Details

Time bar (total: 11.3s)

sample38.0ms

Algorithm
intervals
Results
17.0ms79×body1280valid
7.0ms135×body80valid
4.0ms22×body640valid
2.0ms14×body320valid
1.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.4b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
1.8b
(- (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))
4.0ms
(- (atan (+ N 1)) (atan N))

series14.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
12.0ms
(- (atan (+ N 1)) (atan N))

simplify1.8s

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

prune106.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1) N)
0.2b
(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite17.0ms

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:
16.0ms
(* (+ N 1) N)
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series72.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(* (+ N 1) N)
2.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify2.7s

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

prune146.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ N (* N N))
0.2b
(atan2 1 (+ 1 (+ N (* N N))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
*-un-lft-identity
add-sqr-sqrt pow1 add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
+-commutative sum-log flip3-+ distribute-rgt-out distribute-rgt1-in flip-+
Counts
2 → 22
Calls
2 calls:
6.0ms
(+ N (* N N))
0.0ms
(atan2 1 (+ 1 (+ N (* N N))))

series53.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(+ N (* N N))
3.0ms
(atan2 1 (+ 1 (+ N (* N N))))

simplify1.1s

Counts
28 → 28
Iterations
IterNodes
done5000
31310
2322
1101
043

prune89.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(atan2 1 (+ 1 (+ N (* N N))))
0.6b
(* (sqrt (atan2 1 (+ 1 (+ N (* N N))))) (sqrt (atan2 1 (+ 1 (+ N (* N N))))))
12.5b
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))
12.5b
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))

rewrite11.0ms

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 (* N N))))
9.0ms
(* (sqrt (atan2 1 (+ 1 (+ N (* N N))))) (sqrt (atan2 1 (+ 1 (+ N (* N N))))))
1.0ms
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))
1.0ms
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))

series42.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (+ 1 (+ N (* N N))))
3.0ms
(* (sqrt (atan2 1 (+ 1 (+ N (* N N))))) (sqrt (atan2 1 (+ 1 (+ N (* N N))))))
14.0ms
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))
22.0ms
(sqrt (atan2 1 (+ 1 (+ N (* N N)))))

simplify3.1s

Counts
98 → 98
Iterations
IterNodes
done5002
54086
41034
3482
2243
1128
065

prune221.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

regimes66.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done10
110
06

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.0s2805×body1280valid
255.0ms4054×body80valid
146.0ms652×body640valid
46.0ms336×body320valid
15.0ms153×body160valid