Details

Time bar (total: 17.2s)

sample218.0ms

Algorithm
intervals
Results
109.0ms88×body1280valid
43.0ms27×body2560valid
34.0ms61×body640valid
11.0ms28×body320valid
5.0ms41×body80valid
3.0ms11×body160valid

simplify17.0ms

Counts
1 → 1

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.2b

localize13.0ms

Local error

Found 2 expressions with local error:

4.7b
(sin (+ x eps))
1.2b
(- (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
86.0ms
(- (sin (+ x eps)) (sin x))
7.0ms
(sin (+ x eps))

series89.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
68.0ms
(- (sin (+ x eps)) (sin x))
20.0ms
(sin (+ x eps))

simplify1.5s

Counts
48 → 48

prune448.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize26.0ms

Local error

Found 3 expressions with local error:

4.6b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
0.0b
(+ x (+ eps x))

rewrite70.0ms

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
29.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
21.0ms
(+ x (+ eps x))
20.0ms
(cos (/ (+ x (+ eps x)) 2))

series150.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
82.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
39.0ms
(+ x (+ eps x))
29.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify944.0ms

Counts
62 → 62

prune606.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.2b

localize41.0ms

Local error

Found 4 expressions with local error:

4.6b
(cos (/ (+ x (+ eps x)) 2))
0.4b
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.2b
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.2b
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))

rewrite48.0ms

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
25.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
20.0ms
(cos (/ (+ x (+ eps x)) 2))
1.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))

series285.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
100.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
78.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
65.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
41.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify872.0ms

Counts
67 → 67

prune778.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.2b

localize51.0ms

Local error

Found 4 expressions with local error:

4.6b
(cos (/ (+ x (+ eps x)) 2))
0.4b
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.3b
(expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.2b
(log1p (log1p (expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
log1p-expm1-u
expm1-log1p-u
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
expm1-log1p expm1-udef
log1p-udef log1p-expm1
Counts
4 → 46
Calls
4 calls:
Slowest
21.0ms
(cos (/ (+ x (+ eps x)) 2))
0.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
0.0ms
(expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.0ms
(log1p (log1p (expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))))

series349.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
143.0ms
(expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))
93.0ms
(log1p (log1p (expm1 (expm1 (cos (/ (+ x (+ eps x)) 2))))))
79.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
34.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.2s

Counts
58 → 58

prune710.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.2b

regimes228.0ms

Accuracy

97.3% (0.4b remaining)

Error of 0.8b against oracle of 0.4b and baseline of 15.3b

bsearch277.0ms

end0.0ms

sample8.2s

Algorithm
intervals
Results
4.9s3308×body1280valid
1.3s1875×body640valid
1.3s635×body2560valid
336.0ms748×body320valid
145.0ms1072×body80valid
101.0ms362×body160valid