Details

Time bar (total: 24.1s)

sample362.0ms

Algorithm
intervals
Results
171.0ms52×body10240exit
36.0ms316×body80nan
32.0ms255×body80valid
3.0msbody5120valid

simplify3.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
079
1139
2229
3459
41159
52689
68349
731979
done50019

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(pow (sqrt (atan2 b b)) (- b a))
0.2b
(sin (pow (sqrt (atan2 b b)) (- b a)))
1.0b
(sqrt (atan2 b b))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt
pow1 unpow-prod-down sqrt-prod
pow-unpow
add-exp-log
pow-pow add-cbrt-cube add-log-exp
unpow-prod-up sqrt-pow1 pow1/2
pow-to-exp sub-neg rem-sqrt-square pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
3 → 48
Calls
3 calls:
15.0ms
(pow (sqrt (atan2 b b)) (- b a))
20.0ms
(sin (pow (sqrt (atan2 b b)) (- b a)))
6.0ms
(sqrt (atan2 b b))

series156.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(pow (sqrt (atan2 b b)) (- b a))
93.0ms
(sin (pow (sqrt (atan2 b b)) (- b a)))
22.0ms
(sqrt (atan2 b b))

simplify3.1s

Counts
57 → 57
Iterations

Useful iterations: 3 (284.0ms)

IterNodesCost
075614
1147571
2337536
3843527
42738527
done5000527

prune210.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 2 expressions with local error:

0.0b
(pow (atan2 b b) (* (- b a) 1/2))
0.2b
(sin (pow (atan2 b b) (* (- b a) 1/2)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt unpow-prod-down *-un-lft-identity
add-cbrt-cube add-log-exp
pow-to-exp pow-unpow pow-pow pow-exp sqr-pow
Counts
2 → 22
Calls
2 calls:
8.0ms
(pow (atan2 b b) (* (- b a) 1/2))
21.0ms
(sin (pow (atan2 b b) (* (- b a) 1/2)))

series133.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(pow (atan2 b b) (* (- b a) 1/2))
98.0ms
(sin (pow (atan2 b b) (* (- b a) 1/2)))

simplify3.7s

Counts
28 → 28
Iterations

Useful iterations: done (3.7s)

IterNodesCost
056418
1123398
2313360
3877318
43082317
done5000315

prune110.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (* (cos 1) (log (sqrt (atan2 b b)))) (- b a))
1.0b
(sqrt (atan2 b b))
1.0b
(* (cos 1) (log (sqrt (atan2 b b))))
2.0b
(log (sqrt (atan2 b b)))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
18×log-prod
16×pow1 *-un-lft-identity
14×add-cube-cbrt
12×add-exp-log sqrt-prod
11×associate-*r* add-cbrt-cube
distribute-rgt-in distribute-lft-in
log-pow
associate-*l* pow-prod-down prod-exp cbrt-unprod add-log-exp
sqrt-pow1 pow1/2
sub-neg associate-*r/ *-commutative
rem-sqrt-square flip3-- rem-log-exp flip-- distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 89
Calls
4 calls:
65.0ms
(* (* (cos 1) (log (sqrt (atan2 b b)))) (- b a))
1.0ms
(sqrt (atan2 b b))
13.0ms
(* (cos 1) (log (sqrt (atan2 b b))))
2.0ms
(log (sqrt (atan2 b b)))

series593.0ms

Counts
4 → 12
Calls
4 calls:
243.0ms
(* (* (cos 1) (log (sqrt (atan2 b b)))) (- b a))
12.0ms
(sqrt (atan2 b b))
210.0ms
(* (cos 1) (log (sqrt (atan2 b b))))
128.0ms
(log (sqrt (atan2 b b)))

simplify2.6s

Counts
101 → 101
Iterations

Useful iterations: 2 (195.0ms)

IterNodesCost
01191237
12401183
28421012
330491012
done50001012

prune294.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize34.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (cos 1) (log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))))))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
2.0b
(log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b)))))

rewrite127.0ms

Algorithm
rewrite-expression-head
Rules
66×sqrt-pow1
56×pow1
44×log-pow
34×pow1/2
25×associate-*r*
18×pow-prod-up
12×add-sqr-sqrt
11×pow-prod-down
10×pow-sqr
add-exp-log
add-cube-cbrt *-un-lft-identity
sqrt-prod add-cbrt-cube
add-log-exp
log-prod associate-*l*
pow2 rem-sqrt-square pow-plus rem-log-exp prod-exp
distribute-rgt-in distribute-lft-in *-commutative cbrt-unprod unswap-sqr
Counts
4 → 100
Calls
4 calls:
82.0ms
(* (cos 1) (log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))))))
2.0ms
(sqrt (atan2 b b))
3.0ms
(sqrt (atan2 b b))
36.0ms
(log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b)))))

series332.0ms

Counts
4 → 12
Calls
4 calls:
222.0ms
(* (cos 1) (log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b))))))
15.0ms
(sqrt (atan2 b b))
12.0ms
(sqrt (atan2 b b))
83.0ms
(log (* (sqrt (sqrt (atan2 b b))) (sqrt (sqrt (atan2 b b)))))

simplify2.6s

Counts
112 → 112
Iterations

Useful iterations: 2 (113.0ms)

IterNodesCost
0931083
1173699
2481647
32510647
done5002647

prune422.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.2b

regimes47.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0810
1910
done910

end0.0ms

sample5.4s

Algorithm
intervals
Results
2.6s1799×body10240exit
1.2s9789×body80nan
1.1s7992×body80valid
7.0msbody5120valid
4.0msbody2560valid
1.0msbody160valid