Details

Time bar (total: 18.1s)

sample185.0ms

Algorithm
intervals
Results
89.0ms103×body1280valid
28.0ms16×body2560valid
26.0ms49×body640valid
22.0ms35×body320valid
5.0ms41×body80valid
3.0ms12×body160valid

simplify7.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.7b

localize58.0ms

Local error

Found 2 expressions with local error:

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

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube sin-sum add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
Slowest
29.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series109.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
73.0ms
(- (sin (+ x eps)) (sin x))
36.0ms
(sin (+ x eps))

simplify1.3s

Counts
32 → 32

prune368.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 3 expressions with local error:

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

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-cos-mult unswap-sqr
Counts
3 → 44
Calls
3 calls:
Slowest
34.0ms
(cos (/ (+ x (+ x eps)) 2))
15.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
10.0ms
(+ x (+ x eps))

series134.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
69.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
38.0ms
(+ x (+ x eps))
27.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.7s

Counts
53 → 53

prune642.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

localize35.0ms

Local error

Found 4 expressions with local error:

2.6b
(cos (/ (+ x (+ x eps)) 2))
2.6b
(cos (/ (+ x (+ x eps)) 2))
2.6b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
cbrt-prod cbrt-div pow1/3 pow3 associate-*l/ cos-mult rem-cbrt-cube
Counts
4 → 36
Calls
4 calls:
Slowest
39.0ms
(cos (/ (+ x (+ x eps)) 2))
29.0ms
(cos (/ (+ x (+ x eps)) 2))
19.0ms
(cos (/ (+ x (+ x eps)) 2))
11.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

series135.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
41.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
37.0ms
(cos (/ (+ x (+ x eps)) 2))
29.0ms
(cos (/ (+ x (+ x eps)) 2))
26.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.6s

Counts
48 → 48

prune554.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.3b

localize67.0ms

Local error

Found 4 expressions with local error:

2.6b
(cos (/ (+ x (+ x eps)) 2))
2.6b
(cos (/ (+ x (+ x eps)) 2))
2.6b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(cbrt (cos (/ (+ x (+ x eps)) 2)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
cbrt-prod
pow1/3
Counts
4 → 36
Calls
4 calls:
Slowest
30.0ms
(cos (/ (+ x (+ x eps)) 2))
22.0ms
(cos (/ (+ x (+ x eps)) 2))
18.0ms
(cos (/ (+ x (+ x eps)) 2))
1.0ms
(cbrt (cos (/ (+ x (+ x eps)) 2)))

series171.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
86.0ms
(cbrt (cos (/ (+ x (+ x eps)) 2)))
31.0ms
(cos (/ (+ x (+ x eps)) 2))
27.0ms
(cos (/ (+ x (+ x eps)) 2))
26.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify756.0ms

Counts
48 → 48

prune629.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.3b

regimes178.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.4b against oracle of 0.4b and baseline of 15.3b

bsearch224.0ms

end0.0ms

sample7.0s

Algorithm
intervals
Results
3.7s3343×body1280valid
1.4s650×body2560valid
1.1s1847×body640valid
340.0ms766×body320valid
129.0ms358×body160valid
110.0ms1036×body80valid