Details

Time bar (total: 12.1s)

sample50.0ms

Algorithm
intervals
Results
27.0ms97×body1280valid
8.0ms133×body80valid
5.0ms21×body640valid
1.0msbody320valid
0.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.3b

localize39.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
0.7b
(- (atan (+ N 1)) (atan N))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
2.0ms
(atan (+ N 1))
10.0ms
(- (atan (+ N 1)) (atan N))

series24.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
22.0ms
(- (atan (+ N 1)) (atan N))

simplify2.5s

Counts
30 → 30
Iterations
IterNodes
65474
51652
4618
3287
2149
175
041

prune283.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize26.0ms

Local error

Found 2 expressions with local error:

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

rewrite18.0ms

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:
17.0ms
(* (+ N 1) N)
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series63.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(* (+ N 1) N)
3.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify2.1s

Counts
36 → 36
Iterations
IterNodes
43175
3832
2305
1119
055

prune274.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize22.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
17.5b
(cbrt (* (+ N 1) N))
17.5b
(cbrt (* (+ N 1) N))
17.5b
(cbrt (* (+ N 1) N))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
18×cbrt-div
11×pow1
10×add-sqr-sqrt
flip3-+ pow1/3 flip-+
*-un-lft-identity add-cube-cbrt
cbrt-prod
add-exp-log
frac-times add-cbrt-cube swap-sqr associate-*r* associate-*l* insert-posit16 add-log-exp
pow-prod-down associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
17.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
5.0ms
(cbrt (* (+ N 1) N))
5.0ms
(cbrt (* (+ N 1) N))
5.0ms
(cbrt (* (+ N 1) N))

series261.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
63.0ms
(cbrt (* (+ N 1) N))
57.0ms
(cbrt (* (+ N 1) N))
65.0ms
(cbrt (* (+ N 1) N))

simplify991.0ms

Counts
88 → 88
Iterations
IterNodes
32145
2916
1325
0138

prune796.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1 (+ 1 (* (+ N 1) N)))
0.6b
(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
16.6b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
16.6b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×*-un-lft-identity add-cube-cbrt
10×sqrt-pow1 pow1/2
swap-sqr
add-cbrt-cube associate-*r* associate-*l* add-exp-log
pow-prod-up
insert-posit16 add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 rem-square-sqrt pow-plus sqrt-unprod prod-exp *-commutative cbrt-unprod
Counts
4 → 86
Calls
4 calls:
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
9.0ms
(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
4.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

series38.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
3.0ms
(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
14.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
19.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

simplify2.0s

Counts
98 → 98
Iterations
IterNodes
53261
4872
3416
2237
1123
065

prune693.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.2b

regimes35.0ms

Accuracy

0% (0.0b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
29
19
06

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.3s2859×body1280valid
265.0ms4124×body80valid
129.0ms584×body640valid
48.0ms295×body320valid
16.0ms138×body160valid