Details

Time bar (total: 15.9s)

sample186.0ms

Algorithm
intervals
Results
111.0ms116×body1280valid
26.0ms20×body2560valid
25.0ms52×body640valid
5.0ms43×body80valid
5.0ms15×body320valid
2.0ms10×body160valid

simplify15.0ms

Counts
1 → 1

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.0b

localize23.0ms

Local error

Found 2 expressions with local error:

3.2b
(sin (+ x eps))
0.6b
(- (sin (+ x eps)) (sin x))

rewrite94.0ms

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 add-cbrt-cube sin-sum add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
Slowest
80.0ms
(- (sin (+ x eps)) (sin x))
13.0ms
(sin (+ x eps))

series104.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
75.0ms
(- (sin (+ x eps)) (sin x))
29.0ms
(sin (+ x eps))

simplify1.4s

Counts
48 → 48

prune410.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize28.0ms

Local error

Found 3 expressions with local error:

3.1b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
0.0b
(+ x (+ eps x))

rewrite61.0ms

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-cos-mult unswap-sqr
Counts
3 → 53
Calls
3 calls:
Slowest
23.0ms
(+ x (+ eps x))
20.0ms
(cos (/ (+ x (+ eps x)) 2))
17.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))

series142.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
73.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
38.0ms
(cos (/ (+ x (+ eps x)) 2))
31.0ms
(+ x (+ eps x))

simplify906.0ms

Counts
62 → 62

prune521.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.3b

localize45.0ms

Local error

Found 4 expressions with local error:

3.1b
(cos (/ (+ x (+ eps x)) 2))
0.4b
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.3b
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.2b
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))

rewrite47.0ms

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
26.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
0.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))

series240.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
86.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
66.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
53.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
34.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify865.0ms

Counts
67 → 67

prune713.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.2b

localize32.0ms

Local error

Found 4 expressions with local error:

3.1b
(cos (/ (+ x (+ eps x)) 2))
0.5b
(log1p (cos (/ (+ x (+ eps x)) 2)))
0.2b
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
0.2b
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))

rewrite41.0ms

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
21.0ms
(cos (/ (+ x (+ eps x)) 2))
17.0ms
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
1.0ms
(log1p (cos (/ (+ x (+ eps x)) 2)))
0.0ms
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))

series309.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
116.0ms
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
76.0ms
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))
75.0ms
(log1p (cos (/ (+ x (+ eps x)) 2)))
42.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify838.0ms

Counts
67 → 67

prune595.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.2b

regimes251.0ms

Accuracy

98.1% (0.3b remaining)

Error of 0.6b against oracle of 0.3b and baseline of 15.3b

bsearch179.0ms

end0.0ms

sample7.9s

Algorithm
intervals
Results
4.0s3322×body1280valid
1.6s628×body2560valid
1.4s1841×body640valid
338.0ms751×body320valid
146.0ms1098×body80valid
132.0ms360×body160valid