Details

Time bar (total: 21.5s)

sample190.0ms

Algorithm
intervals
Results
109.0ms144×body1280valid
31.0ms21×body2560valid
26.0ms53×body640valid
7.0ms22×body320valid
4.0ms15×body160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.0b

localize28.0ms

Local error

Found 2 expressions with local error:

1.7b
(- (cos (+ x eps)) (cos x))
2.5b
(cos (+ x eps))

rewrite59.0ms

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:
14.0ms
(- (cos (+ x eps)) (cos x))
45.0ms
(cos (+ x eps))

series91.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(- (cos (+ x eps)) (cos x))
18.0ms
(cos (+ x eps))

simplify2.6s

Counts
32 → 32
Iterations
IterNodes
done5001
53787
41424
3658
2282
1137
067

prune189.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.6b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (+ x eps))
0.0b
(* -2 (* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2))))
0.3b
(* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2)))
2.5b
(sin (/ (+ x (+ x eps)) 2))

rewrite257.0ms

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:
23.0ms
(+ x (+ x eps))
98.0ms
(* -2 (* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2))))
108.0ms
(* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2)))
27.0ms
(sin (/ (+ x (+ x eps)) 2))

series265.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(+ x (+ x eps))
96.0ms
(* -2 (* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2))))
104.0ms
(* (sin (* 1/2 eps)) (sin (/ (+ x (+ x eps)) 2)))
40.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify2.4s

Counts
76 → 76
Iterations
IterNodes
done5048
33581
2854
1289
0121

prune462.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.5b

localize45.0ms

Local error

Found 2 expressions with local error:

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

rewrite62.0ms

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:
45.0ms
(* (* -2 (sin (+ x (/ eps 2)))) (sin (/ eps 2)))
16.0ms
(sin (+ x (/ eps 2)))

series163.0ms

Counts
2 → 6
Calls
2 calls:
128.0ms
(* (* -2 (sin (+ x (/ eps 2)))) (sin (/ eps 2)))
35.0ms
(sin (+ x (/ eps 2)))

simplify3.3s

Counts
34 → 34
Iterations
IterNodes
done5000
31721
2462
1171
073

prune236.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

localize40.0ms

Local error

Found 4 expressions with local error:

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

rewrite151.0ms

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:
17.0ms
(+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))
12.0ms
(* (sin x) (cos (/ eps 2)))
15.0ms
(* (cos x) (sin (/ eps 2)))
106.0ms
(* (* -2 (+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))) (sin (/ eps 2)))

series533.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))
92.0ms
(* (sin x) (cos (/ eps 2)))
68.0ms
(* (cos x) (sin (/ eps 2)))
224.0ms
(* (* -2 (+ (* (sin x) (cos (/ eps 2))) (* (cos x) (sin (/ eps 2))))) (sin (/ eps 2)))

simplify1.8s

Counts
84 → 84
Iterations
IterNodes
done5000
21457
1414
0157

prune467.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes222.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done23
123
017

end0.0ms

sample7.9s

Algorithm
intervals
Results
4.8s4442×body1280valid
1.4s629×body2560valid
1.1s1853×body640valid
353.0ms696×body320valid
77.0ms298×body160valid
11.0ms82×body80valid