Details

Time bar (total: 20.2s)

sample254.0ms

Algorithm
intervals
Results
154.0ms116×body1280valid
37.0ms20×body2560valid
34.0ms52×body640valid
7.0ms43×body80valid
6.0ms15×body320valid
3.0ms10×body160valid

simplify17.0ms

Counts
1 → 1

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.0b

localize26.0ms

Local error

Found 2 expressions with local error:

3.2b
(sin (+ x eps))
0.6b
(- (sin (+ x eps)) (sin x))

rewrite87.0ms

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
72.0ms
(- (sin (+ x eps)) (sin x))
14.0ms
(sin (+ x eps))

series109.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
71.0ms
(- (sin (+ x eps)) (sin x))
38.0ms
(sin (+ x eps))

simplify1.4s

Counts
32 → 32

prune266.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize32.0ms

Local error

Found 3 expressions with local error:

3.1b
(cos (/ (+ x (+ x eps)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))

rewrite56.0ms

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
23.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
22.0ms
(cos (/ (+ x (+ x eps)) 2))
10.0ms
(+ x (+ x eps))

series143.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
72.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
36.0ms
(cos (/ (+ x (+ x eps)) 2))
35.0ms
(+ x (+ x eps))

simplify3.0s

Counts
53 → 53

prune594.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.3b

localize51.0ms

Local error

Found 4 expressions with local error:

3.1b
(cos (/ (+ x (+ x eps)) 2))
3.1b
(cos (/ (+ x (+ x eps)) 2))
3.1b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

rewrite137.0ms

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
43.0ms
(cos (/ (+ x (+ x eps)) 2))
38.0ms
(cos (/ (+ x (+ x eps)) 2))
38.0ms
(cos (/ (+ x (+ x eps)) 2))
17.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

series116.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
33.0ms
(cos (/ (+ x (+ x eps)) 2))
30.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
28.0ms
(cos (/ (+ x (+ x eps)) 2))
25.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.6s

Counts
48 → 48

prune618.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.2b

localize51.0ms

Local error

Found 4 expressions with local error:

3.1b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(log (exp (cos (/ (+ x (+ x eps)) 2))))
0.2b
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
0.1b
(exp (cos (/ (+ x (+ x eps)) 2)))

rewrite185.0ms

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
70.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
52.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
41.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
20.0ms
(cos (/ (+ x (+ x eps)) 2))

series193.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
67.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
57.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
29.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))

simplify1.1s

Counts
77 → 77

prune970.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.2b

regimes227.0ms

Accuracy

97.5% (0.4b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 15.5b

bsearch262.0ms

end0.0ms

sample7.7s

Algorithm
intervals
Results
3.7s3322×body1280valid
2.0s1841×body640valid
1.2s628×body2560valid
342.0ms751×body320valid
136.0ms1098×body80valid
88.0ms360×body160valid