Details

Time bar (total: 24.6s)

sample211.0ms

Algorithm
intervals
Results
112.0ms142×body1280valid
49.0ms34×body2560valid
26.0ms46×body640valid
11.0ms28×body320valid
1.0msbody160valid
0.0msbody80valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune39.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.5b

localize16.0ms

Local error

Found 2 expressions with local error:

1.1b
(- (cos (+ x eps)) (cos x))
3.7b
(cos (+ x eps))

rewrite26.0ms

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:
17.0ms
(- (cos (+ x eps)) (cos x))
8.0ms
(cos (+ x eps))

series106.0ms

Counts
2 → 6
Calls
2 calls:
89.0ms
(- (cos (+ x eps)) (cos x))
17.0ms
(cos (+ x eps))

simplify1.6s

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

prune254.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.4b

localize25.0ms

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)))
3.6b
(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:
53.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
11.0ms
(+ x (+ x eps))
56.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
31.0ms
(sin (/ (+ x (+ x eps)) 2))

series290.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2))))
42.0ms
(+ x (+ x eps))
103.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
53.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify988.0ms

Counts
76 → 76
Iterations
IterNodes
32396
2826
1289
0123

prune681.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.3b

localize20.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
3.5b
(sin (+ x (* eps 1/2)))

rewrite65.0ms

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:
51.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
13.0ms
(sin (+ x (* eps 1/2)))

series132.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(* (* -2 (sin (* eps 1/2))) (sin (+ x (* eps 1/2))))
48.0ms
(sin (+ x (* eps 1/2)))

simplify3.5s

Counts
36 → 36
Iterations
IterNodes
44094
31842
2563
1190
076

prune309.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize33.0ms

Local error

Found 4 expressions with local error:

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

rewrite219.0ms

Algorithm
rewrite-expression-head
Rules
32×pow1 add-cbrt-cube add-exp-log
18×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt
*-un-lft-identity associate-*r* associate-*l* add-cube-cbrt
*-commutative insert-posit16 add-log-exp
sin-cos-mult unswap-sqr
associate-*l/
Counts
4 → 86
Calls
4 calls:
18.0ms
(* (sin x) (cos (* eps 1/2)))
18.0ms
(* (cos x) (sin (* eps 1/2)))
87.0ms
(* (* (sin x) (cos (* eps 1/2))) (* -2 (sin (* eps 1/2))))
95.0ms
(* (* (cos x) (sin (* eps 1/2))) (* -2 (sin (* eps 1/2))))

series397.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (sin x) (cos (* eps 1/2)))
84.0ms
(* (cos x) (sin (* eps 1/2)))
164.0ms
(* (* (sin x) (cos (* eps 1/2))) (* -2 (sin (* eps 1/2))))
76.0ms
(* (* (cos x) (sin (* eps 1/2))) (* -2 (sin (* eps 1/2))))

simplify6.7s

Counts
98 → 98
Iterations
IterNodes
38274
21655
1421
0165

prune926.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

regimes192.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
224
124
016

end0.0ms

sample7.7s

Algorithm
intervals
Results
4.4s4532×body1280valid
1.5s1747×body640valid
1.2s645×body2560valid
277.0ms673×body320valid
79.0ms334×body160valid
8.0ms69×body80valid