Details

Time bar (total: 19.0s)

sample207.0ms

Algorithm
intervals
Results
126.0ms148×body1280valid
32.0ms21×body2560valid
29.0ms55×body640valid
6.0ms19×body320valid
3.0ms13×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
324
224
121
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.2b

localize40.0ms

Local error

Found 2 expressions with local error:

1.1b
(- (cos (+ x eps)) (cos x))
3.1b
(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:
21.0ms
(- (cos (+ x eps)) (cos x))
17.0ms
(cos (+ x eps))

series93.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(- (cos (+ x eps)) (cos x))
28.0ms
(cos (+ x eps))

simplify1.4s

Counts
32 → 32
Iterations
IterNodes
53068
41498
3788
2425
1261
067

prune295.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.4b

localize32.0ms

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)))
3.1b
(sin (/ (+ x (+ x eps)) 2))

rewrite205.0ms

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:
80.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
12.0ms
(+ x (+ x eps))
76.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
37.0ms
(sin (/ (+ x (+ x eps)) 2))

series262.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
29.0ms
(+ x (+ x eps))
96.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
37.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.1s

Counts
76 → 76
Iterations
IterNodes
32791
21129
1511
0123

prune812.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.4b

localize28.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
3.2b
(sin (+ x (* eps 1/2)))

rewrite73.0ms

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:
57.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
15.0ms
(sin (+ x (* eps 1/2)))

series114.0ms

Counts
2 → 6
Calls
2 calls:
80.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
33.0ms
(sin (+ x (* eps 1/2)))

simplify2.7s

Counts
36 → 36
Iterations
IterNodes
43621
31883
2734
1327
076

prune452.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize37.0ms

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)))
0.1b
(* (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)))))

rewrite174.0ms

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:
25.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
19.0ms
(* (cos x) (sin (* eps 1/2)))
18.0ms
(* (sin x) (cos (* eps 1/2)))
110.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

series484.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
86.0ms
(* (cos x) (sin (* eps 1/2)))
61.0ms
(* (sin x) (cos (* eps 1/2)))
197.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

simplify639.0ms

Counts
86 → 86
Iterations
IterNodes
22122
1729
0161

prune1.1s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.0b

regimes210.0ms

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
4.9s4421×body1280valid
1.4s1867×body640valid
1.2s643×body2560valid
726.0ms706×body320valid
72.0ms280×body160valid
11.0ms83×body80valid