Details

Time bar (total: 23.3s)

sample24.0ms

Algorithm
intervals
Results
7.0ms256×body80valid
5.0ms288×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: 0.3b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite10.0ms

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:
7.0ms
(/ a (- (acos a)))

series31.0ms

Counts
1 → 3
Calls
1 calls:
31.0ms
(/ a (- (acos a)))

simplify4.9s

Counts
60 → 60
Iterations

Useful iterations: 5 (1.9s)

IterNodesCost
096613
1166581
2333563
3587563
41105563
52150558
done5001558

prune183.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

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

rewrite40.0ms

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:
17.0ms
(/ 1 (- (/ (acos a) a)))
6.0ms
(/ (acos a) a)

series77.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ 1 (- (/ (acos a) a)))
41.0ms
(/ (acos a) a)

simplify6.5s

Counts
178 → 178
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02652409
14722004
27821861
315341711
427841711
done50001711

prune347.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (/ (acos a) a))
0.5b
(cbrt (/ (acos a) a))
0.5b
(cbrt (/ (acos a) a))
0.6b
(* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
103×cbrt-prod
81×add-sqr-sqrt
69×times-frac
57×add-cube-cbrt *-un-lft-identity
16×swap-sqr associate-*r* associate-*l*
11×pow1
pow1/3 unswap-sqr
cbrt-div div-inv
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 152
Calls
4 calls:
2.0ms
(cbrt (/ (acos a) a))
2.0ms
(cbrt (/ (acos a) a))
2.0ms
(cbrt (/ (acos a) a))
57.0ms
(* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))

series1.0s

Counts
4 → 12
Calls
4 calls:
267.0ms
(cbrt (/ (acos a) a))
190.0ms
(cbrt (/ (acos a) a))
280.0ms
(cbrt (/ (acos a) a))
279.0ms
(* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))

simplify3.1s

Counts
164 → 164
Iterations

Useful iterations: done (3.1s)

IterNodesCost
01642249
12772118
26902038
313141930
432181798
done50001664

prune625.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (/ (cbrt (acos a)) a)) (cbrt (/ (cbrt (acos a)) a)))
1.0b
(cbrt (acos a))
1.0b
(cbrt (acos a))
1.0b
(* (cbrt (pow (acos a) 2/3)) (cbrt (pow (acos a) 2/3)))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
214×cbrt-prod
146×add-sqr-sqrt
88×times-frac
74×add-cube-cbrt *-un-lft-identity
35×swap-sqr associate-*r* associate-*l*
32×unswap-sqr
20×unpow-prod-down
18×pow1
14×pow1/3
12×sqr-pow
add-exp-log
expm1-log1p-u cbrt-div pow-prod-down pow-sqr pow-prod-up add-cbrt-cube log1p-expm1-u div-inv add-log-exp
pow2 pow-plus prod-exp *-commutative cbrt-unprod
frac-times associate-*r/ associate-*l/
Counts
4 → 206
Calls
4 calls:
49.0ms
(* (cbrt (/ (cbrt (acos a)) a)) (cbrt (/ (cbrt (acos a)) a)))
1.0ms
(cbrt (acos a))
1.0ms
(cbrt (acos a))
24.0ms
(* (cbrt (pow (acos a) 2/3)) (cbrt (pow (acos a) 2/3)))

series1.2s

Counts
4 → 12
Calls
4 calls:
536.0ms
(* (cbrt (/ (cbrt (acos a)) a)) (cbrt (/ (cbrt (acos a)) a)))
183.0ms
(cbrt (acos a))
194.0ms
(cbrt (acos a))
257.0ms
(* (cbrt (pow (acos a) 2/3)) (cbrt (pow (acos a) 2/3)))

simplify2.9s

Counts
218 → 218
Iterations

Useful iterations: done (2.9s)

IterNodesCost
02723746
14133383
210653102
324062971
done50002960

prune1.1s

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 0.0b

regimes117.0ms

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

sample922.0ms

Algorithm
intervals
Results
398.0ms8000×body80valid
176.0ms8037×body80nan