Details

Time bar (total: 15.6s)

sample402.0ms

Algorithm
intervals
Results
36.0ms87×body1280valid
13.0ms53×body640valid
7.0ms75×body80valid
4.0ms26×body320valid
2.0ms15×body160valid

simplify21.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1129
2169
3209
4219
done219

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.9b

localize12.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (sin b) (cos (+ a b)))
0.2b
(* r (/ (sin b) (cos (+ a b))))
2.9b
(cos (+ a b))

rewrite44.0ms

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:
10.0ms
(/ (sin b) (cos (+ a b)))
18.0ms
(* r (/ (sin b) (cos (+ a b))))
12.0ms
(cos (+ a b))

series180.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ (sin b) (cos (+ a b)))
107.0ms
(* r (/ (sin b) (cos (+ a b))))
32.0ms
(cos (+ a b))

simplify3.6s

Counts
76 → 76
Iterations

Useful iterations: 4 (2.4s)

IterNodesCost
0116909
1249883
2634793
31708785
44906783
done5000783

prune193.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
0.2b
(* (sin a) (sin b))
0.2b
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
0.3b
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

rewrite137.0ms

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:
17.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
12.0ms
(* (sin a) (sin b))
73.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
29.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

series488.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
47.0ms
(* (sin a) (sin b))
232.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
121.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

simplify1.7s

Counts
112 → 112
Iterations

Useful iterations: 3 (782.0ms)

IterNodesCost
01702072
14032024
211671862
333691715
done50011715

prune374.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
0.1b
(* r (sin b))
0.2b
(* (sin a) (sin b))
0.3b
(/ (* r (sin b)) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×add-exp-log add-cbrt-cube
10×add-cube-cbrt *-un-lft-identity
pow1
associate-*r* associate-*l* add-log-exp
sin-mult
associate-/r/ cos-mult
times-frac prod-exp associate-/r* cbrt-unprod
cbrt-undiv flip3-- div-exp pow-prod-down *-commutative frac-sub flip-- sub-div unswap-sqr
sub-neg frac-2neg diff-log clear-num div-inv associate-/l*
Counts
4 → 76
Calls
4 calls:
17.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
9.0ms
(* r (sin b))
12.0ms
(* (sin a) (sin b))
31.0ms
(/ (* r (sin b)) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

series420.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
45.0ms
(* r (sin b))
48.0ms
(* (sin a) (sin b))
240.0ms
(/ (* r (sin b)) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

simplify2.1s

Counts
88 → 88
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01401256
13451224
210911076
33873989
done5000989

prune267.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite85.0ms

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:
11.0ms
(* (cos a) (cos b))
23.0ms
(- (/ (* (cos a) (cos b)) (sin b)) (sin a))
14.0ms
(/ (* (cos a) (cos b)) (sin b))
34.0ms
(/ r (- (/ (* (cos a) (cos b)) (sin b)) (sin a)))

series430.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(* (cos a) (cos b))
97.0ms
(- (/ (* (cos a) (cos b)) (sin b)) (sin a))
75.0ms
(/ (* (cos a) (cos b)) (sin b))
211.0ms
(/ r (- (/ (* (cos a) (cos b)) (sin b)) (sin a)))

simplify2.2s

Counts
104 → 104
Iterations

Useful iterations: 3 (979.0ms)

IterNodesCost
01741613
13651564
210551436
340141430
done50001430

prune312.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes143.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01216
11516
done1516

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.4s2872×body1280valid
433.0ms1763×body640valid
140.0ms796×body320valid
118.0ms2210×body80valid
44.0ms361×body160valid