Details

Time bar (total: 21.0s)

sample212.0ms

Algorithm
intervals
Results
92.0ms47×body2560valid
66.0ms83×body1280valid
23.0ms55×body640valid
12.0ms41×body320valid
3.0ms11×body160valid
2.0ms19×body80valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1117
2147
3167
done167

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.1b

localize41.0ms

Local error

Found 2 expressions with local error:

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

rewrite44.0ms

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:
35.0ms
(/ (- 1.0 (cos x)) (sin x))
7.0ms
(- 1.0 (cos x))

series89.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (- 1.0 (cos x)) (sin x))
25.0ms
(- 1.0 (cos x))

simplify3.2s

Counts
58 → 58
Iterations

Useful iterations: 3 (985.0ms)

IterNodesCost
0106665
1240645
2805611
34711609
done5002609

prune268.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (/ (sin x) (- 1.0 (cos x))))
0.2b
(/ (sin x) (- 1.0 (cos x)))
1.3b
(- 1.0 (cos x))

rewrite67.0ms

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:
27.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
24.0ms
(/ (sin x) (- 1.0 (cos x)))
7.0ms
(- 1.0 (cos x))

series183.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
71.0ms
(/ (sin x) (- 1.0 (cos x)))
40.0ms
(- 1.0 (cos x))

simplify1.9s

Counts
168 → 168
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02392702
15832361
226542196
done50012092

prune378.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.2b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
0.3b
(exp (/ (- 1.0 (cos x)) (sin x)))
1.0b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
1.3b
(- 1.0 (cos x))

rewrite103.0ms

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:
23.0ms
(/ (- 1.0 (cos x)) (sin x))
27.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
30.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
13.0ms
(- 1.0 (cos x))

series209.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ (- 1.0 (cos x)) (sin x))
75.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
59.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
25.0ms
(- 1.0 (cos x))

simplify724.0ms

Counts
124 → 124
Iterations

Useful iterations: done (721.0ms)

IterNodesCost
01631406
13181293
29521222
done50001218

prune454.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.3b
(exp (/ (exp (log (- 1.0 (cos x)))) (sin x)))
0.3b
(log (- 1.0 (cos x)))
1.0b
(log (exp (/ (exp (log (- 1.0 (cos x)))) (sin x))))
1.3b
(- 1.0 (cos x))

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
56×exp-prod
52×add-sqr-sqrt *-un-lft-identity
48×times-frac
38×log-prod
36×add-cube-cbrt
30×exp-sum log-pow
distribute-lft-out-- difference-of-squares
add-log-exp
pow1
add-exp-log
add-cbrt-cube
log-div flip3-- rem-log-exp flip-- div-inv
sub-neg diff-log rem-exp-log
Counts
4 → 106
Calls
4 calls:
32.0ms
(exp (/ (exp (log (- 1.0 (cos x)))) (sin x)))
5.0ms
(log (- 1.0 (cos x)))
67.0ms
(log (exp (/ (exp (log (- 1.0 (cos x)))) (sin x))))
7.0ms
(- 1.0 (cos x))

series258.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(exp (/ (exp (log (- 1.0 (cos x)))) (sin x)))
114.0ms
(log (- 1.0 (cos x)))
46.0ms
(log (exp (/ (exp (log (- 1.0 (cos x)))) (sin x))))
22.0ms
(- 1.0 (cos x))

simplify3.0s

Counts
118 → 118
Iterations

Useful iterations: done (3.0s)

IterNodesCost
01911425
13121128
27441043
331331041
done50001015

prune483.0ms

Pruning

15 alts after pruning (12 fresh and 3 done)

Merged error: 0.1b

regimes256.0ms

Accuracy

99% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 30.5b

bsearch127.0ms

Steps
ItersRangePoint
9
5.2366538615162886e-09
1.4124627081995123
0.02393964535351435
8
-0.03117879455470207
-1.716801800522696e-06
-0.022947908688991478

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02941
13641
done3641

end0.0ms

sample8.9s

Algorithm
intervals
Results
3.6s1607×body2560valid
3.4s2739×body1280valid
1.0s1869×body640valid
340.0ms936×body320valid
164.0ms472×body160valid
43.0ms374×body80valid
9.0msbody5120valid