Details

Time bar (total: 17.7s)

sample162.0ms

Algorithm
intervals
Results
88.0ms103×body1280valid
26.0ms22×body2560valid
23.0ms52×body640valid
10.0ms31×body320valid
4.0ms41×body80valid
2.0msbody160valid

simplify8.0ms

Counts
1 → 1

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize12.0ms

Local error

Found 2 expressions with local error:

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

rewrite60.0ms

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
52.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series75.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
53.0ms
(- (sin (+ x eps)) (sin x))
21.0ms
(sin (+ x eps))

simplify1.4s

Counts
48 → 48

prune523.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize48.0ms

Local error

Found 3 expressions with local error:

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

rewrite62.0ms

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
29.0ms
(cos (/ (+ x (+ eps x)) 2))
21.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
11.0ms
(+ x (+ eps x))

series179.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
92.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
46.0ms
(+ x (+ eps x))
41.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify930.0ms

Counts
62 → 62

prune698.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.3b

localize42.0ms

Local error

Found 4 expressions with local error:

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

rewrite142.0ms

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
expm1-log1p-u insert-posit16 log1p-expm1-u
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 → 73
Calls
4 calls:
Slowest
37.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))
37.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ eps x)) 2)))))
36.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
30.0ms
(cos (/ (+ x (+ eps x)) 2))

series209.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
65.0ms
(* (sin (/ eps 2)) (log (exp (cos (/ (+ x (+ eps x)) 2)))))
54.0ms
(exp (cos (/ (+ x (+ eps x)) 2)))
46.0ms
(cos (/ (+ x (+ eps x)) 2))
44.0ms
(log (exp (cos (/ (+ x (+ eps x)) 2))))

simplify1.2s

Counts
85 → 85

prune1.0s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.3b

localize84.0ms

Local error

Found 4 expressions with local error:

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

rewrite302.0ms

Algorithm
rewrite-expression-head
Rules
18×exp-prod
16×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
11×pow1
add-cbrt-cube
expm1-log1p-u pow-prod-down add-exp-log pow-sqr pow-prod-up insert-posit16 log1p-expm1-u add-log-exp
swap-sqr associate-*r* associate-*l*
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 67
Calls
4 calls:
Slowest
201.0ms
(* (exp (cos (/ (+ x (+ eps x)) 2))) (exp (cos (/ (+ x (+ eps x)) 2))))
38.0ms
(cos (/ (+ x (+ eps x)) 2))
37.0ms
(cos (/ (+ x (+ eps x)) 2))
24.0ms
(cos (/ (+ x (+ eps x)) 2))

series216.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
83.0ms
(* (exp (cos (/ (+ x (+ eps x)) 2))) (exp (cos (/ (+ x (+ eps x)) 2))))
46.0ms
(cos (/ (+ x (+ eps x)) 2))
44.0ms
(cos (/ (+ x (+ eps x)) 2))
43.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify926.0ms

Counts
79 → 79

prune1.3s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.3b

regimes253.0ms

Accuracy

97.7% (0.3b remaining)

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

bsearch120.0ms

end0.0ms

sample7.8s

Algorithm
intervals
Results
4.5s3363×body1280valid
1.4s1785×body640valid
1.2s648×body2560valid
292.0ms751×body320valid
135.0ms1108×body80valid
92.0ms345×body160valid