Details

Time bar (total: 19.9s)

sample176.0ms

Algorithm
intervals
Results
111.0ms151×body1280valid
27.0ms20×body2560valid
20.0ms50×body640valid
6.0ms21×body320valid
2.0ms11×body160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.4b

localize13.0ms

Local error

Found 2 expressions with local error:

3.7b
(cos (+ x eps))
0.7b
(- (cos (+ x eps)) (cos 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 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
48.0ms
(- (cos (+ x eps)) (cos x))
9.0ms
(cos (+ x eps))

series140.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
99.0ms
(- (cos (+ x eps)) (cos x))
41.0ms
(cos (+ x eps))

simplify1.3s

Counts
48 → 48

prune391.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.6b

localize31.0ms

Local error

Found 4 expressions with local error:

3.7b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
0.2b
(/ (+ x (+ eps x)) 2)
0.0b
(+ x (+ eps x))

rewrite203.0ms

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-mult unswap-sqr
Counts
4 → 93
Calls
4 calls:
Slowest
74.0ms
(/ (+ x (+ eps x)) 2)
63.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
42.0ms
(sin (/ (+ x (+ eps x)) 2))
22.0ms
(+ x (+ eps x))

series189.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
72.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
51.0ms
(/ (+ x (+ eps x)) 2)
34.0ms
(sin (/ (+ x (+ eps x)) 2))
31.0ms
(+ x (+ eps x))

simplify1.2s

Counts
105 → 105

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.3b

localize44.0ms

Local error

Found 3 expressions with local error:

3.7b
(sin (fma eps 1/2 x))
0.3b
(* (sin (fma eps 1/2 x)) (sin (/ eps 2)))
0.0b
(* -2 (* (sin (fma eps 1/2 x)) (sin (/ eps 2))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
*-commutative sin-mult
sin-sum associate-*r/ fma-udef unswap-sqr
Counts
3 → 55
Calls
3 calls:
Slowest
20.0ms
(* -2 (* (sin (fma eps 1/2 x)) (sin (/ eps 2))))
15.0ms
(* (sin (fma eps 1/2 x)) (sin (/ eps 2)))
5.0ms
(sin (fma eps 1/2 x))

series203.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
82.0ms
(* -2 (* (sin (fma eps 1/2 x)) (sin (/ eps 2))))
77.0ms
(* (sin (fma eps 1/2 x)) (sin (/ eps 2)))
44.0ms
(sin (fma eps 1/2 x))

simplify727.0ms

Counts
64 → 64

prune719.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize41.0ms

Local error

Found 4 expressions with local error:

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

rewrite188.0ms

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-*l/ flip-+
+-commutative sum-log fma-def sin-cos-mult
Counts
4 → 81
Calls
4 calls:
Slowest
93.0ms
(* (+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x))) (sin (/ eps 2)))
50.0ms
(+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x)))
26.0ms
(* (cos (* eps 1/2)) (sin x))
17.0ms
(* (sin (* eps 1/2)) (cos x))

series509.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
226.0ms
(* (+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x))) (sin (/ eps 2)))
162.0ms
(+ (* (sin (* eps 1/2)) (cos x)) (* (cos (* eps 1/2)) (sin x)))
62.0ms
(* (cos (* eps 1/2)) (sin x))
59.0ms
(* (sin (* eps 1/2)) (cos x))

simplify2.1s

Counts
93 → 93

prune1.3s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.0b

regimes192.0ms

Accuracy

0% (0.3b remaining)

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

bsearch3.0ms

end0.0ms

sample8.9s

Algorithm
intervals
Results
4.8s4439×body1280valid
2.1s1881×body640valid
1.2s667×body2560valid
391.0ms688×body320valid
113.0ms256×body160valid
9.0ms69×body80valid