Details

Time bar (total: 33.9s)

sample175.0ms

Algorithm
intervals
Results
79.0ms135×body1280valid
28.0ms24×body2560valid
22.0ms63×body640valid
15.0ms20×body320valid
2.0ms10×body160valid
0.0msbody80valid

simplify26.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.3b

localize19.0ms

Local error

Found 2 expressions with local error:

0.8b
(- (cos (+ x eps)) (cos x))
2.9b
(cos (+ x eps))

rewrite74.0ms

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:
38.0ms
(- (cos (+ x eps)) (cos x))
34.0ms
(cos (+ x eps))

series468.0ms

Counts
2 → 6
Calls
2 calls:
424.0ms
(- (cos (+ x eps)) (cos x))
44.0ms
(cos (+ x eps))

simplify6.1s

Counts
32 → 32
Iterations
IterNodes
done5000
53910
41422
3645
2280
1136
067

prune488.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.5b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
0.0b
(+ x (+ eps x))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
2.8b
(sin (/ (+ x (+ eps x)) 2))

rewrite364.0ms

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:
99.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
27.0ms
(+ x (+ eps x))
149.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
85.0ms
(sin (/ (+ x (+ eps x)) 2))

series429.0ms

Counts
4 → 12
Calls
4 calls:
185.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
37.0ms
(+ x (+ eps x))
133.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
73.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify5.5s

Counts
76 → 76
Iterations
IterNodes
done5002
33222
2795
1289
0123

prune1000.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.4b

localize48.0ms

Local error

Found 2 expressions with local error:

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

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity associate-*r* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
insert-posit16 add-log-exp
sin-sum associate-*l* *-commutative
Counts
2 → 28
Calls
2 calls:
110.0ms
(* (* -2 (sin (+ x (/ eps 2)))) (sin (/ eps 2)))
44.0ms
(sin (+ x (/ eps 2)))

series229.0ms

Counts
2 → 6
Calls
2 calls:
186.0ms
(* (* -2 (sin (+ x (/ eps 2)))) (sin (/ eps 2)))
42.0ms
(sin (+ x (/ eps 2)))

simplify5.7s

Counts
34 → 34
Iterations
IterNodes
done5001
31745
2464
1171
073

prune513.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize82.0ms

Local error

Found 4 expressions with local error:

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

rewrite259.0ms

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-*l/ associate-*r/ flip-+ unswap-sqr
+-commutative sum-log sin-cos-mult
Counts
4 → 72
Calls
4 calls:
41.0ms
(* (cos x) (sin (/ eps 2)))
35.0ms
(+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))
29.0ms
(* (sin x) (cos (/ eps 2)))
146.0ms
(* (* -2 (+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))) (sin (/ eps 2)))

series725.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(* (cos x) (sin (/ eps 2)))
171.0ms
(+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))
113.0ms
(* (sin x) (cos (/ eps 2)))
359.0ms
(* (* -2 (+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))) (sin (/ eps 2)))

simplify3.3s

Counts
84 → 84
Iterations
IterNodes
done5001
21487
1413
0157

prune1.1s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes534.0ms

Accuracy

0% (1.7b remaining)

Error of 1.8b against oracle of 0.1b and baseline of 1.8b

bsearch0.0ms

simplify12.0ms

Iterations
IterNodes
done23
123
017

end0.0ms

sample6.6s

Algorithm
intervals
Results
3.6s4388×body1280valid
1.4s649×body2560valid
947.0ms1901×body640valid
225.0ms689×body320valid
93.0ms290×body160valid
8.0ms83×body80valid