Details

Time bar (total: 19.6s)

sample249.0ms

Algorithm
intervals
Results
144.0ms137×body1280valid
41.0ms22×body2560valid
37.0ms58×body640valid
12.0ms28×body320valid
2.0msbody160valid
0.0msbody80valid

simplify10.0ms

Counts
1 → 1

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.7b

localize25.0ms

Local error

Found 2 expressions with local error:

4.5b
(cos (+ x eps))
1.6b
(- (cos (+ x eps)) (cos x))

rewrite39.0ms

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
23.0ms
(- (cos (+ x eps)) (cos x))
16.0ms
(cos (+ x eps))

series126.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
99.0ms
(- (cos (+ x eps)) (cos x))
27.0ms
(cos (+ x eps))

simplify1.2s

Counts
48 → 48

prune514.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.3b

localize32.0ms

Local error

Found 4 expressions with local error:

4.4b
(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))))

rewrite210.0ms

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
81.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
73.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
41.0ms
(sin (/ (+ x (+ eps x)) 2))
13.0ms
(+ x (+ eps x))

series248.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
91.0ms
(* -2 (* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2))))
65.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
49.0ms
(sin (/ (+ x (+ eps x)) 2))
43.0ms
(+ x (+ eps x))

simplify1.4s

Counts
87 → 87

prune1.0s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.2b

localize50.0ms

Local error

Found 4 expressions with local error:

4.4b
(sin (/ (+ x (+ eps x)) 2))
0.5b
(log1p (sin (/ (+ x (+ eps x)) 2)))
0.3b
(* (sin (/ eps 2)) (expm1 (log1p (sin (/ (+ x (+ eps x)) 2)))))
0.2b
(expm1 (log1p (sin (/ (+ x (+ eps x)) 2))))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
expm1-log1p-u
insert-posit16 log1p-expm1-u 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
36.0ms
(sin (/ (+ x (+ eps x)) 2))
15.0ms
(* (sin (/ eps 2)) (expm1 (log1p (sin (/ (+ x (+ eps x)) 2)))))
1.0ms
(log1p (sin (/ (+ x (+ eps x)) 2)))
0.0ms
(expm1 (log1p (sin (/ (+ x (+ eps x)) 2))))

series314.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
115.0ms
(* (sin (/ eps 2)) (expm1 (log1p (sin (/ (+ x (+ eps x)) 2)))))
81.0ms
(expm1 (log1p (sin (/ (+ x (+ eps x)) 2))))
79.0ms
(log1p (sin (/ (+ x (+ eps x)) 2)))
38.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
67 → 67

prune911.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.2b

localize47.0ms

Local error

Found 4 expressions with local error:

4.4b
(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)))

rewrite51.0ms

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
30.0ms
(sin (/ (+ x (+ eps x)) 2))
20.0ms
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
0.0ms
(expm1 (sin (/ (+ x (+ eps x)) 2)))
0.0ms
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))

series330.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
152.0ms
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
72.0ms
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))
71.0ms
(expm1 (sin (/ (+ x (+ eps x)) 2)))
36.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.2s

Counts
67 → 67

prune837.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.2b

regimes350.0ms

Accuracy

97.4% (0.4b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 15.4b

bsearch221.0ms

end0.0ms

sample8.8s

Algorithm
intervals
Results
5.3s4478×body1280valid
1.5s1828×body640valid
1.3s648×body2560valid
376.0ms655×body320valid
82.0ms316×body160valid
10.0ms75×body80valid