Details

Time bar (total: 19.6s)

sample230.0ms

Algorithm
intervals
Results
134.0ms126×body1280valid
38.0ms27×body2560valid
32.0ms66×body640valid
10.0ms23×body320valid
2.0msbody160valid
1.0msbody80valid

simplify17.0ms

Counts
1 → 1

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.7b

localize26.0ms

Local error

Found 2 expressions with local error:

4.6b
(cos (+ x eps))
0.9b
(- (cos (+ x eps)) (cos x))

rewrite27.0ms

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
15.0ms
(cos (+ x eps))
11.0ms
(- (cos (+ x eps)) (cos x))

series90.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
61.0ms
(- (cos (+ x eps)) (cos x))
29.0ms
(cos (+ x eps))

simplify1.2s

Counts
48 → 48

prune554.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.2b

localize52.0ms

Local error

Found 4 expressions with local error:

4.8b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
0.0b
(+ x (+ eps x))
0.0b
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))

rewrite181.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×pow1 add-cbrt-cube add-exp-log
10×add-sqr-sqrt
add-log-exp
add-cube-cbrt
associate-*l*
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u
sum-log fma-def distribute-lft-out
*-commutative sin-mult
+-commutative associate-+r+ flip3-+ associate-*r/ flip-+ unswap-sqr
Counts
4 → 75
Calls
4 calls:
Slowest
69.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
55.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
39.0ms
(sin (/ (+ x (+ eps x)) 2))
16.0ms
(+ x (+ eps x))

series252.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
97.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
94.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
33.0ms
(sin (/ (+ x (+ eps x)) 2))
28.0ms
(+ x (+ eps x))

simplify1.6s

Counts
87 → 87

prune950.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.2b

localize43.0ms

Local error

Found 4 expressions with local error:

4.8b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
0.3b
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))
0.2b
(expm1 (sin (/ (+ x (+ eps x)) 2)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
log1p-expm1-u
expm1-log1p-u insert-posit16 add-log-exp
associate-*r* associate-*l*
log1p-udef expm1-log1p pow-prod-down prod-exp log1p-expm1 *-commutative cbrt-unprod expm1-udef unswap-sqr
Counts
4 → 55
Calls
4 calls:
Slowest
44.0ms
(sin (/ (+ x (+ eps x)) 2))
20.0ms
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
1.0ms
(expm1 (sin (/ (+ x (+ eps x)) 2)))
0.0ms
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))

series360.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
149.0ms
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
92.0ms
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))
65.0ms
(expm1 (sin (/ (+ x (+ eps x)) 2)))
53.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.1s

Counts
67 → 67

prune766.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.2b

localize22.0ms

Local error

Found 2 expressions with local error:

4.8b
(sin (fma eps 1/2 x))
0.3b
(* (* -2 (sin (fma eps 1/2 x))) (sin (* eps 1/2)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity associate-*r* pow-prod-down prod-exp add-cube-cbrt cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
sin-sum associate-*l* *-commutative fma-udef
Counts
2 → 32
Calls
2 calls:
Slowest
26.0ms
(* (* -2 (sin (fma eps 1/2 x))) (sin (* eps 1/2)))
2.0ms
(sin (fma eps 1/2 x))

series116.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
76.0ms
(* (* -2 (sin (fma eps 1/2 x))) (sin (* eps 1/2)))
39.0ms
(sin (fma eps 1/2 x))

simplify3.0s

Counts
38 → 38

prune381.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

regimes140.0ms

Accuracy

0% (0.2b remaining)

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

bsearch3.0ms

end0.0ms

sample8.4s

Algorithm
intervals
Results
5.1s4438×body1280valid
1.6s635×body2560valid
1.2s1939×body640valid
279.0ms631×body320valid
70.0ms282×body160valid
10.0ms75×body80valid