Details

Time bar (total: 25.8s)

sample90.0ms

Algorithm
intervals
Results
29.0ms300×body80valid
14.0ms35×body640valid
14.0ms24×body1280valid
6.0ms20×body320valid
1.0msbody160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01216
12616
26716
324216
4125516
done500116

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.9b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
5.1b
(* (* x (pow sin 2.0)) x)
6.1b
(* x (pow sin 2.0))
21.2b
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

rewrite249.0ms

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:
97.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
36.0ms
(* (* x (pow sin 2.0)) x)
20.0ms
(* x (pow sin 2.0))
88.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

series1.2s

Counts
4 → 12
Calls
4 calls:
390.0ms
(/ (cos (* 2.0 x)) (* (pow cos 2.0) (* (* x (pow sin 2.0)) x)))
216.0ms
(* (* x (pow sin 2.0)) x)
194.0ms
(* x (pow sin 2.0))
373.0ms
(* (pow cos 2.0) (* (* x (pow sin 2.0)) x))

simplify1.7s

Counts
135 → 135
Iterations

Useful iterations: 2 (396.0ms)

IterNodesCost
01792045
14571907
224141649
done50011649

prune398.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 16.8b

localize21.0ms

Local error

Found 4 expressions with local error:

5.1b
(* (* x (pow sin 2.0)) x)
6.1b
(* x (pow sin 2.0))
6.7b
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))
8.0b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))

rewrite430.0ms

Algorithm
rewrite-expression-head
Rules
226×add-exp-log
202×prod-exp
50×pow-to-exp pow-exp
34×add-cbrt-cube
20×cbrt-unprod
18×associate-*l*
17×add-sqr-sqrt
12×add-cube-cbrt *-un-lft-identity associate-*r*
10×unpow-prod-down
pow1
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp sqr-pow
unswap-sqr
pow-prod-down
Counts
4 → 154
Calls
4 calls:
31.0ms
(* (* x (pow sin 2.0)) x)
20.0ms
(* x (pow sin 2.0))
100.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))
269.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))

series1.1s

Counts
4 → 12
Calls
4 calls:
172.0ms
(* (* x (pow sin 2.0)) x)
181.0ms
(* x (pow sin 2.0))
363.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x))
361.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin 2.0)) x)))

simplify1.8s

Counts
166 → 166
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01712944
14542114
222591890
done50001872

prune847.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 12.7b

localize24.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
5.1b
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
6.7b
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))
8.0b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))

rewrite2.0s

Algorithm
rewrite-expression-head
Rules
1410×add-exp-log
1300×prod-exp
338×pow-to-exp pow-exp
130×div-exp
74×add-cbrt-cube
46×cbrt-unprod
15×associate-*l*
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 cbrt-undiv unpow-prod-down
associate-*r*
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 → 402
Calls
4 calls:
720.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
121.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
327.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))
814.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))

series1.4s

Counts
4 → 12
Calls
4 calls:
446.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))))
198.0ms
(* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)
355.0ms
(* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x))
368.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* (* x (pow sin (/ 2.0 2))) (pow sin (/ 2.0 2))) x)))

simplify2.7s

Counts
414 → 414
Iterations

Useful iterations: done (2.7s)

IterNodesCost
026713999
17926515
235996019
done50015919

prune547.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 10.3b

localize43.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
0.5b
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))))
6.7b
(* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))
8.0b
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
1691×add-exp-log
1549×prod-exp
399×pow-to-exp pow-exp
157×div-exp
92×add-cbrt-cube
59×cbrt-unprod
15×associate-*l*
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-undiv
pow1 unpow-prod-down
expm1-log1p-u log1p-expm1-u add-log-exp
times-frac associate-*r* *-commutative associate-/l*
sqr-pow
frac-2neg pow-prod-down clear-num associate-/r* div-inv
Counts
4 → 470
Calls
4 calls:
60.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
387.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))))
144.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))
431.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))

series1.4s

Counts
4 → 12
Calls
4 calls:
239.0ms
(* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))
399.0ms
(/ (cos (* 2.0 x)) (* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))))
349.0ms
(* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x)))
452.0ms
(* (pow cos (/ 2.0 2)) (* (pow cos (/ 2.0 2)) (* (* x (pow sin (/ 2.0 2))) (* (pow sin (/ 2.0 2)) x))))

simplify2.6s

Counts
482 → 482
Iterations

Useful iterations: 2 (715.0ms)

IterNodesCost
028316424
18527618
235556822
done50006822

prune485.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 7.1b

regimes495.0ms

Accuracy

0% (1.2b remaining)

Error of 5.9b against oracle of 4.7b and baseline of 5.9b

bsearch0.0ms

simplify12.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01632
12032
22132
done2132

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.4s9191×body80valid
940.0ms1002×body640valid
727.0ms818×body1280valid
243.0ms567×body320valid
157.0ms333×body160valid