Details

Time bar (total: 19.1s)

sample181.0ms

Algorithm
intervals
Results
84.0ms103×body1280valid
29.0ms49×body640valid
24.0ms16×body2560valid
23.0ms35×body320valid
5.0ms41×body80valid
3.0ms12×body160valid

simplify16.0ms

Counts
1 → 1

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.7b

localize59.0ms

Local error

Found 2 expressions with local error:

2.6b
(sin (+ x eps))
1.9b
(- (sin (+ x eps)) (sin x))

rewrite47.0ms

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:
Slowest
36.0ms
(- (sin (+ x eps)) (sin x))
11.0ms
(sin (+ x eps))

series93.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
62.0ms
(- (sin (+ x eps)) (sin x))
31.0ms
(sin (+ x eps))

simplify1.3s

Counts
48 → 48

prune420.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize37.0ms

Local error

Found 3 expressions with local error:

2.6b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
0.0b
(+ x (+ eps x))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-cbrt-cube add-exp-log
expm1-log1p-u sum-log fma-def associate-*r* associate-*l* insert-posit16 log1p-expm1-u distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-cos-mult unswap-sqr
Counts
3 → 53
Calls
3 calls:
Slowest
32.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
31.0ms
(cos (/ (+ x (+ eps x)) 2))
23.0ms
(+ x (+ eps x))

series149.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
75.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
37.0ms
(+ x (+ eps x))
37.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify778.0ms

Counts
62 → 62

prune741.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.3b

localize19.0ms

Local error

Found 2 expressions with local error:

2.7b
(cos (fma eps 1/2 x))
0.2b
(* (cos (fma eps 1/2 x)) (sin (* 1/2 eps)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef unswap-sqr
Counts
2 → 32
Calls
2 calls:
Slowest
25.0ms
(* (cos (fma eps 1/2 x)) (sin (* 1/2 eps)))
3.0ms
(cos (fma eps 1/2 x))

series95.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
71.0ms
(* (cos (fma eps 1/2 x)) (sin (* 1/2 eps)))
24.0ms
(cos (fma eps 1/2 x))

simplify1.6s

Counts
38 → 38

prune529.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize71.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))) (sin (* 1/2 eps)))
0.2b
(* (sin (* eps 1/2)) (sin x))
0.1b
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
0.1b
(* (cos (* eps 1/2)) (cos x))

rewrite295.0ms

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
cos-mult sin-mult
expm1-log1p-u associate-*l/ insert-posit16 log1p-expm1-u
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- frac-sub flip-- sub-div
sub-neg fma-neg diff-log prod-diff
Counts
4 → 88
Calls
4 calls:
Slowest
205.0ms
(* (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))) (sin (* 1/2 eps)))
50.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
20.0ms
(* (sin (* eps 1/2)) (sin x))
18.0ms
(* (cos (* eps 1/2)) (cos x))

series442.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
148.0ms
(* (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))) (sin (* 1/2 eps)))
143.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
85.0ms
(* (sin (* eps 1/2)) (sin x))
66.0ms
(* (cos (* eps 1/2)) (cos x))

simplify2.4s

Counts
100 → 100

prune1.6s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes202.0ms

Accuracy

0% (0.3b remaining)

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

bsearch5.0ms

end0.0ms

sample8.0s

Algorithm
intervals
Results
4.4s3343×body1280valid
1.4s1847×body640valid
1.3s650×body2560valid
372.0ms766×body320valid
190.0ms1036×body80valid
104.0ms358×body160valid