Details

Time bar (total: 18.2s)

sample257.0ms

Algorithm
intervals
Results
85.0ms91×body1280valid
31.0ms56×body640valid
10.0ms25×body320valid
9.0ms75×body80valid
2.0msbody160valid

simplify99.0ms

Counts
1 → 1
Iterations
IterNodes
done21
421
320
216
112
08

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 13.6b

localize17.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ r (cos (+ b a)))
0.2b
(* (sin b) (/ r (cos (+ b a))))
2.3b
(cos (+ b a))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
19×*-un-lft-identity times-frac add-cube-cbrt
13×associate-*r*
10×add-cbrt-cube add-exp-log
pow1
expm1-log1p-u associate-/r* associate-*l* log1p-expm1-u associate-/l* add-log-exp
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
cos-sum clear-num frac-2neg pow-prod-down associate-*r/ *-commutative
Counts
3 → 73
Calls
3 calls:
9.0ms
(/ r (cos (+ b a)))
31.0ms
(* (sin b) (/ r (cos (+ b a))))
12.0ms
(cos (+ b a))

series314.0ms

Counts
3 → 9
Calls
3 calls:
100.0ms
(/ r (cos (+ b a)))
168.0ms
(* (sin b) (/ r (cos (+ b a))))
46.0ms
(cos (+ b a))

simplify888.0ms

Counts
82 → 82
Iterations
IterNodes
done5000
21481
1287
0124

prune491.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.2b

localize52.0ms

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

rewrite168.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×*-un-lft-identity add-cube-cbrt
20×associate-*r*
19×times-frac
13×add-cbrt-cube add-exp-log
pow1 associate-/r/
sin-mult
associate-*l* cos-mult add-log-exp
expm1-log1p-u log1p-expm1-u
associate-/r* flip3-- prod-exp frac-sub cbrt-unprod flip-- associate-/l* sub-div unswap-sqr
cbrt-undiv div-exp pow-prod-down *-commutative div-inv
clear-num sub-neg frac-2neg fma-neg diff-log prod-diff associate-*r/
Counts
4 → 110
Calls
4 calls:
23.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
19.0ms
(* (sin a) (sin b))
23.0ms
(/ r (- (* (cos a) (cos b)) (* (sin a) (sin b))))
99.0ms
(* (sin b) (/ r (- (* (cos a) (cos b)) (* (sin a) (sin b)))))

series921.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
86.0ms
(* (sin a) (sin b))
328.0ms
(/ r (- (* (cos a) (cos b)) (* (sin a) (sin b))))
381.0ms
(* (sin b) (/ r (- (* (cos a) (cos b)) (* (sin a) (sin b)))))

simplify1.7s

Counts
122 → 122
Iterations
IterNodes
done5000
22412
1472
0184

prune891.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.0b

localize48.0ms

Local error

Found 4 expressions with local error:

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

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×add-cbrt-cube add-exp-log
10×*-un-lft-identity add-cube-cbrt
pow1
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r* times-frac prod-exp cbrt-unprod
cbrt-undiv div-exp pow-prod-down *-commutative unswap-sqr
clear-num frac-2neg cos-mult fma-udef div-inv associate-/l*
Counts
4 → 74
Calls
4 calls:
9.0ms
(* (cos a) (cos b))
0.0ms
(fma (- (sin b)) (sin a) (* (cos a) (cos b)))
8.0ms
(* (sin b) r)
10.0ms
(/ (* (sin b) r) (fma (- (sin b)) (sin a) (* (cos a) (cos b))))

series665.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(* (cos a) (cos b))
114.0ms
(fma (- (sin b)) (sin a) (* (cos a) (cos b)))
63.0ms
(* (sin b) r)
415.0ms
(/ (* (sin b) r) (fma (- (sin b)) (sin a) (* (cos a) (cos b))))

simplify1.0s

Counts
86 → 86
Iterations
IterNodes
done5000
21463
1314
0138

prune609.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (cos b) (cos a) (* (sin a) (- (sin b))))
0.2b
(/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b)))))
0.2b
(* (sin a) (- (sin b)))
0.3b
(* (* (sin b) r) (/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b))))))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log
25×add-sqr-sqrt
23×*-un-lft-identity associate-*r* add-cube-cbrt
20×add-cbrt-cube
18×times-frac
13×prod-exp
12×pow1
cbrt-unprod
div-exp
expm1-log1p-u associate-*l* pow-prod-down log1p-expm1-u add-log-exp
distribute-lft-neg-in cbrt-undiv rec-exp associate-/r* distribute-rgt-neg-in 1-exp associate-/l*
*-commutative div-inv
clear-num neg-mul-1 frac-2neg associate-*r/ un-div-inv distribute-rgt-neg-out fma-udef pow-flip inv-pow unswap-sqr
Counts
4 → 111
Calls
4 calls:
0.0ms
(fma (cos b) (cos a) (* (sin a) (- (sin b))))
4.0ms
(/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b)))))
13.0ms
(* (sin a) (- (sin b)))
30.0ms
(* (* (sin b) r) (/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b))))))

series818.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(fma (cos b) (cos a) (* (sin a) (- (sin b))))
188.0ms
(/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b)))))
89.0ms
(* (sin a) (- (sin b)))
385.0ms
(* (* (sin b) r) (/ 1 (fma (cos b) (cos a) (* (sin a) (- (sin b))))))

simplify2.1s

Counts
123 → 123
Iterations
IterNodes
done5000
22691
1465
0180

prune691.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0b

regimes652.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done14
114
012

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.4s2928×body1280valid
1.6s1797×body640valid
884.0ms2178×body80valid
283.0ms758×body320valid
125.0ms339×body160valid