Details

Time bar (total: 40.9s)

sample223.0ms

Algorithm
intervals
Results
103.0ms143×body1280valid
33.0ms28×body320valid
32.0ms21×body2560valid
23.0ms46×body640valid
3.0ms13×body160valid
1.0msbody80valid

simplify37.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.1b

localize61.0ms

Local error

Found 2 expressions with local error:

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

rewrite113.0ms

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:
66.0ms
(- (cos (+ x eps)) (cos x))
45.0ms
(cos (+ x eps))

series140.0ms

Counts
2 → 6
Calls
2 calls:
99.0ms
(- (cos (+ x eps)) (cos x))
42.0ms
(cos (+ x eps))

simplify7.4s

Counts
32 → 32
Iterations
IterNodes
done5000
53910
41422
3645
2280
1136
067

prune510.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.4b

localize126.0ms

Local error

Found 4 expressions with local error:

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

rewrite532.0ms

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:
37.0ms
(+ x (+ eps x))
165.0ms
(/ (+ x (+ eps x)) 2)
199.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
121.0ms
(sin (/ (+ x (+ eps x)) 2))

series276.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(+ x (+ eps x))
50.0ms
(/ (+ x (+ eps x)) 2)
112.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
59.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify7.2s

Counts
94 → 94
Iterations
IterNodes
done5001
33453
2925
1301
0136

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.2b

localize110.0ms

Local error

Found 3 expressions with local error:

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

rewrite310.0ms

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:
175.0ms
(* -2 (* (sin (+ x (* eps 1/2))) (sin (* eps 1/2))))
106.0ms
(* (sin (+ x (* eps 1/2))) (sin (* eps 1/2)))
27.0ms
(sin (+ x (* eps 1/2)))

series379.0ms

Counts
3 → 9
Calls
3 calls:
179.0ms
(* -2 (* (sin (+ x (* eps 1/2))) (sin (* eps 1/2))))
150.0ms
(* (sin (+ x (* eps 1/2))) (sin (* eps 1/2)))
49.0ms
(sin (+ x (* eps 1/2)))

simplify5.5s

Counts
58 → 58
Iterations
IterNodes
done5002
32599
2698
1228
098

prune904.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize148.0ms

Local error

Found 4 expressions with local error:

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

rewrite489.0ms

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:
108.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
44.0ms
(* (cos x) (sin (* eps 1/2)))
54.0ms
(* (sin x) (cos (* eps 1/2)))
276.0ms
(* (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))) (sin (* eps 1/2)))

series847.0ms

Counts
4 → 12
Calls
4 calls:
215.0ms
(+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2))))
118.0ms
(* (cos x) (sin (* eps 1/2)))
110.0ms
(* (sin x) (cos (* eps 1/2)))
404.0ms
(* (+ (* (sin x) (cos (* eps 1/2))) (* (cos x) (sin (* eps 1/2)))) (sin (* eps 1/2)))

simplify4.5s

Counts
84 → 84
Iterations
IterNodes
done5000
21452
1356
0145

prune1.1s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

regimes980.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify10.0ms

Iterations
IterNodes
done24
124
017

end0.0ms

sample7.6s

Algorithm
intervals
Results
4.4s4357×body1280valid
1.4s1935×body640valid
1.0s617×body2560valid
288.0ms707×body320valid
106.0ms294×body160valid
11.0ms90×body80valid