Details

Time bar (total: 18.1s)

sample180.0ms

Algorithm
intervals
Results
112.0ms151×body1280valid
27.0ms20×body2560valid
21.0ms50×body640valid
7.0ms21×body320valid
2.0ms11×body160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.4b

localize14.0ms

Local error

Found 2 expressions with local error:

3.7b
(cos (+ x eps))
0.7b
(- (cos (+ x eps)) (cos x))

rewrite42.0ms

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
29.0ms
(cos (+ x eps))
13.0ms
(- (cos (+ x eps)) (cos x))

series105.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
80.0ms
(- (cos (+ x eps)) (cos x))
25.0ms
(cos (+ x eps))

simplify978.0ms

Counts
32 → 32

prune248.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.6b

localize29.0ms

Local error

Found 4 expressions with local error:

3.7b
(sin (/ (+ x (+ x eps)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
0.2b
(/ (+ x (+ x eps)) 2)
0.0b
(+ x (+ x eps))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
18×add-sqr-sqrt
16×add-cube-cbrt
15×times-frac distribute-lft-out
add-log-exp
add-cbrt-cube add-exp-log
pow1
associate-/l*
insert-posit16
associate-/r* sum-log associate-*r* associate-*l*
flip3-+ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+r+ clear-num frac-2neg div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv sin-mult unswap-sqr
Counts
4 → 82
Calls
4 calls:
Slowest
81.0ms
(/ (+ x (+ x eps)) 2)
50.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
38.0ms
(sin (/ (+ x (+ x eps)) 2))
23.0ms
(+ x (+ x eps))

series207.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
65.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
57.0ms
(sin (/ (+ x (+ x eps)) 2))
56.0ms
(/ (+ x (+ x eps)) 2)
28.0ms
(+ x (+ x eps))

simplify1.0s

Counts
94 → 94

prune1.0s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.3b

localize29.0ms

Local error

Found 3 expressions with local error:

3.7b
(sin (+ (* eps 1/2) x))
0.3b
(* (sin (+ (* eps 1/2) x)) (sin (/ eps 2)))
0.0b
(* -2 (* (sin (+ (* eps 1/2) x)) (sin (/ eps 2))))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
insert-posit16 add-log-exp
*-commutative sin-mult
sin-sum associate-*r/ unswap-sqr
Counts
3 → 49
Calls
3 calls:
Slowest
70.0ms
(* -2 (* (sin (+ (* eps 1/2) x)) (sin (/ eps 2))))
47.0ms
(* (sin (+ (* eps 1/2) x)) (sin (/ eps 2)))
15.0ms
(sin (+ (* eps 1/2) x))

series200.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
86.0ms
(* -2 (* (sin (+ (* eps 1/2) x)) (sin (/ eps 2))))
80.0ms
(* (sin (+ (* eps 1/2) x)) (sin (/ eps 2)))
33.0ms
(sin (+ (* eps 1/2) x))

simplify776.0ms

Counts
58 → 58

prune635.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize42.0ms

Local error

Found 4 expressions with local error:

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

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
insert-posit16
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-+ associate-*l/ flip-+
+-commutative sum-log sin-cos-mult
Counts
4 → 72
Calls
4 calls:
Slowest
84.0ms
(* (+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x))) (sin (/ eps 2)))
28.0ms
(+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x)))
27.0ms
(* (sin (* eps 1/2)) (cos x))
26.0ms
(* (cos (* eps 1/2)) (sin x))

series475.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
194.0ms
(* (+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x))) (sin (/ eps 2)))
117.0ms
(+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x)))
94.0ms
(* (cos (* eps 1/2)) (sin x))
70.0ms
(* (sin (* eps 1/2)) (cos x))

simplify1.4s

Counts
84 → 84

prune1.2s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes280.0ms

Accuracy

0% (0.3b remaining)

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

bsearch8.0ms

end0.0ms

sample8.6s

Algorithm
intervals
Results
5.4s4439×body1280valid
1.4s667×body2560valid
1.3s1881×body640valid
303.0ms688×body320valid
66.0ms256×body160valid
9.0ms69×body80valid