Details

Time bar (total: 22.0s)

sample283.0ms

Algorithm
intervals
Results
147.0ms145×body1280valid
44.0ms21×body2560valid
43.0ms64×body640valid
31.0ms12×body320valid
3.0ms11×body160valid
0.0msbody80valid

simplify17.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
17.0ms
(- (cos (+ x eps)) (cos x))

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.6b

localize28.0ms

Local error

Found 2 expressions with local error:

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

rewrite41.0ms

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 cos-sum add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
associate--l- sub-neg flip3-- diff-log diff-cos flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
Slowest
24.0ms
(- (cos (+ x eps)) (cos x))
16.0ms
(cos (+ x eps))

series107.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
67.0ms
(- (cos (+ x eps)) (cos x))
39.0ms
(cos (+ x eps))

simplify2.1s

Counts
33 → 48
Calls
33 calls:
Slowest
224.0ms
(- 1 (+ (* x eps) (* 1/2 (pow x 2))))
212.0ms
(- (* 1/6 (* (pow x 3) eps)) (+ (* 1/2 (pow eps 2)) (* x eps)))
199.0ms
(fma 1 (cos (+ x eps)) (- (* (cbrt (cos x)) (* (cbrt (cos x)) (cbrt (cos x))))))
186.0ms
(fma (sqrt (cos (+ x eps))) (sqrt (cos (+ x eps))) (- (* (cbrt (cos x)) (* (cbrt (cos x)) (cbrt (cos x))))))
162.0ms
(fma (* (cbrt (cos (+ x eps))) (cbrt (cos (+ x eps)))) (cbrt (cos (+ x eps))) (- (* (cbrt (cos x)) (* (cbrt (cos x)) (cbrt (cos x))))))

prune495.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.7b

localize42.0ms

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))

rewrite113.0ms

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-+ sin-mult unswap-sqr
Counts
3 → 53
Calls
3 calls:
Slowest
72.0ms
(* (sin (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
21.0ms
(sin (/ (+ x (+ eps x)) 2))
18.0ms
(+ x (+ eps x))

series185.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
105.0ms
(* (sin (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
41.0ms
(+ x (+ eps x))
38.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.6s

Counts
26 → 62
Calls
26 calls:
Slowest
387.0ms
(* (* (* (sin (/ (+ x (+ eps x)) 2)) (sin (/ (+ x (+ eps x)) 2))) (sin (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
274.0ms
(- (+ (* 1/4 (pow eps 2)) (* 1/2 (* x eps))) (* 1/12 (* (pow x 3) eps)))
259.0ms
(- (+ x (* 1/2 eps)) (* 1/6 (pow x 3)))
68.0ms
(* (sin (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
68.0ms
(* (sin (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))

prune746.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.6b

localize32.0ms

Local error

Found 2 expressions with local error:

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

rewrite51.0ms

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* fma-udef
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp *-commutative cbrt-unprod sin-mult unswap-sqr
Counts
2 → 35
Calls
2 calls:
Slowest
45.0ms
(* (sin (* eps 1/2)) (sin (fma 1/2 eps x)))
5.0ms
(sin (fma 1/2 eps x))

series103.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
60.0ms
(* (sin (* eps 1/2)) (sin (fma 1/2 eps x)))
43.0ms
(sin (fma 1/2 eps x))

simplify1.2s

Counts
20 → 41
Calls
20 calls:
Slowest
356.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (sin (fma 1/2 eps x)) (sin (fma 1/2 eps x))) (sin (fma 1/2 eps x))))
254.0ms
(- (+ x (* 1/2 eps)) (* 1/48 (pow eps 3)))
184.0ms
(- (+ (* 1/2 (* x eps)) (* 1/4 (pow eps 2))) (* 1/48 (pow eps 4)))
71.0ms
(- (cos (- (* eps 1/2) (fma 1/2 eps x))) (cos (+ (* eps 1/2) (fma 1/2 eps x))))
41.0ms
(* (sin (* eps 1/2)) (* (cos (* 1/2 eps)) (sin x)))

prune520.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

localize62.0ms

Local error

Found 4 expressions with local error:

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

rewrite217.0ms

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
expm1-log1p-u *-commutative insert-posit16 log1p-expm1-u add-log-exp
sin-cos-mult unswap-sqr
associate-*r/
Counts
4 → 86
Calls
4 calls:
Slowest
92.0ms
(* (sin (* eps 1/2)) (* (sin (* 1/2 eps)) (cos x)))
72.0ms
(* (sin (* eps 1/2)) (* (cos (* 1/2 eps)) (sin x)))
29.0ms
(* (sin (* 1/2 eps)) (cos x))
22.0ms
(* (cos (* 1/2 eps)) (sin x))

series328.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
115.0ms
(* (sin (* eps 1/2)) (* (cos (* 1/2 eps)) (sin x)))
86.0ms
(* (sin (* 1/2 eps)) (cos x))
66.0ms
(* (cos (* 1/2 eps)) (sin x))
61.0ms
(* (sin (* eps 1/2)) (* (sin (* 1/2 eps)) (cos x)))

simplify4.1s

Counts
51 → 98
Calls
51 calls:
Slowest
640.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (cos (* 1/2 eps)) (sin x)) (* (cos (* 1/2 eps)) (sin x))) (* (cos (* 1/2 eps)) (sin x))))
511.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (cos (* 1/2 eps)) (cos (* 1/2 eps))) (cos (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x))))
441.0ms
(* (* (* (sin (* eps 1/2)) (sin (* eps 1/2))) (sin (* eps 1/2))) (* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (cos x) (cos x)) (cos x))))
395.0ms
(* (* (* (sin (* 1/2 eps)) (sin (* 1/2 eps))) (sin (* 1/2 eps))) (* (* (cos x) (cos x)) (cos x)))
354.0ms
(* (* (* (cos (* 1/2 eps)) (cos (* 1/2 eps))) (cos (* 1/2 eps))) (* (* (sin x) (sin x)) (sin x)))

prune1.5s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

regimes222.0ms

Accuracy

0% (0.3b remaining)

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

bsearch5.0ms

end0.0ms

sample7.9s

Algorithm
intervals
Results
5.1s4392×body1280valid
1.2s1944×body640valid
1.1s616×body2560valid
280.0ms662×body320valid
78.0ms313×body160valid
9.0ms73×body80valid