Details

Time bar (total: 13.9s)

sample138.0ms

Algorithm
intervals
Results
60.0ms47×body2560valid
46.0ms88×body1280valid
14.0ms61×body640valid
6.0ms38×body320valid
1.0ms11×body160valid
1.0ms11×body80valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1117
2147
3167
done167

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.4b
(- 1.0 (cos x))

rewrite25.0ms

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:
17.0ms
(/ (- 1.0 (cos x)) (sin x))
6.0ms
(- 1.0 (cos x))

series63.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- 1.0 (cos x)) (sin x))
20.0ms
(- 1.0 (cos x))

simplify1.7s

Counts
58 → 58
Iterations

Useful iterations: 4 (752.0ms)

IterNodesCost
0106665
1235645
2531609
31194609
43136608
done5000608

prune144.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

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)))
1.8b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
2.4b
(- 1.0 (cos x))

rewrite72.0ms

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:
17.0ms
(/ (- 1.0 (cos x)) (sin x))
23.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
22.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
6.0ms
(- 1.0 (cos x))

series146.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ (- 1.0 (cos x)) (sin x))
43.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
41.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
19.0ms
(- 1.0 (cos x))

simplify1.7s

Counts
124 → 124
Iterations

Useful iterations: 4 (851.0ms)

IterNodesCost
01631406
13041293
26391220
313941218
435671217
done50001217

prune295.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow (cos x) 3)
0.5b
(+ (cos x) 1.0)
1.8b
(log (exp (/ (/ (- (pow 1.0 3) (pow (cos x) 3)) (+ (* (+ (cos x) 1.0) (cos x)) (* 1.0 1.0))) (sin x))))
2.3b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
468×times-frac
417×add-sqr-sqrt
279×*-un-lft-identity
248×log-pow
247×exp-prod
177×add-cube-cbrt
160×difference-of-squares
123×unpow-prod-down cube-prod
81×sqr-pow
50×distribute-lft-out--
10×difference-cubes
add-log-exp
pow1 associate-/r/
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv
pow-unpow log-prod
div-sub
+-commutative cube-mult pow-to-exp sub-neg log-div flip3-- pow-pow exp-diff diff-log unpow3 rem-log-exp pow-exp sum-log flip-- distribute-lft-out rem-cube-cbrt
Counts
4 → 329
Calls
4 calls:
5.0ms
(pow (cos x) 3)
6.0ms
(+ (cos x) 1.0)
184.0ms
(log (exp (/ (/ (- (pow 1.0 3) (pow (cos x) 3)) (+ (* (+ (cos x) 1.0) (cos x)) (* 1.0 1.0))) (sin x))))
22.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series272.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(pow (cos x) 3)
16.0ms
(+ (cos x) 1.0)
172.0ms
(log (exp (/ (/ (- (pow 1.0 3) (pow (cos x) 3)) (+ (* (+ (cos x) 1.0) (cos x)) (* 1.0 1.0))) (sin x))))
56.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify1.4s

Counts
341 → 341
Iterations

Useful iterations: 2 (529.0ms)

IterNodesCost
06688637
111707433
227717333
done50007333

prune938.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (- 1.0 (cos x)))
0.2b
(/ (log (exp (- 1.0 (cos x)))) (sin x))
2.4b
(- 1.0 (cos x))
2.5b
(log (exp (- 1.0 (cos x))))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
39×add-sqr-sqrt *-un-lft-identity
30×exp-prod log-pow
27×times-frac
25×add-cube-cbrt
pow1 associate-/l* add-log-exp
distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
log-prod
exp-sum
sub-neg exp-diff associate-/r*
log-div diff-log rem-exp-log
cbrt-undiv flip3-- frac-2neg div-sub div-exp rem-log-exp clear-num flip-- div-inv
Counts
4 → 103
Calls
4 calls:
15.0ms
(exp (- 1.0 (cos x)))
49.0ms
(/ (log (exp (- 1.0 (cos x)))) (sin x))
6.0ms
(- 1.0 (cos x))
16.0ms
(log (exp (- 1.0 (cos x))))

series120.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(exp (- 1.0 (cos x)))
37.0ms
(/ (log (exp (- 1.0 (cos x)))) (sin x))
24.0ms
(- 1.0 (cos x))
20.0ms
(log (exp (- 1.0 (cos x))))

simplify2.0s

Counts
115 → 115
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
01601341
12871132
26371070
314331070
440191069
done50001069

prune212.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

regimes61.0ms

Accuracy

99.1% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 30.4b

bsearch82.0ms

Steps
ItersRangePoint
11
6.1632953816490534e-12
2923699147.8271213
0.02338074252416356
10
-21283307590.397102
-3.152803306627408e-07
-0.02278801870830147

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02641
13433
done3433

end0.0ms

sample4.2s

Algorithm
intervals
Results
2.1s1602×body2560valid
1.2s2734×body1280valid
435.0ms1857×body640valid
159.0ms949×body320valid
53.0ms492×body160valid
31.0ms366×body80valid