Details

Time bar (total: 15.4s)

sample210.0ms

Algorithm
intervals
Results
92.0ms97×body1280valid
44.0ms59×body640valid
40.0ms21×body2560valid
10.0ms24×body320valid
6.0ms42×body80valid
5.0ms13×body160valid

simplify16.0ms

Counts
1 → 1

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.2b

localize81.0ms

Local error

Found 2 expressions with local error:

2.7b
(sin (+ x eps))
1.6b
(- (sin (+ x eps)) (sin x))

rewrite53.0ms

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
38.0ms
(- (sin (+ x eps)) (sin x))
14.0ms
(sin (+ x eps))

series82.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
56.0ms
(- (sin (+ x eps)) (sin x))
26.0ms
(sin (+ x eps))

simplify589.0ms

Counts
36 → 32

prune254.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.6b

localize41.0ms

Local error

Found 3 expressions with local error:

2.7b
(cos (/ (+ x (+ x eps)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))

rewrite96.0ms

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
44.0ms
(cos (/ (+ x (+ x eps)) 2))
30.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
21.0ms
(+ x (+ x eps))

series157.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
74.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
43.0ms
(+ x (+ x eps))
39.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify689.0ms

Counts
54 → 53

prune629.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.5b

localize46.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (/ (+ x (+ x eps)) 2))
2.7b
(cos (/ (+ x (+ x eps)) 2))
2.7b
(cos (/ (+ x (+ x eps)) 2))
0.4b
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

rewrite105.0ms

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
40.0ms
(cos (/ (+ x (+ x eps)) 2))
23.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
21.0ms
(cos (/ (+ x (+ x eps)) 2))
20.0ms
(cos (/ (+ x (+ x eps)) 2))

series149.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
44.0ms
(cos (/ (+ x (+ x eps)) 2))
42.0ms
(cos (/ (+ x (+ x eps)) 2))
32.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
31.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify964.0ms

Counts
48 → 48

prune608.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.5b

localize34.0ms

Local error

Found 4 expressions with local error:

2.7b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(log (exp (cos (/ (+ x (+ eps x)) 2))))
0.2b
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ eps x)) 2)))))
0.1b
(exp (cos (/ (+ x (+ eps x)) 2)))

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity add-cube-cbrt
log-prod exp-prod
pow1 log-pow
associate-*r*
add-cbrt-cube add-exp-log
add-log-exp
insert-posit16
distribute-rgt-in distribute-lft-in associate-*l*
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 65
Calls
4 calls:
Slowest
40.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))
33.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ eps x)) 2)))))
27.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
18.0ms
(cos (/ (+ x (+ eps x)) 2))

series221.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
75.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ eps x)) 2)))))
63.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
41.0ms
(cos (/ (+ x (+ eps x)) 2))
41.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))

simplify488.0ms

Counts
84 → 77

prune885.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.5b

regimes357.0ms

Accuracy

99.6% (0.1b remaining)

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

bsearch302.0ms

end0.0ms

sample8.2s

Algorithm
intervals
Results
4.4s3329×body1280valid
1.6s622×body2560valid
1.3s1859×body640valid
520.0ms785×body320valid
141.0ms1073×body80valid
94.0ms332×body160valid