Details

Time bar (total: 19.2s)

sample227.0ms

Algorithm
intervals
Results
124.0ms112×body1280valid
38.0ms20×body2560valid
33.0ms53×body640valid
10.0ms22×body320valid
5.0ms38×body80valid
3.0ms11×body160valid

simplify9.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize19.0ms

Local error

Found 2 expressions with local error:

3.5b
(sin (+ x eps))
1.0b
(- (sin (+ x eps)) (sin x))

rewrite96.0ms

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
60.0ms
(- (sin (+ x eps)) (sin x))
34.0ms
(sin (+ x eps))

series92.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
58.0ms
(- (sin (+ x eps)) (sin x))
33.0ms
(sin (+ x eps))

simplify1.4s

Counts
48 → 48

prune477.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize29.0ms

Local error

Found 4 expressions with local error:

3.7b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
0.2b
(/ (+ x (+ eps x)) 2)
0.0b
(+ x (+ eps x))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
19×add-sqr-sqrt
17×add-cube-cbrt
15×times-frac distribute-lft-out
add-log-exp
add-cbrt-cube add-exp-log
pow1
associate-/l*
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r* sum-log fma-def associate-*r* associate-*l*
flip3-+ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+r+ clear-num frac-2neg div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv sin-cos-mult unswap-sqr
Counts
4 → 93
Calls
4 calls:
Slowest
72.0ms
(/ (+ x (+ eps x)) 2)
27.0ms
(cos (/ (+ x (+ eps x)) 2))
18.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
16.0ms
(+ x (+ eps x))

series180.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
80.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
44.0ms
(/ (+ x (+ eps x)) 2)
28.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(+ x (+ eps x))

simplify1.5s

Counts
105 → 105

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.3b

localize41.0ms

Local error

Found 2 expressions with local error:

3.7b
(cos (fma eps 1/2 x))
0.2b
(* (sin (/ eps 2)) (cos (fma eps 1/2 x)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef sin-cos-mult unswap-sqr
Counts
2 → 33
Calls
2 calls:
Slowest
23.0ms
(* (sin (/ eps 2)) (cos (fma eps 1/2 x)))
5.0ms
(cos (fma eps 1/2 x))

series89.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
55.0ms
(* (sin (/ eps 2)) (cos (fma eps 1/2 x)))
34.0ms
(cos (fma eps 1/2 x))

simplify1.6s

Counts
39 → 39

prune401.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin (* eps 1/2)) (sin x))
0.2b
(* (sin (/ eps 2)) (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))))
0.1b
(* (cos (* eps 1/2)) (cos x))
0.1b
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))

rewrite247.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
add-log-exp
cos-mult sin-mult
expm1-log1p-u associate-*r/ insert-posit16 log1p-expm1-u
distribute-rgt-in sub-neg distribute-lft-in prod-diff pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- frac-sub flip-- sub-div
fma-neg diff-log
Counts
4 → 94
Calls
4 calls:
Slowest
163.0ms
(* (sin (/ eps 2)) (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))))
45.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
20.0ms
(* (cos (* eps 1/2)) (cos x))
18.0ms
(* (sin (* eps 1/2)) (sin x))

series457.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
185.0ms
(* (sin (/ eps 2)) (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))))
126.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
78.0ms
(* (sin (* eps 1/2)) (sin x))
67.0ms
(* (cos (* eps 1/2)) (cos x))

simplify1.8s

Counts
106 → 106

prune1.5s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

regimes163.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch4.0ms

end0.0ms

sample7.5s

Algorithm
intervals
Results
3.9s3268×body1280valid
1.3s1871×body640valid
1.1s667×body2560valid
551.0ms1106×body80valid
341.0ms768×body320valid
128.0ms320×body160valid