Details

Time bar (total: 22.8s)

sample62.0ms

Algorithm
intervals
Results
30.0ms79×body1280valid
9.0ms134×body80valid
6.0ms26×body640valid
2.0ms11×body320valid
1.0msbody160valid

simplify34.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize71.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.9b
(- (atan (+ N 1.0)) (atan N))

rewrite17.0ms

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:
3.0ms
(atan (+ N 1.0))
13.0ms
(- (atan (+ N 1.0)) (atan N))

series46.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(atan (+ N 1.0))
38.0ms
(- (atan (+ N 1.0)) (atan N))

simplify8.8s

Counts
30 → 30
Iterations
IterNodes
done5001
64826
51486
4575
3276
2152
178
042

prune231.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.9b

localize37.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.9b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite51.0ms

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:
48.0ms
(* (+ N 1.0) N)
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series76.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(* (+ N 1.0) N)
9.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify3.2s

Counts
36 → 36
Iterations
IterNodes
done5000
31277
2340
1128
057

prune298.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.9b

localize83.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.9b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
13.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 44
Calls
4 calls:
2.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
2.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
3.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
3.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series127.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
20.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
43.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
46.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify3.5s

Counts
56 → 56
Iterations
IterNodes
done5004
72311
6986
5401
4178
3118
279
155
034

prune368.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.9b

localize110.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
13.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 50
Calls
4 calls:
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
3.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
3.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
3.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series123.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
37.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
40.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
36.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify3.2s

Counts
62 → 62
Iterations
IterNodes
done5004
72311
6986
5401
4178
3118
279
155
034

prune400.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.9b

regimes84.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done12
112
07

end0.0ms

sample1.8s

Algorithm
intervals
Results
909.0ms2937×body1280valid
282.0ms149×body160valid
226.0ms3972×body80valid
133.0ms615×body640valid
75.0ms327×body320valid