Details

Time bar (total: 19.9s)

sample208.0ms

Algorithm
intervals
Results
107.0ms103×body1280valid
36.0ms22×body2560valid
31.0ms52×body640valid
16.0ms31×body320valid
6.0ms41×body80valid
2.0msbody160valid

simplify7.0ms

Counts
1 → 1

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize28.0ms

Local error

Found 2 expressions with local error:

4.4b
(sin (+ x eps))
0.9b
(- (sin (+ x eps)) (sin x))

rewrite54.0ms

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
43.0ms
(- (sin (+ x eps)) (sin x))
10.0ms
(sin (+ x eps))

series90.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
70.0ms
(- (sin (+ x eps)) (sin x))
19.0ms
(sin (+ x eps))

simplify1.3s

Counts
32 → 32

prune309.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize51.0ms

Local error

Found 3 expressions with local error:

4.2b
(cos (/ (+ x (+ x eps)) 2))
0.3b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))

rewrite65.0ms

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
25.0ms
(cos (/ (+ x (+ x eps)) 2))
24.0ms
(+ x (+ x eps))
15.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))

series103.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
49.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
27.0ms
(cos (/ (+ x (+ x eps)) 2))
26.0ms
(+ x (+ x eps))

simplify2.7s

Counts
53 → 53

prune661.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.3b

localize41.0ms

Local error

Found 4 expressions with local error:

4.2b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(log (exp (cos (/ (+ x (+ x eps)) 2))))
0.3b
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
0.1b
(exp (cos (/ (+ x (+ x eps)) 2)))

rewrite163.0ms

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
47.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
44.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
32.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))

series181.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
62.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
56.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
35.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
28.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify954.0ms

Counts
77 → 77

prune870.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.3b

localize89.0ms

Local error

Found 4 expressions with local error:

4.2b
(cos (/ (+ x (+ x eps)) 2))
4.2b
(cos (/ (+ x (+ x eps)) 2))
4.2b
(cos (/ (+ x (+ x eps)) 2))
0.6b
(* (exp (cos (/ (+ x (+ x eps)) 2))) (exp (cos (/ (+ x (+ x eps)) 2))))

rewrite215.0ms

Algorithm
rewrite-expression-head
Rules
18×exp-prod
16×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
11×pow1
add-cbrt-cube
pow-prod-down add-exp-log pow-sqr pow-prod-up insert-posit16 add-log-exp
swap-sqr associate-*r* associate-*l*
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 59
Calls
4 calls:
Slowest
141.0ms
(* (exp (cos (/ (+ x (+ x eps)) 2))) (exp (cos (/ (+ x (+ x eps)) 2))))
31.0ms
(cos (/ (+ x (+ x eps)) 2))
23.0ms
(cos (/ (+ x (+ x eps)) 2))
19.0ms
(cos (/ (+ x (+ x eps)) 2))

series190.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
72.0ms
(* (exp (cos (/ (+ x (+ x eps)) 2))) (exp (cos (/ (+ x (+ x eps)) 2))))
40.0ms
(cos (/ (+ x (+ x eps)) 2))
39.0ms
(cos (/ (+ x (+ x eps)) 2))
39.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.9s

Counts
71 → 71

prune1.2s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.3b

regimes284.0ms

Accuracy

97.7% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 15.3b

bsearch123.0ms

end0.0ms

sample7.1s

Algorithm
intervals
Results
4.2s3363×body1280valid
1.1s1785×body640valid
1.1s648×body2560valid
259.0ms751×body320valid
126.0ms1108×body80valid
82.0ms345×body160valid