Details

Time bar (total: 10.4s)

sample42.0ms

Algorithm
intervals
Results
25.0ms108×body1280valid
4.0ms116×body80valid
3.0ms24×body640valid
0.0msbody320valid
0.0msbody160valid

simplify14.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.0b

localize7.0ms

Local error

Found 1 expressions with local error:

1.2b
(- (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 sub-neg flip3-- diff-log diff-atan add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 15
Calls
1 calls:
7.0ms
(- (atan (+ N 1.0)) (atan N))

series16.0ms

Counts
1 → 3
Calls
1 calls:
16.0ms
(- (atan (+ N 1.0)) (atan N))

simplify950.0ms

Counts
18 → 18

prune46.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite23.0ms

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:
22.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series56.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* (+ N 1.0) N)
4.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify564.0ms

Counts
34 → 34

prune59.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.4b

localize12.0ms

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))))

rewrite54.0ms

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))
42.0ms
(* (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))))

series297.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(cbrt (+ N 1.0))
93.0ms
(cbrt (+ N 1.0))
108.0ms
(* (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))))

simplify1.7s

Counts
100 → 100

prune260.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.4b

localize11.0ms

Local error

Found 4 expressions with local error:

0.4b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.5b
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
19.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
19.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite18.0ms

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)))
13.0ms
(* (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))))

series63.0ms

Counts
4 → 12
Calls
4 calls:
6.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
7.0ms
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
27.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
23.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify4.6s

Counts
94 → 94

prune141.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.3b

regimes17.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify24.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
598.0ms2872×body1280valid
453.0ms625×body640valid
197.0ms4058×body80valid
34.0ms290×body320valid
13.0ms155×body160valid