Details

Time bar (total: 9.5s)

sample41.0ms

Algorithm
intervals
Results
19.0ms86×body1280valid
7.0ms137×body80valid
4.0ms21×body640valid
1.0ms10×body320valid
0.0msbody160valid

simplify19.0ms

Counts
1 → 1

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.2b

localize21.0ms

Local error

Found 1 expressions with local error:

1.0b
(- (atan (+ N 1)) (atan N))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 sub-neg flip3-- add-cbrt-cube diff-log diff-atan add-exp-log add-cube-cbrt insert-posit16 flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 16
Calls
1 calls:
Slowest
4.0ms
(- (atan (+ N 1)) (atan N))

series20.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
20.0ms
(- (atan (+ N 1)) (atan N))

simplify2.1s

Counts
19 → 19

prune164.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube associate-*l* add-exp-log add-cube-cbrt
associate-*r*
associate-*l/ insert-posit16 add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 30
Calls
2 calls:
Slowest
25.0ms
(* (+ N 1) N)
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series52.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
47.0ms
(* (+ N 1) N)
4.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify1.0s

Counts
36 → 36

prune248.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.4b

localize30.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt N)
0.6b
(cbrt N)
0.6b
(cbrt N)
0.5b
(* (cbrt N) (cbrt N))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 77
Calls
4 calls:
Slowest
17.0ms
(* (cbrt N) (cbrt N))
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(cbrt N)

series943.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
255.0ms
(cbrt N)
239.0ms
(* (cbrt N) (cbrt N))
225.0ms
(cbrt N)
224.0ms
(cbrt N)

simplify1.0s

Counts
89 → 89

prune692.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.4b

localize21.0ms

Local error

Found 4 expressions with local error:

31.7b
(cbrt (* N N))
0.6b
(cbrt N)
0.4b
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))
0.2b
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log
cbrt-prod add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-cbrt-cube associate-*r*
associate-*l/ insert-posit16 add-log-exp
pow-prod-down prod-exp cbrt-unprod
pow1/3
flip3-+ associate-*l* *-commutative flip-+
Counts
4 → 54
Calls
4 calls:
Slowest
38.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
3.0ms
(cbrt (* N N))
1.0ms
(cbrt N)
0.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))

series467.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
201.0ms
(cbrt (* N N))
198.0ms
(cbrt N)
62.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
5.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))

simplify578.0ms

Counts
66 → 66

prune452.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

regimes27.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
988.0ms2872×body1280valid
236.0ms3990×body80valid
137.0ms658×body640valid
43.0ms322×body320valid
15.0ms158×body160valid