Details

Time bar (total: 8.1s)

sample27.0ms

Algorithm
intervals
Results
14.0ms102×body1280valid
4.0ms122×body80valid
3.0ms25×body640valid
0.0msbody320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
0.5b
(- (atan (+ N 1.0)) (atan N))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 22
Calls
2 calls:
0.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

series16.0ms

Counts
2 → 6
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
15.0ms
(- (atan (+ N 1.0)) (atan N))

simplify1.0s

Counts
28 → 28
Iterations

Useful iterations: 4 (96.0ms)

IterNodesCost
040271
176259
2144245
3248241
4516239
51593239
done5001239

prune54.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.2b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
associate-*l/ add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 28
Calls
2 calls:
10.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series48.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(* (+ N 1.0) N)
2.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify1.5s

Counts
34 → 34
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
055317
1120312
2351264
31402264
done5000264

prune67.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))
0.3b
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 95
Calls
4 calls:
2.0ms
(cbrt (+ N 1.0))
2.0ms
(cbrt (+ N 1.0))
2.0ms
(cbrt (+ N 1.0))
21.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))

series379.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(cbrt (+ N 1.0))
89.0ms
(cbrt (+ N 1.0))
90.0ms
(cbrt (+ N 1.0))
109.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))

simplify2.0s

Counts
107 → 107
Iterations

Useful iterations: 3 (641.0ms)

IterNodesCost
01391485
13071358
29101288
337071148
done50001148

prune282.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ N 1.0))
0.3b
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
0.3b
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
15.9b
(cbrt (- (* N N) (* 1.0 1.0)))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
108×cbrt-prod
80×*-un-lft-identity
72×add-sqr-sqrt
56×times-frac
48×add-cube-cbrt
20×cbrt-div
18×difference-of-squares
11×pow1
swap-sqr
add-exp-log pow1/3 associate-/r* distribute-lft-out--
flip3-+ associate-*r* associate-*l* flip-+ distribute-lft-out associate-/l*
frac-times add-cbrt-cube add-log-exp unswap-sqr
flip3-- flip--
associate-*r/ pow-prod-down associate-*l/ associate-/r/ pow-sqr pow-prod-up associate-/l/
cbrt-undiv pow2 frac-2neg pow-plus div-exp prod-exp clear-num *-commutative cbrt-unprod div-inv
Counts
4 → 168
Calls
4 calls:
2.0ms
(cbrt (+ N 1.0))
21.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
15.0ms
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
3.0ms
(cbrt (- (* N N) (* 1.0 1.0)))

series515.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(cbrt (+ N 1.0))
104.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
129.0ms
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
192.0ms
(cbrt (- (* N N) (* 1.0 1.0)))

simplify759.0ms

Counts
180 → 180
Iterations

Useful iterations: 2 (252.0ms)

IterNodesCost
03153526
16453258
220603152
done50013152

prune571.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

regimes26.0ms

Accuracy

0% (0.2b remaining)

Error of 0.5b against oracle of 0.3b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01831
12531
done2531

end0.0ms

sample696.0ms

Algorithm
intervals
Results
369.0ms2906×body1280valid
119.0ms4030×body80valid
71.0ms598×body640valid
28.0ms317×body320valid
9.0ms149×body160valid