Details

Time bar (total: 15.9s)

sample378.0ms

Algorithm
intervals
Results
84.0ms99×body1280valid
66.0ms61×body640valid
7.0ms65×body80valid
7.0ms19×body320valid
4.0ms12×body160valid

simplify97.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (59.0ms)

IterNodesCost
089
1129
2169
3209
4219
done219

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.2b

localize16.0ms

Local error

Found 3 expressions with local error:

0.2b
(* r (/ (sin b) (cos (+ a b))))
0.2b
(/ (sin b) (cos (+ a b)))
4.2b
(cos (+ a b))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
19×add-cube-cbrt *-un-lft-identity times-frac
13×associate-*r*
10×add-exp-log add-cbrt-cube
pow1
associate-*l* associate-/r* associate-/l* add-log-exp
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
cos-sum frac-2neg associate-*r/ pow-prod-down clear-num *-commutative
Counts
3 → 67
Calls
3 calls:
34.0ms
(* r (/ (sin b) (cos (+ a b))))
22.0ms
(/ (sin b) (cos (+ a b)))
18.0ms
(cos (+ a b))

series223.0ms

Counts
3 → 9
Calls
3 calls:
126.0ms
(* r (/ (sin b) (cos (+ a b))))
58.0ms
(/ (sin b) (cos (+ a b)))
39.0ms
(cos (+ a b))

simplify824.0ms

Counts
76 → 76
Iterations

Useful iterations: done (821.0ms)

IterNodesCost
0116909
1272887
21040801
done5000791

prune305.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.2b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* (cos a) (cos b)) (* (sin b) (sin a)))
0.2b
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a)))))
0.2b
(/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a))))
0.2b
(* (sin b) (sin a))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×add-cube-cbrt *-un-lft-identity
20×associate-*r*
19×times-frac
13×add-exp-log add-cbrt-cube
pow1 associate-/r/
sin-mult
associate-*l* cos-mult add-log-exp
flip3-- prod-exp associate-/r* frac-sub flip-- cbrt-unprod associate-/l* sub-div unswap-sqr
cbrt-undiv div-exp pow-prod-down *-commutative div-inv
sub-neg frac-2neg diff-log associate-*r/ clear-num
Counts
4 → 100
Calls
4 calls:
24.0ms
(- (* (cos a) (cos b)) (* (sin b) (sin a)))
98.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a)))))
45.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a))))
21.0ms
(* (sin b) (sin a))

series715.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(- (* (cos a) (cos b)) (* (sin b) (sin a)))
332.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a)))))
176.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin b) (sin a))))
80.0ms
(* (sin b) (sin a))

simplify1.6s

Counts
112 → 112
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01752072
14392028
219911842
done50011761

prune640.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos b) (cos a))
0.1b
(- (/ (* (cos b) (cos a)) (sin b)) (sin a))
0.2b
(/ (* (cos b) (cos a)) (sin b))
0.2b
(/ r (- (/ (* (cos b) (cos a)) (sin b)) (sin a)))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
28×*-un-lft-identity
18×add-cube-cbrt times-frac
13×add-exp-log add-cbrt-cube
associate-/r*
pow1 add-log-exp
distribute-lft-out-- difference-of-squares
associate-/l*
cbrt-undiv div-exp associate-*r* associate-*l*
flip3-- frac-2neg prod-exp clear-num associate-/r/ cos-mult flip-- cbrt-unprod div-inv
sub-neg diff-log pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
4 → 92
Calls
4 calls:
26.0ms
(* (cos b) (cos a))
40.0ms
(- (/ (* (cos b) (cos a)) (sin b)) (sin a))
14.0ms
(/ (* (cos b) (cos a)) (sin b))
38.0ms
(/ r (- (/ (* (cos b) (cos a)) (sin b)) (sin a)))

series558.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(* (cos b) (cos a))
135.0ms
(- (/ (* (cos b) (cos a)) (sin b)) (sin a))
101.0ms
(/ (* (cos b) (cos a)) (sin b))
262.0ms
(/ r (- (/ (* (cos b) (cos a)) (sin b)) (sin a)))

simplify1.3s

Counts
104 → 104
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01711607
13771558
214921434
done50001424

prune622.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin b) (sin a))
0.2b
(* (sin b) (sin a))
0.2b
(* (sin b) (sin a))
0.3b
(* (* (cos a) (cos b)) (* (cos a) (cos b)))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
49×pow1
22×add-exp-log add-cbrt-cube
20×pow-prod-down
16×add-sqr-sqrt
11×prod-exp cbrt-unprod
10×add-cube-cbrt *-un-lft-identity associate-*r* associate-*l*
pow-sqr cos-mult *-commutative pow-prod-up add-log-exp
sin-mult unswap-sqr
pow-plus
pow2 frac-times associate-*r/ swap-sqr associate-*l/
Counts
4 → 94
Calls
4 calls:
21.0ms
(* (sin b) (sin a))
13.0ms
(* (sin b) (sin a))
20.0ms
(* (sin b) (sin a))
62.0ms
(* (* (cos a) (cos b)) (* (cos a) (cos b)))

series338.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* (sin b) (sin a))
95.0ms
(* (sin b) (sin a))
87.0ms
(* (sin b) (sin a))
94.0ms
(* (* (cos a) (cos b)) (* (cos a) (cos b)))

simplify919.0ms

Counts
106 → 106
Iterations

Useful iterations: done (916.0ms)

IterNodesCost
088981
1229868
21088732
done5001700

prune485.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

regimes262.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01315
11713
21813
done1813

end0.0ms

sample6.0s

Algorithm
intervals
Results
3.7s2984×body1280valid
1.0s1805×body640valid
386.0ms2162×body80valid
316.0ms716×body320valid
84.0ms335×body160valid