Details

Time bar (total: 19.8s)

sample239.0ms

Algorithm
intervals
Results
91.0ms89×body1280valid
66.0ms71×body640valid
54.0ms29×body2560valid
11.0ms23×body320valid
5.0ms37×body80valid
2.0msbody160valid

simplify9.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
9.0ms
(- (sin (+ x eps)) (sin x))

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.0b

localize13.0ms

Local error

Found 2 expressions with local error:

3.4b
(sin (+ x eps))
1.1b
(- (sin (+ x eps)) (sin x))

rewrite67.0ms

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
60.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series85.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
66.0ms
(- (sin (+ x eps)) (sin x))
19.0ms
(sin (+ x eps))

simplify783.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
368.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
252.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
51.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
47.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
11.0ms
(- (sin (+ x eps)) (sin x))

prune240.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize46.0ms

Local error

Found 4 expressions with local error:

3.3b
(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))))

rewrite111.0ms

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
44.0ms
(cos (/ (+ x (+ eps x)) 2))
24.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
21.0ms
(+ x (+ eps x))
21.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))

series240.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
104.0ms
(* 2 (* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2))))
80.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
31.0ms
(cos (/ (+ x (+ eps x)) 2))
25.0ms
(+ x (+ eps x))

simplify3.2s

Counts
35 → 74
Calls
35 calls:
Slowest
602.0ms
(* (* (* 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)))))
592.0ms
(* (* (* 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)))))
399.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
333.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
233.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))

prune717.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.2b

localize37.0ms

Local error

Found 2 expressions with local error:

3.3b
(cos (+ (* 1/2 eps) x))
0.2b
(* (* (sin (* 1/2 eps)) 2) (cos (+ (* 1/2 eps) x)))

rewrite66.0ms

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)))
18.0ms
(cos (+ (* 1/2 eps) x))

series94.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
70.0ms
(* (* (sin (* 1/2 eps)) 2) (cos (+ (* 1/2 eps) x)))
24.0ms
(cos (+ (* 1/2 eps) x))

simplify1.5s

Counts
17 → 34
Calls
17 calls:
Slowest
468.0ms
(* (* (* (* (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))))
391.0ms
(* (* (* (* (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))))
240.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))
150.0ms
(- eps (+ (* 1/6 (pow eps 3)) (* 1/2 (* x (pow eps 2)))))
46.0ms
(* 2 (* (cos (+ x (* 1/2 eps))) (sin (* 1/2 eps))))

prune388.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite268.0ms

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
180.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
32.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
31.0ms
(* (sin (* 1/2 eps)) (sin x))
24.0ms
(* (cos (* 1/2 eps)) (cos x))

series434.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
141.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
136.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
88.0ms
(* (sin (* 1/2 eps)) (sin x))
69.0ms
(* (cos (* 1/2 eps)) (cos x))

simplify4.4s

Counts
55 → 94
Calls
55 calls:
Slowest
316.0ms
(- (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x))))
288.0ms
(- (* (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) 2) (* 2 (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))))
283.0ms
(* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x)))
267.0ms
(+ (* (* (cos (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (cos x))) (+ (* (* (sin (* 1/2 eps)) (sin x)) (* (sin (* 1/2 eps)) (sin x))) (* (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))))
266.0ms
(* (* (* (* (sin (* 1/2 eps)) 2) (* (sin (* 1/2 eps)) 2)) (* (sin (* 1/2 eps)) 2)) (* (* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))))

prune1.0s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

regimes134.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch2.0ms

end0.0ms

sample5.8s

Algorithm
intervals
Results
3.0s3275×body1280valid
1.3s658×body2560valid
844.0ms1782×body640valid
268.0ms783×body320valid
147.0ms1131×body80valid
74.0ms371×body160valid