Details

Time bar (total: 15.8s)

sample198.0ms

Algorithm
intervals
Results
114.0ms143×body1280valid
33.0ms21×body2560valid
26.0ms46×body640valid
11.0ms28×body320valid
3.0ms13×body160valid
1.0msbody80valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.1b

localize57.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (cos (+ x eps)) (cos x))
3.8b
(cos (+ x eps))

rewrite30.0ms

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:
15.0ms
(- (cos (+ x eps)) (cos x))
15.0ms
(cos (+ x eps))

series98.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(- (cos (+ x eps)) (cos x))
17.0ms
(cos (+ x eps))

simplify780.0ms

Counts
32 → 32
Iterations
IterNodes
done5000
31205
2338
1137
067

prune214.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.4b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (+ x eps))
0.2b
(/ (+ x (+ x eps)) 2)
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
3.4b
(sin (/ (+ x (+ x eps)) 2))

rewrite152.0ms

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-mult unswap-sqr
Counts
4 → 82
Calls
4 calls:
11.0ms
(+ x (+ x eps))
55.0ms
(/ (+ x (+ x eps)) 2)
63.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
21.0ms
(sin (/ (+ x (+ x eps)) 2))

series216.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(+ x (+ x eps))
58.0ms
(/ (+ x (+ x eps)) 2)
95.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ x eps)) 2)))
38.0ms
(sin (/ (+ x (+ x eps)) 2))

simplify942.0ms

Counts
94 → 94
Iterations
IterNodes
done5002
21236
1304
0136

prune508.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(* -2 (* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps))))
0.3b
(* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps)))
3.4b
(sin (+ (* 1/2 eps) x))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
insert-posit16 add-log-exp
*-commutative sin-mult
sin-sum associate-*r/ unswap-sqr
Counts
3 → 49
Calls
3 calls:
90.0ms
(* -2 (* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps))))
60.0ms
(* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps)))
25.0ms
(sin (+ (* 1/2 eps) x))

series240.0ms

Counts
3 → 9
Calls
3 calls:
106.0ms
(* -2 (* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps))))
91.0ms
(* (sin (+ (* 1/2 eps) x)) (sin (* 1/2 eps)))
43.0ms
(sin (+ (* 1/2 eps) x))

simplify1.1s

Counts
58 → 58
Iterations
IterNodes
done5001
2833
1215
097

prune311.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize65.0ms

Local error

Found 4 expressions with local error:

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

rewrite230.0ms

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
insert-posit16
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-+ associate-*l/ flip-+
+-commutative sum-log sin-cos-mult
Counts
4 → 72
Calls
4 calls:
32.0ms
(+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x)))
19.0ms
(* (sin (* 1/2 eps)) (cos x))
37.0ms
(* (cos (* 1/2 eps)) (sin x))
140.0ms
(* (+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x))) (sin (* 1/2 eps)))

series514.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x)))
81.0ms
(* (sin (* 1/2 eps)) (cos x))
64.0ms
(* (cos (* 1/2 eps)) (sin x))
216.0ms
(* (+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x))) (sin (* 1/2 eps)))

simplify1.4s

Counts
84 → 84
Iterations
IterNodes
done5002
21687
1350
0143

prune423.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes285.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done23
123
018

end0.0ms

sample7.9s

Algorithm
intervals
Results
4.8s4357×body1280valid
1.3s1935×body640valid
1.1s617×body2560valid
365.0ms707×body320valid
74.0ms294×body160valid
12.0ms90×body80valid