Details

Time bar (total: 15.7s)

sample167.0ms

Algorithm
intervals
Results
87.0ms140×body1280valid
33.0ms61×body640valid
27.0ms21×body2560valid
6.0ms22×body320valid
2.0ms10×body160valid
0.0msbody80valid

simplify11.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.0b

localize46.0ms

Local error

Found 2 expressions with local error:

2.6b
(cos (+ x eps))
1.2b
(- (cos (+ x eps)) (cos x))

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:
Slowest
21.0ms
(- (cos (+ x eps)) (cos x))
14.0ms
(cos (+ x eps))

series104.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
77.0ms
(- (cos (+ x eps)) (cos x))
27.0ms
(cos (+ x eps))

simplify577.0ms

Counts
36 → 32

prune373.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.6b

localize37.0ms

Local error

Found 4 expressions with local error:

2.6b
(sin (/ (+ x (+ x eps)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))
0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))

rewrite141.0ms

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:
Slowest
63.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
47.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
19.0ms
(sin (/ (+ x (+ x eps)) 2))
11.0ms
(+ x (+ x eps))

series249.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
104.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
80.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
40.0ms
(sin (/ (+ x (+ x eps)) 2))
24.0ms
(+ x (+ x eps))

simplify315.0ms

Counts
76 → 76

prune668.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.6b

localize38.0ms

Local error

Found 2 expressions with local error:

2.7b
(sin (+ (* eps 1/2) (* x 1)))
0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ (* eps 1/2) (* x 1))))

rewrite74.0ms

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:
Slowest
50.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ (* eps 1/2) (* x 1))))
24.0ms
(sin (+ (* eps 1/2) (* x 1)))

series118.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
78.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ (* eps 1/2) (* x 1))))
39.0ms
(sin (+ (* eps 1/2) (* x 1)))

simplify678.0ms

Counts
38 → 36

prune382.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize64.0ms

Local error

Found 4 expressions with local error:

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

rewrite562.0ms

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:
Slowest
455.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin (* eps 1/2)) (cos (* x 1))) (* (cos (* eps 1/2)) (sin (* x 1)))))
43.0ms
(+ (* (sin (* eps 1/2)) (cos (* x 1))) (* (cos (* eps 1/2)) (sin (* x 1))))
34.0ms
(* (cos (* eps 1/2)) (sin (* x 1)))
30.0ms
(* (sin (* eps 1/2)) (cos (* x 1)))

series497.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
220.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin (* eps 1/2)) (cos (* x 1))) (* (cos (* eps 1/2)) (sin (* x 1)))))
161.0ms
(+ (* (sin (* eps 1/2)) (cos (* x 1))) (* (cos (* eps 1/2)) (sin (* x 1))))
58.0ms
(* (cos (* eps 1/2)) (sin (* x 1)))
57.0ms
(* (sin (* eps 1/2)) (cos (* x 1)))

simplify745.0ms

Counts
88 → 86

prune1.2s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes205.0ms

Accuracy

0% (0.3b remaining)

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

bsearch4.0ms

end0.0ms

sample8.4s

Algorithm
intervals
Results
4.7s4514×body1280valid
1.8s1867×body640valid
1.3s622×body2560valid
351.0ms659×body320valid
71.0ms257×body160valid
12.0ms81×body80valid