Details

Time bar (total: 23.4s)

sample218.0ms

Algorithm
intervals
Results
103.0ms100×body1280valid
44.0ms23×body2560valid
34.0ms52×body640valid
15.0ms31×body320valid
6.0ms40×body80valid
3.0ms10×body160valid

simplify59.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
59.0ms
(- (sin (+ x eps)) (sin x))

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize18.0ms

Local error

Found 2 expressions with local error:

2.8b
(sin (+ x eps))
2.1b
(- (sin (+ x eps)) (sin x))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube sin-sum add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
Slowest
27.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series78.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
53.0ms
(- (sin (+ x eps)) (sin x))
25.0ms
(sin (+ x eps))

simplify746.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
350.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
169.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
80.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
57.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
19.0ms
(- (sqrt (sin (+ x eps))) (sqrt (sin x)))

prune295.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))
0.0b
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))

rewrite89.0ms

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
+-commutative associate-+r+ flip3-+ flip-+ unswap-sqr
Counts
4 → 62
Calls
4 calls:
Slowest
36.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
29.0ms
(cos (/ (+ x (+ eps x)) 2))
13.0ms
(+ x (+ eps x))
10.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))

series292.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
131.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
100.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
33.0ms
(cos (/ (+ x (+ eps x)) 2))
27.0ms
(+ x (+ eps x))

simplify3.0s

Counts
35 → 74
Calls
35 calls:
Slowest
644.0ms
(* (* (* 2 2) 2) (* (* (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))) (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))) (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))))
539.0ms
(* (* (* 2 2) 2) (* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2)))))
337.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
325.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
256.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))

prune748.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

localize24.0ms

Local error

Found 2 expressions with local error:

2.6b
(cos (+ (* 1/2 eps) x))
0.2b
(* (* (sin (* 1/2 eps)) 2) (cos (+ (* 1/2 eps) x)))

rewrite60.0ms

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
cos-sum associate-*l* *-commutative
Counts
2 → 28
Calls
2 calls:
Slowest
48.0ms
(* (* (sin (* 1/2 eps)) 2) (cos (+ (* 1/2 eps) x)))
11.0ms
(cos (+ (* 1/2 eps) x))

series92.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
69.0ms
(* (* (sin (* 1/2 eps)) 2) (cos (+ (* 1/2 eps) x)))
22.0ms
(cos (+ (* 1/2 eps) x))

simplify1.4s

Counts
17 → 34
Calls
17 calls:
Slowest
481.0ms
(* (* (* (* (sin (* 1/2 eps)) 2) (* (sin (* 1/2 eps)) 2)) (* (sin (* 1/2 eps)) 2)) (* (* (cos (+ (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x))) (cos (+ (* 1/2 eps) x))))
337.0ms
(* (* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* 2 2) 2)) (* (* (cos (+ (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x))) (cos (+ (* 1/2 eps) x))))
179.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))
134.0ms
(- eps (+ (* 1/6 (pow eps 3)) (* 1/2 (* x (pow eps 2)))))
46.0ms
(+ (+ (log (sin (* 1/2 eps))) (log 2)) (log (cos (+ (* 1/2 eps) x))))

prune387.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize66.0ms

Local error

Found 4 expressions with local error:

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

rewrite248.0ms

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 cos-mult cbrt-unprod sin-mult
associate-*r/ insert-posit16
sub-neg *-commutative
distribute-rgt-in distribute-lft-in flip3-- frac-sub flip-- sub-div unswap-sqr
diff-log
Counts
4 → 82
Calls
4 calls:
Slowest
170.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
30.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
24.0ms
(* (sin (* 1/2 eps)) (sin x))
23.0ms
(* (cos (* 1/2 eps)) (cos x))

series445.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
203.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
116.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
63.0ms
(* (cos (* 1/2 eps)) (cos x))
62.0ms
(* (sin (* 1/2 eps)) (sin x))

simplify5.4s

Counts
55 → 94
Calls
55 calls:
Slowest
366.0ms
(- (* (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) 2) (* 2 (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))))
352.0ms
(* (* (* (cos (* 1/2 eps)) (cos (* 1/2 eps))) (cos (* 1/2 eps))) (* (* (cos x) (cos x)) (cos x)))
334.0ms
(* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x)))
328.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
326.0ms
(* 2 (* (- (* (cos x) (cos (* 1/2 eps))) (* (sin x) (sin (* 1/2 eps)))) (sin (* 1/2 eps))))

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

regimes207.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch7.0ms

end0.0ms

sample8.2s

Algorithm
intervals
Results
4.6s3297×body1280valid
1.5s1848×body640valid
1.3s658×body2560valid
400.0ms774×body320valid
178.0ms1093×body80valid
92.0ms330×body160valid