Details

Time bar (total: 22.8s)

sample233.0ms

Algorithm
intervals
Results
109.0ms143×body1280valid
64.0ms57×body640valid
37.0ms24×body2560valid
7.0ms20×body320valid
3.0ms10×body160valid
0.0msbody80valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.5b

localize28.0ms

Local error

Found 2 expressions with local error:

1.0b
(- (cos (+ x eps)) (cos x))
5.0b
(cos (+ x eps))

rewrite35.0ms

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:
20.0ms
(- (cos (+ x eps)) (cos x))
15.0ms
(cos (+ x eps))

series108.0ms

Counts
2 → 6
Calls
2 calls:
90.0ms
(- (cos (+ x eps)) (cos x))
18.0ms
(cos (+ x eps))

simplify1.6s

Counts
32 → 32
Iterations
IterNodes
53283
41332
3588
2270
1137
067

prune329.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.5b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
0.0b
(+ x (+ x eps))
0.2b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
5.1b
(sin (/ (+ x (+ x eps)) 2))

rewrite181.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
11×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt add-log-exp
add-cube-cbrt
associate-*l*
associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16
sum-log distribute-lft-out
*-commutative sin-mult
+-commutative associate-+r+ flip3-+ associate-*r/ flip-+ unswap-sqr
Counts
4 → 64
Calls
4 calls:
85.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
21.0ms
(+ x (+ x eps))
50.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
23.0ms
(sin (/ (+ x (+ x eps)) 2))

series234.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
38.0ms
(+ x (+ x eps))
58.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
54.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify849.0ms

Counts
76 → 76
Iterations
IterNodes
32322
2797
1292
0123

prune926.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.5b

localize23.0ms

Local error

Found 2 expressions with local error:

0.2b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
5.4b
(sin (+ x (* eps 1/2)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity sin-sum associate-*r* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
insert-posit16 add-log-exp
distribute-rgt-in distribute-lft-in associate-*l* *-commutative
Counts
2 → 30
Calls
2 calls:
51.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
11.0ms
(sin (+ x (* eps 1/2)))

series113.0ms

Counts
2 → 6
Calls
2 calls:
86.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
27.0ms
(sin (+ x (* eps 1/2)))

simplify2.8s

Counts
36 → 36
Iterations
IterNodes
43815
31798
2554
1192
076

prune434.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
0.2b
(* (sin x) (cos (* eps 1/2)))
0.2b
(* (cos x) (sin (* eps 1/2)))
0.3b
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

rewrite252.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt pow1 add-cbrt-cube add-exp-log
*-un-lft-identity associate-*r* add-cube-cbrt
associate-*l*
add-log-exp
pow-prod-down prod-exp cbrt-unprod
insert-posit16
*-commutative
flip3-+ associate-*r/ flip-+ unswap-sqr
distribute-rgt-in +-commutative sum-log distribute-lft-in sin-cos-mult
Counts
4 → 74
Calls
4 calls:
55.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
21.0ms
(* (sin x) (cos (* eps 1/2)))
19.0ms
(* (cos x) (sin (* eps 1/2)))
155.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

series507.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
84.0ms
(* (sin x) (cos (* eps 1/2)))
76.0ms
(* (cos x) (sin (* eps 1/2)))
187.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

simplify4.2s

Counts
86 → 86
Iterations
IterNodes
37884
21804
1444
0161

prune1.0s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.0b

regimes241.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
220
120
014

end0.0ms

sample8.5s

Algorithm
intervals
Results
4.7s4450×body1280valid
1.6s617×body2560valid
1.6s1834×body640valid
324.0ms708×body320valid
124.0ms295×body160valid
13.0ms96×body80valid