Details

Time bar (total: 13.2s)

sample17.0ms

Algorithm
intervals
Results
5.0ms256×body80valid
3.0ms232×body80nan

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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)))

rewrite6.0ms

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:
4.0ms
(/ a (- (acos a)))

series25.0ms

Counts
1 → 3
Calls
1 calls:
25.0ms
(/ a (- (acos a)))

simplify2.8s

Counts
60 → 60
Iterations

Useful iterations: 4 (835.0ms)

IterNodesCost
096613
1169581
2480561
31406557
43300556
done5001556

prune129.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- (acos a)) a)
0.3b
(/ 1 (/ (- (acos a)) a))

rewrite30.0ms

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
37×associate-/r*
16×neg-mul-1
15×add-exp-log
13×associate-/l*
add-cbrt-cube
div-exp
div-inv
cbrt-undiv
pow1
expm1-log1p-u rec-exp frac-2neg 1-exp clear-num log1p-expm1-u add-log-exp
neg-sub0 pow-flip div-sub distribute-frac-neg associate-/r/ inv-pow
Counts
2 → 221
Calls
2 calls:
4.0ms
(/ (- (acos a)) a)
11.0ms
(/ 1 (/ (- (acos a)) a))

series61.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(/ (- (acos a)) a)
25.0ms
(/ 1 (/ (- (acos a)) a))

simplify1.8s

Counts
227 → 227
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02923194
16742774
223022325
done50002314

prune304.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
46×add-exp-log
21×add-sqr-sqrt
18×div-exp
16×prod-exp add-cbrt-cube
15×*-un-lft-identity
14×add-cube-cbrt times-frac
13×associate-*r*
10×associate-*l*
rec-exp 1-exp
pow1
cbrt-undiv
cbrt-unprod
distribute-lft-neg-in distribute-rgt-neg-in associate-/l* unswap-sqr
expm1-log1p-u pow-flip associate-*r/ pow-prod-down associate-/r/ un-div-inv log1p-expm1-u div-inv add-log-exp
distribute-lft-neg-out neg-mul-1 frac-2neg clear-num associate-/r* *-commutative inv-pow
Counts
2 → 88
Calls
2 calls:
10.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))
12.0ms
(* (- (acos a)) (/ 1 a))

series65.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ 1 (* (- (acos a)) (/ 1 a)))
36.0ms
(* (- (acos a)) (/ 1 a))

simplify3.4s

Counts
94 → 94
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
0129968
1363741
21294559
33276553
done5000553

prune139.0ms

Pruning

14 alts after pruning (11 fresh and 3 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ -1 (acos a))
0.4b
(/ (/ -1 (acos a)) (/ 1 a))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
430×times-frac
206×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
30×div-inv
26×add-exp-log
17×div-exp
16×associate-/r* add-cbrt-cube associate-/l*
cbrt-undiv
pow1 expm1-log1p-u rec-exp frac-2neg 1-exp clear-num log1p-expm1-u add-log-exp
associate-/r/ associate-/l/
Counts
2 → 250
Calls
2 calls:
2.0ms
(/ -1 (acos a))
12.0ms
(/ (/ -1 (acos a)) (/ 1 a))

series32.0ms

Counts
2 → 6
Calls
2 calls:
6.0ms
(/ -1 (acos a))
26.0ms
(/ (/ -1 (acos a)) (/ 1 a))

simplify3.5s

Counts
256 → 256
Iterations

Useful iterations: 2 (528.0ms)

IterNodesCost
04184766
112214123
248213396
done50003396

prune332.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0b

regimes65.0ms

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

sample452.0ms

Algorithm
intervals
Results
164.0ms8000×body80valid
111.0ms8120×body80nan