Details

Time bar (total: 24.8s)

sample258.0ms

Algorithm
intervals
Results
120.0ms106×body1280valid
56.0ms21×body2560valid
55.0ms71×body640valid
8.0ms15×body320valid
5.0ms32×body80valid
3.0ms11×body160valid

simplify13.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
12.0ms
(- (sin (+ x eps)) (sin x))

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.4b

localize63.0ms

Local error

Found 2 expressions with local error:

2.6b
(sin (+ x eps))
1.1b
(- (sin (+ x eps)) (sin x))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube sin-sum add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
Slowest
71.0ms
(- (sin (+ x eps)) (sin x))
19.0ms
(sin (+ x eps))

series91.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
69.0ms
(- (sin (+ x eps)) (sin x))
22.0ms
(sin (+ x eps))

simplify2.2s

Counts
33 → 48
Calls
33 calls:
Slowest
252.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
211.0ms
(fma (sqrt (sin (+ x eps))) (sqrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
206.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
183.0ms
(fma (* (cbrt (sin (+ x eps))) (cbrt (sin (+ x eps)))) (cbrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
170.0ms
(fma 1 (sin (+ x eps)) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))

prune410.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize25.0ms

Local error

Found 3 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))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-cbrt-cube add-exp-log
expm1-log1p-u sum-log fma-def associate-*r* associate-*l* insert-posit16 log1p-expm1-u distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 52
Calls
3 calls:
Slowest
45.0ms
(cos (/ (+ x (+ eps x)) 2))
24.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
20.0ms
(+ x (+ eps x))

series191.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
119.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
43.0ms
(+ x (+ eps x))
29.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.7s

Counts
25 → 61
Calls
25 calls:
Slowest
462.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
423.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
239.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
67.0ms
(cos (* 1/2 (+ (* 2 x) eps)))
65.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune822.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.6b

localize24.0ms

Local error

Found 2 expressions with local error:

2.7b
(cos (fma 1/2 eps x))
0.2b
(* (sin (* eps 1/2)) (cos (fma 1/2 eps x)))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef sin-cos-mult unswap-sqr
Counts
2 → 33
Calls
2 calls:
Slowest
27.0ms
(* (sin (* eps 1/2)) (cos (fma 1/2 eps x)))
3.0ms
(cos (fma 1/2 eps x))

series100.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
78.0ms
(* (sin (* eps 1/2)) (cos (fma 1/2 eps x)))
22.0ms
(cos (fma 1/2 eps x))

simplify1.3s

Counts
18 → 39
Calls
18 calls:
Slowest
405.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (cos (fma 1/2 eps x)) (cos (fma 1/2 eps x))) (cos (fma 1/2 eps x))))
336.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))
249.0ms
(- (* 1/2 eps) (+ (* 1/12 (pow eps 3)) (* 1/4 (* x (pow eps 2)))))
75.0ms
(+ (sin (- (* eps 1/2) (fma 1/2 eps x))) (sin (+ (* eps 1/2) (fma 1/2 eps x))))
27.0ms
(* (sin (* 1/2 eps)) (cos (fma 1/2 eps x)))

prune556.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize72.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin (* eps 1/2)) (- (* (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))

rewrite273.0ms

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
cos-mult sin-mult
expm1-log1p-u associate-*r/ insert-posit16 log1p-expm1-u
distribute-rgt-in sub-neg distribute-lft-in prod-diff pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- frac-sub flip-- sub-div
fma-neg diff-log
Counts
4 → 94
Calls
4 calls:
Slowest
181.0ms
(* (sin (* eps 1/2)) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
50.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
20.0ms
(* (sin (* 1/2 eps)) (sin x))
20.0ms
(* (cos (* 1/2 eps)) (cos x))

series437.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
153.0ms
(* (sin (* eps 1/2)) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
140.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
73.0ms
(* (cos (* 1/2 eps)) (cos x))
70.0ms
(* (sin (* 1/2 eps)) (sin x))

simplify5.9s

Counts
60 → 106
Calls
60 calls:
Slowest
1.4s
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (- (* (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)))))
519.0ms
(- (* (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) 2) (* 2 (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))))
391.0ms
(* (* (* (cos (* 1/2 eps)) (cos (* 1/2 eps))) (cos (* 1/2 eps))) (* (* (cos x) (cos x)) (cos x)))
375.0ms
(+ (* (* (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)))))
346.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))

prune1.6s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes226.0ms

Accuracy

0% (0.3b remaining)

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

bsearch17.0ms

end0.0ms

sample8.4s

Algorithm
intervals
Results
4.7s3227×body1280valid
1.6s1967×body640valid
1.2s616×body2560valid
388.0ms764×body320valid
223.0ms351×body160valid
152.0ms1075×body80valid