Details

Time bar (total: 22.4s)

sample188.0ms

Algorithm
intervals
Results
102.0ms147×body1280valid
27.0ms53×body640valid
24.0ms17×body2560valid
18.0ms20×body320valid
4.0ms16×body160valid
0.0msbody80valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.2b

localize12.0ms

Local error

Found 2 expressions with local error:

1.0b
(- (cos (+ x eps)) (cos x))
2.2b
(cos (+ x eps))

rewrite39.0ms

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:
32.0ms
(- (cos (+ x eps)) (cos x))
7.0ms
(cos (+ x eps))

series86.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(- (cos (+ x eps)) (cos x))
22.0ms
(cos (+ x eps))

simplify1.5s

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

prune290.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
0.0b
(+ x (+ x eps))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
2.5b
(sin (/ (+ x (+ x eps)) 2))

rewrite184.0ms

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:
81.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
21.0ms
(+ x (+ x eps))
55.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
25.0ms
(sin (/ (+ x (+ x eps)) 2))

series213.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
28.0ms
(+ x (+ x eps))
74.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
33.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify677.0ms

Counts
76 → 76
Iterations
IterNodes
32322
2797
1292
0123

prune730.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.3b

localize18.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
2.4b
(sin (+ x (* eps 1/2)))

rewrite47.0ms

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:
39.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
7.0ms
(sin (+ x (* eps 1/2)))

series93.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
28.0ms
(sin (+ x (* eps 1/2)))

simplify2.8s

Counts
36 → 36
Iterations
IterNodes
43815
31798
2554
1192
076

prune439.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize56.0ms

Local error

Found 4 expressions with local error:

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

rewrite201.0ms

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:
40.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
17.0ms
(* (cos x) (sin (* eps 1/2)))
16.0ms
(* (sin x) (cos (* eps 1/2)))
127.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

series508.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
89.0ms
(* (cos x) (sin (* eps 1/2)))
69.0ms
(* (sin x) (cos (* eps 1/2)))
192.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

simplify4.8s

Counts
86 → 86
Iterations
IterNodes
37785
21865
1443
0161

prune1.1s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 0.0b

regimes394.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
220
120
014

end0.0ms

sample8.0s

Algorithm
intervals
Results
5.1s4481×body1280valid
1.1s630×body2560valid
1.1s1876×body640valid
334.0ms671×body320valid
106.0ms259×body160valid
10.0ms83×body80valid