Details

Time bar (total: 14.8s)

sample153.0ms

Algorithm
intervals
Results
74.0ms112×body1280valid
33.0ms20×body2560valid
23.0ms53×body640valid
8.0ms22×body320valid
4.0ms38×body80valid
2.0ms11×body160valid

simplify10.0ms

Counts
1 → 1

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize55.0ms

Local error

Found 2 expressions with local error:

3.5b
(sin (+ x eps))
1.0b
(- (sin (+ x eps)) (sin x))

rewrite64.0ms

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
51.0ms
(- (sin (+ x eps)) (sin x))
12.0ms
(sin (+ x eps))

series96.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
72.0ms
(- (sin (+ x eps)) (sin x))
24.0ms
(sin (+ x eps))

simplify1.2s

Counts
32 → 32

prune256.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize36.0ms

Local error

Found 4 expressions with local error:

3.7b
(cos (/ (+ x (+ x eps)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.2b
(/ (+ x (+ x eps)) 2)
0.0b
(+ x (+ x eps))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
41×*-un-lft-identity
18×add-sqr-sqrt
16×add-cube-cbrt
15×times-frac distribute-lft-out
add-log-exp
add-cbrt-cube add-exp-log
pow1
associate-/l*
insert-posit16
associate-/r* sum-log associate-*r* associate-*l*
flip3-+ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+r+ clear-num frac-2neg div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv sin-cos-mult unswap-sqr
Counts
4 → 82
Calls
4 calls:
Slowest
51.0ms
(/ (+ x (+ x eps)) 2)
28.0ms
(cos (/ (+ x (+ x eps)) 2))
19.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
14.0ms
(+ x (+ x eps))

series179.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
62.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
51.0ms
(/ (+ x (+ x eps)) 2)
34.0ms
(+ x (+ x eps))
31.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.2s

Counts
94 → 94

prune1.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.3b

localize41.0ms

Local error

Found 2 expressions with local error:

3.7b
(cos (+ (* 1/2 eps) x))
0.2b
(* (sin (/ eps 2)) (cos (+ (* 1/2 eps) x)))

rewrite65.0ms

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*
insert-posit16 add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod sin-cos-mult unswap-sqr
Counts
2 → 29
Calls
2 calls:
Slowest
40.0ms
(* (sin (/ eps 2)) (cos (+ (* 1/2 eps) x)))
25.0ms
(cos (+ (* 1/2 eps) x))

series102.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
75.0ms
(* (sin (/ eps 2)) (cos (+ (* 1/2 eps) x)))
26.0ms
(cos (+ (* 1/2 eps) x))

simplify1.1s

Counts
35 → 35

prune359.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite264.0ms

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
associate-*r/ insert-posit16
sub-neg pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
distribute-rgt-in distribute-lft-in flip3-- frac-sub flip-- sub-div
diff-log
Counts
4 → 82
Calls
4 calls:
Slowest
173.0ms
(* (sin (/ eps 2)) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
43.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
27.0ms
(* (sin (* 1/2 eps)) (sin x))
19.0ms
(* (cos (* 1/2 eps)) (cos x))

series329.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
130.0ms
(* (sin (/ eps 2)) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))
94.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
57.0ms
(* (sin (* 1/2 eps)) (sin x))
49.0ms
(* (cos (* 1/2 eps)) (cos x))

simplify1.0s

Counts
94 → 94

prune892.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

regimes119.0ms

Accuracy

0% (0.2b remaining)

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

bsearch2.0ms

end0.0ms

sample6.0s

Algorithm
intervals
Results
3.5s3268×body1280valid
963.0ms667×body2560valid
883.0ms1871×body640valid
242.0ms768×body320valid
114.0ms1106×body80valid
98.0ms320×body160valid