cbrt-cube
pow1 associate-/l*
log-prod div-sub associate-/r* div-inv
flip3-- exp-diff flip-- associate-/l/
cbrt-undiv sub-neg log-div frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 112
Calls
4 calls:
22.0ms
(/ (- 1.0 (cos x)) (sin x))
32.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
34.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
13.0ms
(- 1.0 (cos x))

series187.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ (- 1.0 (cos x)) (sin x))
59.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
45.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
31.0ms
(- 1.0 (cos x))

simplify971.0ms

Counts
124 → 124

prune527.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.2b

localize20.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1 (/ (sin x) (- 1.0 (cos x))))
0.2b
(/ (sin x) (- 1.0 (cos x)))
1.3b
(- 1.0 (cos x))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×add-sqr-sqrt *-un-lft-identity
71×add-cube-cbrt
26×associate-/r*
17×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 159
Calls
3 calls:
43.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
33.0ms
(/ (sin x) (- 1.0 (cos x)))
12.0ms
(- 1.0 (cos x))

series166.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
65.0ms
(/ (sin x) (- 1.0 (cos x)))
36.0ms
(- 1.0 (cos x))

simplify1.0s

Counts
168 → 168

prune468.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) (sin x)))
0.4b
(pow (cos x) 3)
0.4b
(+ (cos x) 1.0)
1.1b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite194.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
48×difference-of-squares
41×*-un-lft-identity
39×unpow-prod-down cube-prod
25×times-frac associate-/l* sqr-pow
15×distribute-lft-out--
10×add-exp-log add-cbrt-cube
add-cube-cbrt
add-log-exp
pow1
difference-cubes pow-unpow
cbrt-undiv flip3-- flip3-+ div-exp associate-*l/ associate-/r/ flip-- flip-+ associate-/l/
+-commutative cube-mult pow-to-exp sub-neg pow-pow frac-2neg diff-log unpow3 div-sub pow-exp prod-exp clear-num associate-/r* sum-log cbrt-unprod div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 139
Calls
4 calls:
125.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) (sin x)))
4.0ms
(pow (cos x) 3)
17.0ms
(+ (cos x) 1.0)
37.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series344.0ms

Counts
4 → 12
Calls
4 calls:
233.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) (sin x)))
37.0ms
(pow (cos x) 3)
15.0ms
(+ (cos x) 1.0)
59.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify1.3s

Counts
151 → 151

prune576.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 0.1b

regimes281.0ms

Accuracy

98.9% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 30.2b

bsearch151.0ms

Steps
ItersRangePoint
9
0.0024368900564104884
555.6593536559827
0.021340329488372885
10
-248837311.7084542
-0.0006576197608759923
-0.01783437632320246

simplify1.1s

end0.0ms

sample8.5s

Algorithm
intervals
Results
3.7s1631×body2560valid
2.5s2781×body1280valid
1.0s1785×body640valid
712.0ms947×body320valid
176.0ms466×body160valid
90.0ms382×body80valid
50.0msbody5120valid