Details

Time bar (total: 22.5s)

sample373.0ms

Algorithm
intervals
Results
135.0ms92×body1280valid
114.0ms53×body640valid
39.0ms72×body80valid
10.0ms25×body320valid
4.0ms15×body160valid

simplify35.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
089
1129
2169
3209
4219
done219

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize22.0ms

Local error

Found 3 expressions with local error:

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

rewrite92.0ms

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
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u 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 → 73
Calls
3 calls:
47.0ms
(* r (/ (sin b) (cos (+ a b))))
20.0ms
(/ (sin b) (cos (+ a b)))
21.0ms
(cos (+ a b))

series193.0ms

Counts
3 → 9
Calls
3 calls:
118.0ms
(* r (/ (sin b) (cos (+ a b))))
47.0ms
(/ (sin b) (cos (+ a b)))
28.0ms
(cos (+ a b))

simplify3.7s

Counts
82 → 82
Iterations

Useful iterations: done (3.7s)

IterNodesCost
0122955
1260924
2659834
31814830
done5001824

prune401.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

localize38.0ms

Local error

Found 4 expressions with local error:

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

rewrite220.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
24×add-cube-cbrt *-un-lft-identity
23×associate-*r*
19×times-frac
15×add-exp-log add-cbrt-cube
10×pow1
associate-*l*
associate-/r/
cos-mult sin-mult
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-/r* *-commutative associate-/l*
cbrt-undiv flip3-- div-exp frac-sub flip-- div-inv sub-div
frac-2neg associate-*r/ clear-num
Counts
4 → 113
Calls
4 calls:
12.0ms
(* (cos a) (cos b))
112.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
27.0ms
(* (sin a) (sin b))
66.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

series686.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(* (cos a) (cos b))
323.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
87.0ms
(* (sin a) (sin b))
212.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

simplify2.7s

Counts
125 → 125
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01952025
14421967
212611788
335871683
done50001679

prune669.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

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

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
43×*-un-lft-identity
33×add-cube-cbrt
30×times-frac
21×prod-diff
13×add-exp-log add-cbrt-cube
associate-/r*
fma-neg
pow1 div-inv add-log-exp
distribute-lft-out-- difference-of-squares
expm1-log1p-u log1p-expm1-u associate-/l*
cbrt-undiv div-exp associate-*r* associate-*l*
flip3-- frac-2neg prod-exp clear-num associate-/r/ cos-mult flip-- cbrt-unprod
sub-neg diff-log pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
4 → 128
Calls
4 calls:
31.0ms
(- (/ (* (cos a) (cos b)) (sin b)) (sin a))
11.0ms
(* (cos a) (cos b))
56.0ms
(/ r (- (/ (* (cos a) (cos b)) (sin b)) (sin a)))
19.0ms
(/ (* (cos a) (cos b)) (sin b))

series576.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(- (/ (* (cos a) (cos b)) (sin b)) (sin a))
61.0ms
(* (cos a) (cos b))
264.0ms
(/ r (- (/ (* (cos a) (cos b)) (sin b)) (sin a)))
135.0ms
(/ (* (cos a) (cos b)) (sin b))

simplify1.8s

Counts
140 → 140
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02162544
14562233
212931954
done50001825

prune773.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (cos b) (sin b))
0.2b
(fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a)))
0.2b
(/ r (fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×times-frac
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg div-exp clear-num div-inv
fma-udef
Counts
3 → 68
Calls
3 calls:
16.0ms
(/ (cos b) (sin b))
1.0ms
(fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a)))
18.0ms
(/ r (fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a))))

series438.0ms

Counts
3 → 9
Calls
3 calls:
23.0ms
(/ (cos b) (sin b))
150.0ms
(fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a)))
266.0ms
(/ r (fma (/ (cos a) 1) (/ (cos b) (sin b)) (- (sin a))))

simplify2.8s

Counts
77 → 77
Iterations

Useful iterations: done (2.8s)

IterNodesCost
01381274
12531141
25711045
312971044
433311038
done50001036

prune386.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes220.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01417
11613
done1613

end0.0ms

sample6.2s

Algorithm
intervals
Results
3.0s2929×body1280valid
1.5s1872×body640valid
738.0ms2086×body80valid
343.0ms788×body320valid
144.0ms328×body160valid