Details

Time bar (total: 16.6s)

sample256.0ms

Algorithm
intervals
Results
166.0ms153×body1280valid
36.0ms20×body2560valid
34.0ms54×body640valid
5.0ms14×body320valid
3.0ms10×body160valid
0.0msbody80valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.3b

localize13.0ms

Local error

Found 2 expressions with local error:

0.3b
(- (cos (+ x eps)) (cos x))
2.9b
(cos (+ x eps))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 cos-sum add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
associate--l- sub-neg flip3-- diff-log diff-cos flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
16.0ms
(- (cos (+ x eps)) (cos x))
12.0ms
(cos (+ x eps))

series99.0ms

Counts
2 → 6
Calls
2 calls:
63.0ms
(- (cos (+ x eps)) (cos x))
35.0ms
(cos (+ x eps))

simplify1.1s

Counts
32 → 32
Iterations
IterNodes
done2044
52044
41424
3658
2282
1137
067

prune181.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.5b

localize48.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ x eps))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
2.9b
(sin (/ (+ x (+ x eps)) 2))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-mult unswap-sqr
Counts
3 → 44
Calls
3 calls:
12.0ms
(+ x (+ x eps))
74.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
45.0ms
(sin (/ (+ x (+ x eps)) 2))

series162.0ms

Counts
3 → 9
Calls
3 calls:
33.0ms
(+ x (+ x eps))
80.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
49.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.0s

Counts
53 → 53
Iterations
IterNodes
done2006
32006
2590
1216
094

prune357.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.4b

localize69.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (sin (/ (+ x (+ x eps)) 2)))
2.9b
(sin (/ (+ x (+ x eps)) 2))
2.9b
(sin (/ (+ x (+ x eps)) 2))
2.9b
(sin (/ (+ x (+ x eps)) 2))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
cbrt-prod
pow1/3
Counts
4 → 36
Calls
4 calls:
18.0ms
(cbrt (sin (/ (+ x (+ x eps)) 2)))
38.0ms
(sin (/ (+ x (+ x eps)) 2))
35.0ms
(sin (/ (+ x (+ x eps)) 2))
20.0ms
(sin (/ (+ x (+ x eps)) 2))

series331.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(cbrt (sin (/ (+ x (+ x eps)) 2)))
54.0ms
(sin (/ (+ x (+ x eps)) 2))
55.0ms
(sin (/ (+ x (+ x eps)) 2))
56.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.2s

Counts
48 → 48
Iterations
IterNodes
done2009
42009
3747
2260
1123
059

prune381.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.4b

localize77.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (sin (/ (+ x (+ x eps)) 2)))
2.9b
(sin (/ (+ x (+ x eps)) 2))
2.9b
(sin (/ (+ x (+ x eps)) 2))
2.9b
(sin (/ (+ x (+ x eps)) 2))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
cbrt-prod
pow1/3
Counts
4 → 36
Calls
4 calls:
17.0ms
(cbrt (sin (/ (+ x (+ x eps)) 2)))
43.0ms
(sin (/ (+ x (+ x eps)) 2))
39.0ms
(sin (/ (+ x (+ x eps)) 2))
39.0ms
(sin (/ (+ x (+ x eps)) 2))

series287.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(cbrt (sin (/ (+ x (+ x eps)) 2)))
37.0ms
(sin (/ (+ x (+ x eps)) 2))
46.0ms
(sin (/ (+ x (+ x eps)) 2))
50.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.1s

Counts
48 → 48
Iterations
IterNodes
done2009
42009
3747
2260
1123
059

prune306.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 0.4b

regimes399.0ms

Accuracy

97.8% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 15.1b

bsearch296.0ms

Steps
ItersRangePoint
10
5.037382729650074e-10
232.09055164250086
2.2247927857601395e-06
10
-1.3816842601692823e-07
-2.482857645479789e-25
-1.347365952010613e-07

simplify7.0ms

Iterations
IterNodes
done35
135
026

end0.0ms

sample8.4s

Algorithm
intervals
Results
4.7s4455×body1280valid
1.5s656×body2560valid
1.1s1802×body640valid
741.0ms719×body320valid
72.0ms287×body160valid
10.0ms81×body80valid