Details

Time bar (total: 18.5s)

sample217.0ms

Algorithm
intervals
Results
128.0ms147×body1280valid
33.0ms54×body640valid
27.0ms16×body2560valid
16.0ms30×body320valid
2.0msbody160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1

prune32.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.0b

localize15.0ms

Local error

Found 2 expressions with local error:

2.7b
(cos (+ x eps))
1.2b
(- (cos (+ x eps)) (cos x))

rewrite19.0ms

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
12.0ms
(- (cos (+ x eps)) (cos x))
7.0ms
(cos (+ x eps))

series98.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
80.0ms
(- (cos (+ x eps)) (cos x))
18.0ms
(cos (+ x eps))

simplify1.3s

Counts
48 → 48

prune428.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.3b

localize47.0ms

Local error

Found 3 expressions with local error:

2.6b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
0.0b
(+ x (+ eps x))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-cbrt-cube add-exp-log
expm1-log1p-u sum-log fma-def associate-*r* associate-*l* insert-posit16 log1p-expm1-u distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ sin-mult unswap-sqr
Counts
3 → 53
Calls
3 calls:
Slowest
101.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
41.0ms
(sin (/ (+ x (+ eps x)) 2))
17.0ms
(+ x (+ eps x))

series194.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
102.0ms
(* (sin (/ eps 2)) (sin (/ (+ x (+ eps x)) 2)))
47.0ms
(+ x (+ eps x))
45.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify922.0ms

Counts
62 → 62

prune631.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.2b

localize34.0ms

Local error

Found 4 expressions with local error:

2.6b
(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))))

rewrite55.0ms

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
31.0ms
(sin (/ (+ x (+ eps x)) 2))
21.0ms
(* (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))))

series325.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
116.0ms
(* (sin (/ eps 2)) (expm1 (log1p (sin (/ (+ x (+ eps x)) 2)))))
85.0ms
(expm1 (log1p (sin (/ (+ x (+ eps x)) 2))))
66.0ms
(log1p (sin (/ (+ x (+ eps x)) 2)))
58.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.7s

Counts
67 → 67

prune849.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.2b

localize55.0ms

Local error

Found 4 expressions with local error:

2.6b
(sin (/ (+ x (+ eps x)) 2))
0.3b
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
0.2b
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))
0.2b
(expm1 (sin (/ (+ x (+ eps x)) 2)))

rewrite39.0ms

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
27.0ms
(sin (/ (+ x (+ eps x)) 2))
10.0ms
(* (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))))

series344.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
133.0ms
(* (sin (/ eps 2)) (log1p (expm1 (sin (/ (+ x (+ eps x)) 2)))))
88.0ms
(expm1 (sin (/ (+ x (+ eps x)) 2)))
76.0ms
(log1p (expm1 (sin (/ (+ x (+ eps x)) 2))))
47.0ms
(sin (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
67 → 67

prune720.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 0.2b

regimes245.0ms

Accuracy

97.5% (0.4b remaining)

Error of 0.8b against oracle of 0.4b and baseline of 15.4b

bsearch299.0ms

end0.0ms

sample8.3s

Algorithm
intervals
Results
5.5s4472×body1280valid
1.2s650×body2560valid
1.1s1860×body640valid
287.0ms645×body320valid
74.0ms299×body160valid
9.0ms74×body80valid