Details

Time bar (total: 32.0s)

sample106.0ms

Algorithm
intervals
Results
29.0ms265×body80valid
18.0ms29×body1280valid
18.0ms39×body640valid
6.0ms17×body320valid
2.0msbody160valid

simplify1.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01216
12616
26716
324216
4125516
done500116

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.6b

localize34.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
3.8b
(* (* x (pow sin 2.0)) x)
6.6b
(* x (pow sin 2.0))
19.5b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite272.0ms

Algorithm
rewrite-expression-head
Rules
122×add-exp-log
82×prod-exp
34×add-cbrt-cube
18×pow-to-exp pow-exp
17×add-sqr-sqrt
16×div-exp cbrt-unprod
12×add-cube-cbrt *-un-lft-identity
11×associate-*r* associate-*l*
unpow-prod-down
pow1
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
times-frac *-commutative associate-/l* unswap-sqr sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 123
Calls
4 calls:
101.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
38.0ms
(* (* x (pow sin 2.0)) x)
19.0ms
(* x (pow sin 2.0))
106.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.4s

Counts
4 → 12
Calls
4 calls:
469.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
244.0ms
(* (* x (pow sin 2.0)) x)
233.0ms
(* x (pow sin 2.0))
434.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.9s

Counts
135 → 135
Iterations

Useful iterations: 2 (454.0ms)

IterNodesCost
01792045
14571907
224141649
done50011649

prune747.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 16.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
3.8b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
19.5b
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

rewrite814.0ms

Algorithm
rewrite-expression-head
Rules
416×add-exp-log
343×prod-exp
84×pow-to-exp pow-exp
52×add-cbrt-cube
43×div-exp
29×cbrt-unprod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*r*
associate-*l*
pow1 unpow-prod-down
cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
times-frac *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 194
Calls
4 calls:
44.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
308.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
117.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
320.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

series1.4s

Counts
4 → 12
Calls
4 calls:
223.0ms
(* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2)))
477.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))
232.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
422.0ms
(* (pow cos 2.0) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))

simplify4.2s

Counts
206 → 206
Iterations

Useful iterations: 2 (802.0ms)

IterNodesCost
02115143
15973013
238522569
done50012569

prune876.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 15.0b

localize65.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
19.5b
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

rewrite452.0ms

Algorithm
rewrite-expression-head
Rules
466×add-exp-log
382×prod-exp
90×pow-to-exp pow-exp
58×add-cbrt-cube
52×div-exp
34×cbrt-unprod
associate-*l*
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-undiv
pow1
expm1-log1p-u unpow-prod-down times-frac log1p-expm1-u associate-/l* add-log-exp
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
3 → 184
Calls
3 calls:
73.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
169.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
179.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

series1.4s

Counts
3 → 9
Calls
3 calls:
302.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
584.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))
486.0ms
(* (pow cos 2.0) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))

simplify2.9s

Counts
193 → 193
Iterations

Useful iterations: 2 (679.0ms)

IterNodesCost
01885240
15463102
229182616
done50012616

prune660.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 14.0b

localize49.0ms

Local error

Found 3 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
9.4b
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
14.6b
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

rewrite418.0ms

Algorithm
rewrite-expression-head
Rules
455×add-exp-log
371×prod-exp
89×pow-to-exp pow-exp
58×add-cbrt-cube
53×div-exp
33×cbrt-unprod
associate-*l*
cbrt-undiv add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1
expm1-log1p-u unpow-prod-down times-frac log1p-expm1-u associate-/l* add-log-exp
associate-*r* *-commutative
frac-2neg pow-prod-down clear-num associate-/r* div-inv sqr-pow
Counts
3 → 182
Calls
3 calls:
166.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
170.0ms
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
53.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

series1.6s

Counts
3 → 9
Calls
3 calls:
605.0ms
(/ (cos (* 2.0 x)) (* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x)))
527.0ms
(* (* (pow cos 2.0) (* x (pow sin (/ 2.0 2)))) (* (pow sin (/ 2.0 2)) x))
422.0ms
(* (pow cos 2.0) (* x (pow sin (/ 2.0 2))))

simplify3.6s

Counts
191 → 191
Iterations

Useful iterations: 2 (832.0ms)

IterNodesCost
01915082
15863288
231402764
done50002764

prune625.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 9.0b

regimes1.2s

Accuracy

0% (1.7b remaining)

Error of 6.8b against oracle of 5.0b and baseline of 6.8b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01632
12032
22132
done2132

end0.0ms

sample5.6s

Algorithm
intervals
Results
2.3s9034×body80valid
1.4s860×body1280valid
748.0ms963×body640valid
318.0ms605×body320valid
93.0ms315×body160valid