Details

Time bar (total: 33.5s)

sample186.0ms

Algorithm
intervals
Results
80.0ms98×body1280valid
42.0ms24×body2560valid
27.0ms56×body640valid
7.0ms22×body320valid
5.0ms44×body80valid
2.0ms12×body160valid

simplify38.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.7b

localize27.0ms

Local error

Found 2 expressions with local error:

2.0b
(- (sin (+ x eps)) (sin x))
2.7b
(sin (+ x eps))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube sin-sum add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
91.0ms
(- (sin (+ x eps)) (sin x))
22.0ms
(sin (+ x eps))

series140.0ms

Counts
2 → 6
Calls
2 calls:
99.0ms
(- (sin (+ x eps)) (sin x))
41.0ms
(sin (+ x eps))

simplify6.9s

Counts
48 → 48
Iterations
IterNodes
done5007
43899
31262
2462
1204
092

prune513.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize44.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 2 (* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2))))
0.2b
(* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2)))
2.8b
(cos (/ (fma 2 x eps) 2))

rewrite127.0ms

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
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
*-commutative sin-cos-mult
associate-*r/ unswap-sqr
Counts
3 → 54
Calls
3 calls:
83.0ms
(* 2 (* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2))))
31.0ms
(* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2)))
8.0ms
(cos (/ (fma 2 x eps) 2))

series292.0ms

Counts
3 → 9
Calls
3 calls:
139.0ms
(* 2 (* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2))))
109.0ms
(* (sin (* 1/2 eps)) (cos (/ (fma 2 x eps) 2)))
45.0ms
(cos (/ (fma 2 x eps) 2))

simplify5.4s

Counts
63 → 63
Iterations
IterNodes
done5001
32413
2632
1235
098

prune904.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.4b

localize50.0ms

Local error

Found 2 expressions with local error:

0.2b
(* (* (sin (* 1/2 eps)) 2) (cos (fma 1/2 eps x)))
2.8b
(cos (fma 1/2 eps x))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity associate-*r* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cos-sum associate-*l* *-commutative fma-udef
Counts
2 → 32
Calls
2 calls:
57.0ms
(* (* (sin (* 1/2 eps)) 2) (cos (fma 1/2 eps x)))
4.0ms
(cos (fma 1/2 eps x))

series188.0ms

Counts
2 → 6
Calls
2 calls:
154.0ms
(* (* (sin (* 1/2 eps)) 2) (cos (fma 1/2 eps x)))
33.0ms
(cos (fma 1/2 eps x))

simplify5.5s

Counts
38 → 38
Iterations
IterNodes
done5004
31802
2528
1174
072

prune582.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize97.0ms

Local error

Found 4 expressions with local error:

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

rewrite446.0ms

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 cos-mult cbrt-unprod sin-mult
expm1-log1p-u associate-*r/ insert-posit16 log1p-expm1-u
distribute-rgt-in sub-neg distribute-lft-in prod-diff *-commutative
flip3-- frac-sub flip-- sub-div unswap-sqr
fma-neg diff-log
Counts
4 → 94
Calls
4 calls:
47.0ms
(* (cos (* 1/2 eps)) (cos x))
58.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
52.0ms
(* (sin (* 1/2 eps)) (sin x))
279.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))

series751.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (cos (* 1/2 eps)) (cos x))
191.0ms
(- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x)))
108.0ms
(* (sin (* 1/2 eps)) (sin x))
346.0ms
(* (* (sin (* 1/2 eps)) 2) (- (* (cos (* 1/2 eps)) (cos x)) (* (sin (* 1/2 eps)) (sin x))))

simplify3.5s

Counts
106 → 106
Iterations
IterNodes
done5001
21505
1447
0169

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

regimes493.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify20.0ms

Iterations
IterNodes
done42
342
235
129
016

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.8s3263×body1280valid
1.2s1897×body640valid
1.1s649×body2560valid
287.0ms762×body320valid
93.0ms1093×body80valid
58.0ms336×body160valid