Details

Time bar (total: 28.0s)

sample289.0ms

Algorithm
intervals
Results
129.0ms129×body1280valid
89.0ms29×body2560valid
41.0ms62×body640valid
13.0ms28×body320valid
2.0msbody160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.3b

localize29.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (cos (+ x eps)) (cos x))
4.1b
(cos (+ x eps))

rewrite20.0ms

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:
11.0ms
(- (cos (+ x eps)) (cos x))
9.0ms
(cos (+ x eps))

series98.0ms

Counts
2 → 6
Calls
2 calls:
79.0ms
(- (cos (+ x eps)) (cos x))
19.0ms
(cos (+ x eps))

simplify1.6s

Counts
32 → 32
Iterations
IterNodes
53258
41330
3586
2268
1135
067

prune203.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.4b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
0.0b
(+ x (+ x eps))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
4.2b
(sin (/ (+ x (+ x eps)) 2))

rewrite203.0ms

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:
70.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
22.0ms
(+ x (+ x eps))
73.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
36.0ms
(sin (/ (+ x (+ x eps)) 2))

series239.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
43.0ms
(+ x (+ x eps))
67.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
38.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify1.1s

Counts
76 → 76
Iterations
IterNodes
32396
2826
1289
0123

prune419.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.4b

localize36.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
4.2b
(sin (+ x (* eps 1/2)))

rewrite70.0ms

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:
59.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
10.0ms
(sin (+ x (* eps 1/2)))

series110.0ms

Counts
2 → 6
Calls
2 calls:
72.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
38.0ms
(sin (+ x (* eps 1/2)))

simplify3.4s

Counts
36 → 36
Iterations
IterNodes
44094
31842
2563
1190
076

prune218.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize32.0ms

Local error

Found 4 expressions with local error:

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

rewrite181.0ms

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:
38.0ms
(* (cos x) (sin (* eps 1/2)))
19.0ms
(* (sin x) (cos (* eps 1/2)))
29.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
94.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

series467.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(* (cos x) (sin (* eps 1/2)))
67.0ms
(* (sin x) (cos (* eps 1/2)))
107.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
201.0ms
(* (* -2 (sin (* eps 1/2))) (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))))

simplify10.7s

Counts
86 → 86
Iterations
IterNodes
38631
21885
1442
0161

prune533.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

regimes241.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
222
122
015

end0.0ms

sample7.8s

Algorithm
intervals
Results
4.5s4377×body1280valid
1.6s1903×body640valid
1.2s640×body2560valid
268.0ms714×body320valid
69.0ms280×body160valid
10.0ms86×body80valid