Details

Time bar (total: 24.0s)

sample40.0ms

Algorithm
intervals
Results
12.0ms256×body80valid
9.0ms270×body80nan

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
045
done45

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite20.0ms

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 expm1-log1p-u frac-2neg div-exp clear-num log1p-expm1-u div-inv add-log-exp
Counts
1 → 57
Calls
1 calls:
16.0ms
(/ a (- (acos a)))

series49.0ms

Counts
1 → 3
Calls
1 calls:
49.0ms
(/ a (- (acos a)))

simplify4.9s

Counts
60 → 60
Iterations

Useful iterations: 5 (2.0s)

IterNodesCost
096613
1166581
2333563
3587563
41105563
52150558
done5001558

prune176.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
171×times-frac
101×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
52×distribute-lft-neg-in distribute-rgt-neg-in
33×associate-/r*
10×div-inv
add-exp-log
add-cbrt-cube associate-/l*
neg-mul-1
pow1 div-exp
cbrt-undiv expm1-log1p-u frac-2neg clear-num log1p-expm1-u add-log-exp
acos-asin rec-exp pow-flip 1-exp div-sub associate-/r/ distribute-neg-frac inv-pow
Counts
2 → 172
Calls
2 calls:
31.0ms
(/ 1 (- (/ (acos a) a)))
11.0ms
(/ (acos a) a)

series94.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ 1 (- (/ (acos a) a)))
49.0ms
(/ (acos a) a)

simplify6.4s

Counts
178 → 178
Iterations

Useful iterations: 3 (620.0ms)

IterNodesCost
02652409
14722004
27821861
315341711
427841711
done50001711

prune370.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite568.0ms

Algorithm
rewrite-expression-head
Rules
1626×times-frac
1097×add-sqr-sqrt
980×*-un-lft-identity
908×add-cube-cbrt
559×prod-diff
124×div-inv
56×distribute-lft-neg-in distribute-rgt-neg-in
54×difference-of-squares
43×fma-neg
38×associate-/r*
36×distribute-lft-out--
19×associate-/l*
15×add-exp-log
13×add-cbrt-cube
distribute-rgt-out--
div-exp add-log-exp
pow1 cbrt-undiv
expm1-log1p-u neg-mul-1 associate-/r/ log1p-expm1-u distribute-neg-frac
frac-2neg clear-num
asin-acos flip3-- div-sub frac-sub flip-- sub-div
sub-neg rec-exp pow-flip diff-log 1-exp associate-/l/ inv-pow associate--r-
Counts
4 → 885
Calls
4 calls:
135.0ms
(- (/ (/ PI 2) a) (/ (asin a) a))
9.0ms
(/ (asin a) a)
271.0ms
(/ 1 (- (- (/ (/ PI 2) a) (/ (asin a) a))))
12.0ms
(/ (/ PI 2) a)

series409.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(- (/ (/ PI 2) a) (/ (asin a) a))
53.0ms
(/ (asin a) a)
181.0ms
(/ 1 (- (- (/ (/ PI 2) a) (/ (asin a) a))))
52.0ms
(/ (/ PI 2) a)

simplify3.2s

Counts
897 → 897
Iterations

Useful iterations: done (3.1s)

IterNodesCost
0107036729
1216032089
2418824236
done500024233

prune2.8s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (asin a) a)
0.0b
(- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))
0.3b
(/ 1 (- (- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))))
0.4b
(* (/ PI 2) (/ 1 a))

rewrite209.0ms

Algorithm
rewrite-expression-head
Rules
79×times-frac
75×add-sqr-sqrt
60×*-un-lft-identity
58×add-cube-cbrt
32×add-exp-log
20×add-cbrt-cube
16×distribute-lft-neg-in distribute-rgt-neg-in
15×associate-/r*
14×div-inv
13×associate-*r* associate-*l* prod-diff
11×div-exp
distribute-rgt-out--
prod-exp associate-/r/ frac-sub distribute-neg-frac
pow1
cbrt-undiv associate-/l* add-log-exp unswap-sqr
associate-*r/ un-div-inv
expm1-log1p-u neg-mul-1 cbrt-unprod log1p-expm1-u sub-div
frac-times rec-exp 1-exp associate-*l/
asin-acos flip3-- frac-2neg div-sub clear-num flip--
sub-neg pow-flip fma-neg diff-log pow-prod-down *-commutative inv-pow associate--r-
Counts
4 → 202
Calls
4 calls:
6.0ms
(/ (asin a) a)
34.0ms
(- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))
112.0ms
(/ 1 (- (- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))))
44.0ms
(* (/ PI 2) (/ 1 a))

series525.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(/ (asin a) a)
149.0ms
(- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))
219.0ms
(/ 1 (- (- (* (/ PI 2) (/ 1 a)) (/ (asin a) a))))
84.0ms
(* (/ PI 2) (/ 1 a))

simplify2.2s

Counts
214 → 214
Iterations

Useful iterations: done (2.2s)

IterNodesCost
03693676
18493002
221632642
done50002493

prune674.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

regimes92.0ms

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

sample1.1s

Algorithm
intervals
Results
357.0ms8000×body80valid
278.0ms7844×body80nan