Details

Time bar (total: 8.9s)

sample67.0ms

Algorithm
intervals
Results
35.0ms89×body1280valid
11.0ms134×body80valid
6.0ms17×body640valid
3.0ms12×body320valid
1.0msbody160valid

simplify20.0ms

Counts
1 → 1

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.1b

localize22.0ms

Local error

Found 1 expressions with local error:

0.9b
(- (atan (+ N 1)) (atan N))

rewrite9.0ms

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
8.0ms
(- (atan (+ N 1)) (atan N))

series19.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
19.0ms
(- (atan (+ N 1)) (atan N))

simplify790.0ms

Counts
23 → 19

prune208.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.4b

localize24.0ms

Local error

Found 2 expressions with local error:

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

rewrite30.0ms

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
29.0ms
(* (+ N 1) N)
1.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series61.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
56.0ms
(* (+ N 1) N)
4.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify1.0s

Counts
36 → 36

prune277.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.4b

localize26.0ms

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))

rewrite11.0ms

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
8.0ms
(* (cbrt N) (cbrt N))
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(cbrt N)

series1.2s

Counts
4 → 12
Calls
4 calls:
Slowest
333.0ms
(cbrt N)
301.0ms
(* (cbrt N) (cbrt N))
266.0ms
(cbrt N)
254.0ms
(cbrt N)

simplify351.0ms

Counts
103 → 89

prune770.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize44.0ms

Local error

Found 4 expressions with local error:

30.4b
(cbrt (* N N))
0.6b
(cbrt N)
0.4b
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))
0.3b
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))

rewrite62.0ms

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
53.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
6.0ms
(cbrt (* N N))
1.0ms
(cbrt N)
0.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))

series679.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
292.0ms
(cbrt (* N N))
285.0ms
(cbrt N)
92.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
9.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))

simplify815.0ms

Counts
67 → 66

prune532.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

regimes38.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.8s

Algorithm
intervals
Results
843.0ms2839×body1280valid
604.0ms4066×body80valid
161.0ms627×body640valid
90.0ms323×body320valid
16.0ms145×body160valid