Details

Time bar (total: 19.4s)

sample209.0ms

Algorithm
intervals
Results
108.0ms111×body1280valid
43.0ms60×body640valid
30.0ms19×body2560valid
8.0ms22×body320valid
5.0ms34×body80valid
3.0ms10×body160valid

simplify8.0ms

Counts
1 → 1

prune35.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.3b

localize18.0ms

Local error

Found 2 expressions with local error:

3.1b
(sin (+ x eps))
1.2b
(- (sin (+ x eps)) (sin x))

rewrite68.0ms

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
59.0ms
(- (sin (+ x eps)) (sin x))
9.0ms
(sin (+ x eps))

series104.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
76.0ms
(- (sin (+ x eps)) (sin x))
28.0ms
(sin (+ x eps))

simplify1.4s

Counts
48 → 48

prune572.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.7b

localize46.0ms

Local error

Found 4 expressions with local error:

3.0b
(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))

rewrite154.0ms

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
77.0ms
(/ (+ x (+ eps x)) 2)
31.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
25.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(+ x (+ eps x))

series192.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
80.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
45.0ms
(/ (+ x (+ eps x)) 2)
35.0ms
(+ x (+ eps x))
31.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.1s

Counts
105 → 105

prune1.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.4b

localize53.0ms

Local error

Found 2 expressions with local error:

2.9b
(cos (fma eps 1/2 x))
0.2b
(* (sin (/ eps 2)) (cos (fma eps 1/2 x)))

rewrite29.0ms

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))

series95.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
61.0ms
(* (sin (/ eps 2)) (cos (fma eps 1/2 x)))
34.0ms
(cos (fma eps 1/2 x))

simplify1.9s

Counts
39 → 39

prune487.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize66.0ms

Local error

Found 4 expressions with local error:

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

rewrite186.0ms

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
117.0ms
(* (sin (/ eps 2)) (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))))
33.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
18.0ms
(* (sin (* eps 1/2)) (sin x))
17.0ms
(* (cos (* eps 1/2)) (cos x))

series450.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
171.0ms
(* (sin (/ eps 2)) (- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x))))
144.0ms
(- (* (cos (* eps 1/2)) (cos x)) (* (sin (* eps 1/2)) (sin x)))
77.0ms
(* (cos (* eps 1/2)) (cos x))
57.0ms
(* (sin (* eps 1/2)) (sin x))

simplify1.9s

Counts
106 → 106

prune1.5s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.0b

regimes266.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch5.0ms

end0.0ms

sample7.2s

Algorithm
intervals
Results
3.3s3321×body1280valid
1.9s1827×body640valid
1.1s615×body2560valid
312.0ms726×body320valid
176.0ms1145×body80valid
93.0ms366×body160valid