Details

Time bar (total: 2.2s)

sample24.0ms

Algorithm
intervals
Results
10.0ms72×body1280valid
5.0ms150×body80valid
2.0ms19×body640valid
1.0msbody320valid
0.0msbody160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.5b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.5b
(- (atan (+ N 1.0)) (atan N))

rewrite3.0ms

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))
2.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

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

simplify74.0ms

Algorithm
egg-herbie
Counts
28 → 28
Iterations

Useful iterations: 3 (10.0ms)

IterNodesCost
075154
1145145
2289143
3681142
42491142
55001142

prune52.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.3b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite10.0ms

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:
9.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series49.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(* (+ N 1.0) N)
6.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify54.0ms

Algorithm
egg-herbie
Counts
34 → 34
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
0121151
1432127
22321127
35002127

prune58.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
12.6b
(cbrt (* (+ N 1.0) N))
12.6b
(cbrt (* (+ N 1.0) N))
12.6b
(cbrt (* (+ N 1.0) N))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
18×cbrt-div
11×pow1
10×add-sqr-sqrt
flip3-+ pow1/3 flip-+
add-cube-cbrt *-un-lft-identity
cbrt-prod
add-exp-log
frac-times swap-sqr associate-*r* associate-*l* add-cbrt-cube add-log-exp
associate-*r/ pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 72
Calls
4 calls:
9.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
3.0ms
(cbrt (* (+ N 1.0) N))
3.0ms
(cbrt (* (+ N 1.0) N))
7.0ms
(cbrt (* (+ N 1.0) N))

series438.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
101.0ms
(cbrt (* (+ N 1.0) N))
102.0ms
(cbrt (* (+ N 1.0) N))
103.0ms
(cbrt (* (+ N 1.0) N))

simplify43.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0353803
11280743
25001669

prune244.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.3b

localize8.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.7b
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
12.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
12.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×add-cube-cbrt *-un-lft-identity
10×sqrt-pow1 pow1/2
swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 82
Calls
4 calls:
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
6.0ms
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series35.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
3.0ms
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
14.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
15.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify105.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 3 (96.0ms)

IterNodesCost
0110649
1391565
22248539
35001520

prune126.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.3b

regimes23.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0124
1124

end0.0ms

sample741.0ms

Algorithm
intervals
Results
391.0ms2795×body1280valid
131.0ms4075×body80valid
78.0ms661×body640valid
26.0ms301×body320valid
11.0ms168×body160valid