Details

Time bar (total: 23.9s)

sample234.0ms

Algorithm
intervals
Results
124.0ms107×body1280valid
46.0ms63×body640valid
34.0ms18×body2560valid
11.0ms23×body320valid
5.0ms33×body80valid
4.0ms12×body160valid

simplify8.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
8.0ms
(- (sin (+ x eps)) (sin x))

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.4b

localize46.0ms

Local error

Found 2 expressions with local error:

3.4b
(sin (+ x eps))
1.2b
(- (sin (+ x eps)) (sin x))

rewrite69.0ms

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
53.0ms
(- (sin (+ x eps)) (sin x))
15.0ms
(sin (+ x eps))

series81.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
50.0ms
(- (sin (+ x eps)) (sin x))
31.0ms
(sin (+ x eps))

simplify2.0s

Counts
33 → 48
Calls
33 calls:
Slowest
258.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
238.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
181.0ms
(fma (sqrt (sin (+ x eps))) (sqrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
156.0ms
(fma 1 (sin (+ x eps)) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))
145.0ms
(fma (* (cbrt (sin (+ x eps))) (cbrt (sin (+ x eps)))) (cbrt (sin (+ x eps))) (- (* (cbrt (sin x)) (* (cbrt (sin x)) (cbrt (sin x))))))

prune459.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize40.0ms

Local error

Found 3 expressions with local error:

3.3b
(cos (/ (+ x (+ eps x)) 2))
0.3b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite66.0ms

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
43.0ms
(cos (/ (+ x (+ eps x)) 2))
11.0ms
(+ x (+ eps x))
11.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))

series161.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
98.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
39.0ms
(cos (/ (+ x (+ eps x)) 2))
24.0ms
(+ x (+ eps x))

simplify1.9s

Counts
25 → 61
Calls
25 calls:
Slowest
675.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
450.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
277.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
75.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
53.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune691.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.2b

localize45.0ms

Local error

Found 2 expressions with local error:

3.3b
(cos (fma 1/2 eps x))
0.3b
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))

rewrite26.0ms

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 unswap-sqr
Counts
2 → 32
Calls
2 calls:
Slowest
21.0ms
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))
5.0ms
(cos (fma 1/2 eps x))

series94.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
73.0ms
(* (cos (fma 1/2 eps x)) (sin (/ eps 2)))
21.0ms
(cos (fma 1/2 eps x))

simplify1.1s

Counts
17 → 38
Calls
17 calls:
Slowest
358.0ms
(* (* (* (cos (fma 1/2 eps x)) (cos (fma 1/2 eps x))) (cos (fma 1/2 eps x))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
338.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/8 (pow eps 2))))
218.0ms
(- (* 1/2 eps) (+ (* 1/12 (pow eps 3)) (* 1/4 (* x (pow eps 2)))))
42.0ms
(+ (log (cos (fma 1/2 eps x))) (log (sin (/ eps 2))))
33.0ms
(* (sqrt (cos (fma 1/2 eps x))) (sqrt (sin (/ eps 2))))

prune379.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize42.0ms

Local error

Found 4 expressions with local error:

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

rewrite279.0ms

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-*l/ insert-posit16 log1p-expm1-u
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- frac-sub flip-- sub-div
sub-neg fma-neg diff-log prod-diff
Counts
4 → 88
Calls
4 calls:
Slowest
152.0ms
(* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (sin (/ eps 2)))
66.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
36.0ms
(* (sin (* 1/2 eps)) (sin x))
23.0ms
(* (cos (* 1/2 eps)) (cos x))

series394.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
146.0ms
(* (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))) (sin (/ eps 2)))
120.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
71.0ms
(* (sin (* 1/2 eps)) (sin x))
55.0ms
(* (cos (* 1/2 eps)) (cos x))

simplify5.4s

Counts
55 → 100
Calls
55 calls:
Slowest
713.0ms
(* (* (* (- (* (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)))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
631.0ms
(* (- (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))) (sin (/ eps 2)))
406.0ms
(- (* (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) 2) (* 2 (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x)))))
339.0ms
(* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x)))
321.0ms
(- (+ (cos (+ (* 1/2 eps) x)) (cos (- (* 1/2 eps) x))) (- (cos (- (* 1/2 eps) x)) (cos (+ (* 1/2 eps) x))))

prune1.5s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes177.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch7.0ms

end0.0ms

sample8.7s

Algorithm
intervals
Results
4.7s3263×body1280valid
1.6s1872×body640valid
1.4s644×body2560valid
518.0ms757×body320valid
174.0ms1114×body80valid
145.0ms350×body160valid