Details

Time bar (total: 21.2s)

sample257.0ms

Algorithm
intervals
Results
136.0ms146×body1280valid
59.0ms56×body640valid
34.0ms19×body2560valid
10.0ms22×body320valid
3.0ms10×body160valid
0.0msbody80valid

simplify16.0ms

Counts
1 → 1

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.8b

localize33.0ms

Local error

Found 2 expressions with local error:

3.0b
(cos (+ x eps))
1.1b
(- (cos (+ x eps)) (cos x))

rewrite70.0ms

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 cos-sum add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
associate--l- sub-neg flip3-- diff-log diff-cos flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
Slowest
42.0ms
(cos (+ x eps))
27.0ms
(- (cos (+ x eps)) (cos x))

series102.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
79.0ms
(- (cos (+ x eps)) (cos x))
23.0ms
(cos (+ x eps))

simplify1.3s

Counts
48 → 48

prune631.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.8b

localize44.0ms

Local error

Found 4 expressions with local error:

2.9b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
0.2b
(/ (+ x (+ eps x)) 2)
0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
19×add-sqr-sqrt
17×add-cube-cbrt
15×times-frac
13×add-cbrt-cube add-exp-log
12×distribute-lft-out
11×pow1
associate-*l*
associate-/l*
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
associate-/r*
*-commutative sin-mult associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ div-exp associate-*r/ flip-+ div-inv unswap-sqr
Counts
4 → 94
Calls
4 calls:
Slowest
63.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
60.0ms
(/ (+ x (+ eps x)) 2)
58.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
28.0ms
(sin (/ (+ x (+ eps x)) 2))

series270.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
92.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
72.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
59.0ms
(/ (+ x (+ eps x)) 2)
46.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
106 → 106

prune1.4s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.5b

localize28.0ms

Local error

Found 3 expressions with local error:

2.9b
(sin (fma 1/2 eps x))
0.3b
(* (sin (/ eps 2)) (sin (fma 1/2 eps x)))
0.0b
(* -2 (* (sin (/ eps 2)) (sin (fma 1/2 eps x))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
sin-sum fma-udef
*-un-lft-identity associate-*l* add-cube-cbrt
distribute-rgt-in distribute-lft-in
associate-*r* pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
*-commutative sin-mult
associate-*r/ unswap-sqr
Counts
3 → 61
Calls
3 calls:
Slowest
26.0ms
(* (sin (/ eps 2)) (sin (fma 1/2 eps x)))
26.0ms
(* -2 (* (sin (/ eps 2)) (sin (fma 1/2 eps x))))
5.0ms
(sin (fma 1/2 eps x))

series218.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
109.0ms
(* -2 (* (sin (/ eps 2)) (sin (fma 1/2 eps x))))
83.0ms
(* (sin (/ eps 2)) (sin (fma 1/2 eps x)))
26.0ms
(sin (fma 1/2 eps x))

simplify980.0ms

Counts
70 → 70

prune963.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize68.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin (/ eps 2)) (+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x))))
0.2b
(* (cos (* 1/2 eps)) (sin x))
0.1b
(* (sin (* 1/2 eps)) (cos x))
0.1b
(+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x)))

rewrite246.0ms

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
expm1-log1p-u insert-posit16 log1p-expm1-u
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-+ associate-*r/ flip-+
distribute-rgt-in +-commutative sum-log fma-def distribute-lft-in sin-cos-mult
Counts
4 → 83
Calls
4 calls:
Slowest
130.0ms
(* (sin (/ eps 2)) (+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x))))
47.0ms
(+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x)))
35.0ms
(* (cos (* 1/2 eps)) (sin x))
33.0ms
(* (sin (* 1/2 eps)) (cos x))

series541.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
225.0ms
(* (sin (/ eps 2)) (+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x))))
152.0ms
(+ (* (sin (* 1/2 eps)) (cos x)) (* (cos (* 1/2 eps)) (sin x)))
91.0ms
(* (sin (* 1/2 eps)) (cos x))
73.0ms
(* (cos (* 1/2 eps)) (sin x))

simplify2.4s

Counts
95 → 95

prune1.9s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.0b

regimes283.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch6.0ms

end0.0ms

sample7.8s

Algorithm
intervals
Results
4.8s4478×body1280valid
1.3s1840×body640valid
1.1s615×body2560valid
395.0ms691×body320valid
81.0ms291×body160valid
11.0ms85×body80valid