Details

Time bar (total: 20.1s)

sample219.0ms

Algorithm
intervals
Results
135.0ms145×body1280valid
34.0ms21×body2560valid
32.0ms64×body640valid
4.0ms12×body320valid
3.0ms11×body160valid
0.0msbody80valid

simplify14.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
14.0ms
(- (cos (+ x eps)) (cos x))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.6b

localize24.0ms

Local error

Found 2 expressions with local error:

2.7b
(cos (+ x eps))
1.6b
(- (cos (+ x eps)) (cos x))

rewrite31.0ms

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
18.0ms
(- (cos (+ x eps)) (cos x))
12.0ms
(cos (+ x eps))

series150.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
91.0ms
(- (cos (+ x eps)) (cos x))
59.0ms
(cos (+ x eps))

simplify491.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
159.0ms
(- 1 (+ (* x eps) (* 1/2 (pow x 2))))
149.0ms
(- (* 1/6 (* (pow x 3) eps)) (+ (* 1/2 (pow eps 2)) (* x eps)))
59.0ms
(* (sin (/ (- (+ x eps) x) 2)) (sin (/ (+ (+ x eps) x) 2)))
33.0ms
(/ (exp (cos (+ x eps))) (exp (cos x)))
17.0ms
(- (cos (+ x eps)) (cos x))

prune332.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.7b

localize32.0ms

Local error

Found 3 expressions with local error:

2.7b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-mult unswap-sqr
Counts
3 → 44
Calls
3 calls:
Slowest
62.0ms
(* (sin (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
39.0ms
(sin (/ (+ x (+ eps x)) 2))
19.0ms
(+ x (+ eps x))

series204.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
137.0ms
(* (sin (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
36.0ms
(sin (/ (+ x (+ eps x)) 2))
30.0ms
(+ x (+ eps x))

simplify1.4s

Counts
24 → 53
Calls
24 calls:
Slowest
384.0ms
(* (* (* (sin (/ (+ x (+ eps x)) 2)) (sin (/ (+ x (+ eps x)) 2))) (sin (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
227.0ms
(- (+ x (* 1/2 eps)) (* 1/6 (pow x 3)))
226.0ms
(- (+ (* 1/4 (pow eps 2)) (* 1/2 (* x eps))) (* 1/12 (* (pow x 3) eps)))
70.0ms
(* (sin (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
47.0ms
(sin (* 1/2 (+ (* 2 x) eps)))

prune651.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.6b

localize33.0ms

Local error

Found 2 expressions with local error:

2.8b
(sin (+ (* eps 1/2) x))
0.3b
(* (sin (* eps 1/2)) (sin (+ (* eps 1/2) x)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
sin-sum associate-*r* associate-*l*
insert-posit16 add-log-exp
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp *-commutative cbrt-unprod sin-mult unswap-sqr
Counts
2 → 31
Calls
2 calls:
Slowest
49.0ms
(* (sin (* eps 1/2)) (sin (+ (* eps 1/2) x)))
13.0ms
(sin (+ (* eps 1/2) x))

series135.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
90.0ms
(* (sin (* eps 1/2)) (sin (+ (* eps 1/2) x)))
45.0ms
(sin (+ (* eps 1/2) x))

simplify1.6s

Counts
20 → 37
Calls
20 calls:
Slowest
560.0ms
(- (cos (- (* eps 1/2) (+ (* eps 1/2) x))) (cos (+ (* eps 1/2) (+ (* eps 1/2) x))))
389.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (sin (+ (* eps 1/2) x)) (sin (+ (* eps 1/2) x))) (sin (+ (* eps 1/2) x))))
238.0ms
(- (+ x (* 1/2 eps)) (* 1/48 (pow eps 3)))
187.0ms
(- (+ (* 1/2 (* x eps)) (* 1/4 (pow eps 2))) (* 1/48 (pow eps 4)))
32.0ms
(* (* (cos (* eps 1/2)) (sin x)) (sin (* eps 1/2)))

prune408.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin (* eps 1/2)) (* (sin (* eps 1/2)) (cos x)))
0.2b
(* (sin (* eps 1/2)) (* (cos (* eps 1/2)) (sin x)))
0.1b
(* (cos (* eps 1/2)) (sin x))
0.1b
(* (sin (* eps 1/2)) (cos x))

rewrite208.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-cbrt-cube add-exp-log
14×add-sqr-sqrt
12×associate-*l*
10×*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
*-commutative insert-posit16 add-log-exp
sin-cos-mult unswap-sqr
associate-*r/
Counts
4 → 78
Calls
4 calls:
Slowest
73.0ms
(* (sin (* eps 1/2)) (* (cos (* eps 1/2)) (sin x)))
64.0ms
(* (sin (* eps 1/2)) (* (sin (* eps 1/2)) (cos x)))
35.0ms
(* (cos (* eps 1/2)) (sin x))
34.0ms
(* (sin (* eps 1/2)) (cos x))

series358.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
121.0ms
(* (sin (* eps 1/2)) (* (cos (* eps 1/2)) (sin x)))
86.0ms
(* (sin (* eps 1/2)) (cos x))
80.0ms
(* (cos (* eps 1/2)) (sin x))
71.0ms
(* (sin (* eps 1/2)) (* (sin (* eps 1/2)) (cos x)))

simplify4.0s

Counts
51 → 90
Calls
51 calls:
Slowest
568.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (cos (* eps 1/2)) (sin x)) (* (cos (* eps 1/2)) (sin x))) (* (cos (* eps 1/2)) (sin x))))
456.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (cos (* eps 1/2)) (cos (* eps 1/2))) (cos (* eps 1/2))) (* (* (sin x) (sin x)) (sin x))))
372.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (sin (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (cos x))) (* (sin (* eps 1/2)) (cos x))))
346.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (cos x) (cos x)) (cos x)))
336.0ms
(* (* (* (cos (* eps 1/2)) (cos (* eps 1/2))) (cos (* eps 1/2))) (* (* (sin x) (sin x)) (sin x)))

prune1.3s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

regimes181.0ms

Accuracy

0% (0.3b remaining)

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

bsearch5.0ms

end0.0ms

sample8.2s

Algorithm
intervals
Results
4.7s4392×body1280valid
1.5s616×body2560valid
1.4s1944×body640valid
263.0ms662×body320valid
127.0ms313×body160valid
9.0ms73×body80valid