Details

Time bar (total: 18.7s)

sample21.0ms

Algorithm
intervals
Results
7.0ms256×body80valid
4.0ms218×body80nan

simplify1.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
045
done45

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize5.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ a (- (acos a)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
30×times-frac
24×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×distribute-lft-neg-in distribute-rgt-neg-in
10×associate-/r*
neg-mul-1
add-exp-log add-cbrt-cube associate-/l*
pow1 cbrt-undiv frac-2neg div-exp clear-num div-inv add-log-exp
Counts
1 → 55
Calls
1 calls:
7.0ms
(/ a (- (acos a)))

series27.0ms

Counts
1 → 3
Calls
1 calls:
27.0ms
(/ a (- (acos a)))

simplify4.9s

Counts
58 → 58
Iterations

Useful iterations: 5 (1.9s)

IterNodesCost
094601
1164569
2334551
3587551
41101551
52149546
done5000546

prune112.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (acos a) (- a))
0.3b
(/ 1 (/ (acos a) (- a)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
252×times-frac
140×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
48×distribute-lft-neg-in distribute-rgt-neg-in
44×associate-/r*
16×neg-mul-1
15×add-exp-log
add-cbrt-cube
div-exp
div-inv associate-/l*
cbrt-undiv
pow1
rec-exp frac-2neg 1-exp clear-num add-log-exp
acos-asin pow-flip div-sub associate-/r/ inv-pow
Counts
2 → 216
Calls
2 calls:
8.0ms
(/ (acos a) (- a))
16.0ms
(/ 1 (/ (acos a) (- a)))

series96.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (acos a) (- a))
51.0ms
(/ 1 (/ (acos a) (- a)))

simplify2.4s

Counts
222 → 222
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02933186
16112657
211352356
327522260
done50002260

prune374.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ PI (* a -2)) (/ (asin a) (- a)))
0.3b
(/ PI (* a -2))
0.3b
(/ 1 (- (/ PI (* a -2)) (/ (asin a) (- a))))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
26×*-un-lft-identity times-frac
16×add-cube-cbrt
12×add-exp-log
10×add-cbrt-cube difference-of-squares
associate-/r*
associate-/l*
distribute-lft-out-- add-log-exp
pow1 div-exp
cbrt-undiv associate-/r/
flip3-- frac-2neg clear-num frac-sub flip-- div-inv
sub-neg rec-exp asin-acos pow-flip diff-log 1-exp div-sub prod-exp cbrt-unprod inv-pow associate--r-
Counts
3 → 84
Calls
3 calls:
52.0ms
(- (/ PI (* a -2)) (/ (asin a) (- a)))
8.0ms
(/ PI (* a -2))
70.0ms
(/ 1 (- (/ PI (* a -2)) (/ (asin a) (- a))))

series279.0ms

Counts
3 → 9
Calls
3 calls:
115.0ms
(- (/ PI (* a -2)) (/ (asin a) (- a)))
39.0ms
(/ PI (* a -2))
125.0ms
(/ 1 (- (/ PI (* a -2)) (/ (asin a) (- a))))

simplify2.1s

Counts
93 → 93
Iterations

Useful iterations: 3 (828.0ms)

IterNodesCost
01541530
13261423
27621330
323491320
done50001320

prune260.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (/ 1 (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))) (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a)))))
0.5b
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
0.5b
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
0.5b
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))

rewrite480.0ms

Algorithm
rewrite-expression-head
Rules
644×times-frac
577×add-sqr-sqrt
408×cbrt-prod
373×*-un-lft-identity
237×add-cube-cbrt
136×difference-of-squares
68×distribute-lft-out--
42×cbrt-div
34×associate-/l*
33×associate-/r/
14×flip3-- frac-sub flip--
13×add-exp-log
11×div-inv
associate-/r*
pow1
div-exp add-cbrt-cube
pow1/3
add-log-exp
cbrt-undiv pow-div
pow-flip
rec-exp frac-2neg 1-exp clear-num associate-/l/ inv-pow
Counts
4 → 423
Calls
4 calls:
261.0ms
(/ (/ 1 (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))) (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a)))))
59.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
44.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
37.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))

series1.5s

Counts
4 → 12
Calls
4 calls:
439.0ms
(/ (/ 1 (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))) (cbrt (- (/ PI (* a -2)) (/ (asin a) (- a)))))
336.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
408.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))
362.0ms
(cbrt (- (/ PI (* a -2)) (/ (asin a) (- a))))

simplify3.1s

Counts
435 → 435
Iterations

Useful iterations: done (3.1s)

IterNodesCost
056621415
1127520223
2189019858
3404019319
done500017563

prune1.2s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0b

regimes78.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
045
done45

end0.0ms

sample1.5s

Algorithm
intervals
Results
652.0ms8039×body80nan
392.0ms8000×body80valid