Details

Time bar (total: 19.2s)

sample245.0ms

Algorithm
intervals
Results
121.0ms137×body1280valid
53.0ms58×body640valid
39.0ms22×body2560valid
14.0ms28×body320valid
3.0msbody160valid
0.0msbody80valid

simplify15.0ms

Counts
1 → 1

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.7b

localize20.0ms

Local error

Found 2 expressions with local error:

4.5b
(cos (+ x eps))
1.6b
(- (cos (+ x eps)) (cos x))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 cos-sum add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
associate--l- sub-neg flip3-- diff-log diff-cos flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
Slowest
45.0ms
(- (cos (+ x eps)) (cos x))
7.0ms
(cos (+ x eps))

series97.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
73.0ms
(- (cos (+ x eps)) (cos x))
24.0ms
(cos (+ x eps))

simplify1.4s

Counts
32 → 32

prune340.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.3b

localize51.0ms

Local error

Found 4 expressions with local error:

4.4b
(sin (/ (+ x (+ x eps)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))
0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))

rewrite152.0ms

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 sin-mult
+-commutative associate-+r+ flip3-+ associate-*r/ flip-+ unswap-sqr
Counts
4 → 64
Calls
4 calls:
Slowest
62.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
52.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
25.0ms
(sin (/ (+ x (+ x eps)) 2))
12.0ms
(+ x (+ x eps))

series266.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
112.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
76.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
41.0ms
(+ x (+ x eps))
36.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.0s

Counts
76 → 76

prune864.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.2b

localize39.0ms

Local error

Found 2 expressions with local error:

4.5b
(sin (+ x (* eps 1/2)))
0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity sin-sum associate-*r* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
insert-posit16 add-log-exp
distribute-rgt-in distribute-lft-in associate-*l* *-commutative
Counts
2 → 30
Calls
2 calls:
Slowest
57.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
8.0ms
(sin (+ x (* eps 1/2)))

series124.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
91.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
33.0ms
(sin (+ x (* eps 1/2)))

simplify2.9s

Counts
36 → 36

prune444.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize50.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))
0.2b
(* (cos x) (sin (* eps 1/2)))
0.1b
(* (sin x) (cos (* eps 1/2)))
0.1b
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))

rewrite291.0ms

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 cbrt-unprod
insert-posit16
*-commutative
flip3-+ associate-*r/ flip-+ unswap-sqr
distribute-rgt-in +-commutative sum-log distribute-lft-in sin-cos-mult
Counts
4 → 74
Calls
4 calls:
Slowest
167.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))
52.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
35.0ms
(* (cos x) (sin (* eps 1/2)))
34.0ms
(* (sin x) (cos (* eps 1/2)))

series459.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
199.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))
141.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
64.0ms
(* (sin x) (cos (* eps 1/2)))
55.0ms
(* (cos x) (sin (* eps 1/2)))

simplify775.0ms

Counts
86 → 86

prune1.0s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes205.0ms

Accuracy

0% (0.4b remaining)

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

bsearch7.0ms

end0.0ms

sample8.3s

Algorithm
intervals
Results
5.3s4478×body1280valid
1.2s1828×body640valid
1.1s648×body2560valid
332.0ms655×body320valid
120.0ms316×body160valid
10.0ms75×body80valid