Details

Time bar (total: 12.5s)

sample42.0ms

Algorithm
intervals
Results
22.0ms92×body1280valid
7.0ms126×body80valid
4.0ms22×body640valid
1.0msbody320valid
1.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.0b

localize31.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
2.3b
(- (atan (+ N 1)) (atan N))

rewrite6.0ms

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:
1.0ms
(atan (+ N 1))
5.0ms
(- (atan (+ N 1)) (atan N))

series14.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
13.0ms
(- (atan (+ N 1)) (atan N))

simplify2.1s

Counts
30 → 30
Iterations
IterNodes
done5000
52018
4719
3313
2151
177
041

prune95.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize22.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

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:
20.0ms
(* (+ N 1) N)
1.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series62.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(* (+ N 1) N)
3.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify3.1s

Counts
36 → 36
Iterations
IterNodes
done5008
42728
3706
2266
1121
055

prune167.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 2 expressions with local error:

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

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube associate-*r* add-exp-log add-cube-cbrt
associate-*l*
associate-*r/ insert-posit16 add-log-exp
distribute-rgt-in distribute-lft-in flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 32
Calls
2 calls:
14.0ms
(* N (+ N 1))
0.0ms
(atan2 1 (+ 1 (* N (+ N 1))))

series57.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(* N (+ N 1))
3.0ms
(atan2 1 (+ 1 (* N (+ N 1))))

simplify1.9s

Counts
38 → 38
Iterations
IterNodes
done5733
32512
2504
1149
056

prune168.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
17.0b
(cbrt (* (+ N 1) N))
17.0b
(cbrt (* (+ N 1) N))
17.0b
(cbrt (* (+ N 1) N))

rewrite68.0ms

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:
36.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
10.0ms
(cbrt (* (+ N 1) N))
11.0ms
(cbrt (* (+ N 1) N))
9.0ms
(cbrt (* (+ N 1) N))

series250.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
55.0ms
(cbrt (* (+ N 1) N))
67.0ms
(cbrt (* (+ N 1) N))
64.0ms
(cbrt (* (+ N 1) N))

simplify2.3s

Counts
88 → 88
Iterations
IterNodes
done5006
32993
2952
1345
0138

prune346.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

regimes32.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done11
111
06

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.0s2732×body1280valid
254.0ms4134×body80valid
154.0ms648×body640valid
59.0ms318×body320valid
22.0ms168×body160valid