Details

Time bar (total: 3.1s)

sample27.0ms

Algorithm
intervals
Results
12.0ms86×body1280valid
4.0ms132×body80valid
3.0ms26×body640valid
1.0msbody320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.7b
(- (atan (+ N 1.0)) (atan N))

rewrite7.0ms

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:
1.0ms
(atan (+ N 1.0))
5.0ms
(- (atan (+ N 1.0)) (atan N))

series14.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
12.0ms
(- (atan (+ N 1.0)) (atan N))

simplify74.0ms

Counts
28 → 28
Iterations

Useful iterations: 3 (10.0ms)

IterNodesCost
075154
1145145
2289143
3681142
42491142
55001142
done5001142

prune52.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (* (+ N 1.0) N))
0.0b
(* (+ N 1.0) N)
0.4b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube add-log-exp
associate-*l*
associate-*r*
flip3-+ associate-*l/ flip-+
+-commutative pow-prod-down prod-exp sum-log *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 39
Calls
3 calls:
9.0ms
(+ 1 (* (+ N 1.0) N))
20.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series64.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(+ 1 (* (+ N 1.0) N))
42.0ms
(* (+ N 1.0) N)
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify111.0ms

Counts
48 → 48
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0177222
1766193
24572193
35001193
done5001193

prune88.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.4b

localize10.0ms

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)) (cbrt (+ N 1.0)))
0.4b
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
32×cbrt-prod *-un-lft-identity
22×add-sqr-sqrt
16×cbrt-div
14×add-cube-cbrt
11×pow1
swap-sqr
flip3-+ pow1/3 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 → 88
Calls
4 calls:
4.0ms
(cbrt (+ N 1.0))
4.0ms
(cbrt (+ N 1.0))
39.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
0.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

series272.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(cbrt (+ N 1.0))
85.0ms
(cbrt (+ N 1.0))
97.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
4.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

simplify157.0ms

Counts
100 → 100
Iterations

Useful iterations: 3 (149.0ms)

IterNodesCost
0330806
11079745
24794696
35001692
done5001692

prune256.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
0.3b
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
0.4b
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0))) N))))
14.7b
(cbrt (- (* N N) (* 1.0 1.0)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
104×cbrt-prod
77×*-un-lft-identity
71×add-sqr-sqrt
56×times-frac
47×add-cube-cbrt
18×cbrt-div difference-of-squares
11×pow1
swap-sqr
add-exp-log associate-/r* distribute-lft-out--
pow1/3 associate-*r* associate-*l* associate-/l*
flip3-+ flip-+ distribute-lft-out
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 → 161
Calls
4 calls:
23.0ms
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
38.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
0.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0))) N))))
6.0ms
(cbrt (- (* N N) (* 1.0 1.0)))

series407.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0)))
98.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
9.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (/ (cbrt (- (* N N) (* 1.0 1.0))) (cbrt (- N 1.0))) N))))
187.0ms
(cbrt (- (* N N) (* 1.0 1.0)))

simplify78.0ms

Counts
173 → 173
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
06552009
124351922
250021848
done50021848

prune519.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.4b

regimes22.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0124
1124
done124

end0.0ms

sample780.0ms

Algorithm
intervals
Results
395.0ms2871×body1280valid
130.0ms3990×body80valid
73.0ms649×body640valid
29.0ms324×body320valid
11.0ms166×body160valid