Details

Time bar (total: 16.0s)

sample195.0ms

Algorithm
intervals
Results
100.0ms101×body1280valid
38.0ms28×body2560valid
32.0ms55×body640valid
11.0ms33×body320valid
3.0ms30×body80valid
2.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.4b

localize13.0ms

Local error

Found 2 expressions with local error:

0.9b
(- (sin (+ x eps)) (sin x))
4.4b
(sin (+ x eps))

rewrite84.0ms

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:
75.0ms
(- (sin (+ x eps)) (sin x))
8.0ms
(sin (+ x eps))

series90.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(- (sin (+ x eps)) (sin x))
33.0ms
(sin (+ x eps))

simplify1.3s

Counts
48 → 48
Iterations
IterNodes
43120
31109
2432
1203
092

prune373.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ eps x))
0.3b
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
4.3b
(cos (/ (+ x (+ eps x)) 2))

rewrite88.0ms

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:
20.0ms
(+ x (+ eps x))
29.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
38.0ms
(cos (/ (+ x (+ eps x)) 2))

series126.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(+ x (+ eps x))
56.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ eps x)) 2)))
43.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify649.0ms

Counts
62 → 62
Iterations
IterNodes
32082
2678
1235
0100

prune554.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.4b

localize29.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
0.3b
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.4b
(expm1 (cos (/ (+ x (+ eps x)) 2)))
4.3b
(cos (/ (+ x (+ eps x)) 2))

rewrite33.0ms

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:
10.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
0.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
0.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
22.0ms
(cos (/ (+ x (+ eps x)) 2))

series282.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(* (sin (/ eps 2)) (log1p (expm1 (cos (/ (+ x (+ eps x)) 2)))))
79.0ms
(log1p (expm1 (cos (/ (+ x (+ eps x)) 2))))
58.0ms
(expm1 (cos (/ (+ x (+ eps x)) 2)))
34.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
67 → 67
Iterations
IterNodes
42300
31027
2469
1216
0100

prune772.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.4b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))
0.3b
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
0.3b
(log1p (cos (/ (+ x (+ eps x)) 2)))
4.3b
(cos (/ (+ x (+ eps x)) 2))

rewrite40.0ms

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:
0.0ms
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))
19.0ms
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
1.0ms
(log1p (cos (/ (+ x (+ eps x)) 2)))
20.0ms
(cos (/ (+ x (+ eps x)) 2))

series264.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(expm1 (log1p (cos (/ (+ x (+ eps x)) 2))))
105.0ms
(* (sin (/ eps 2)) (expm1 (log1p (cos (/ (+ x (+ eps x)) 2)))))
62.0ms
(log1p (cos (/ (+ x (+ eps x)) 2)))
26.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.6s

Counts
67 → 67
Iterations
IterNodes
53532
41973
3947
2427
1198
096

prune547.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.4b

regimes136.0ms

Accuracy

99.3% (0.1b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 15.3b

bsearch184.0ms

Steps
ItersRangePoint
9
5.0298683109421105e-11
0.0006943122548678707
1.136872105742304e-08
9
-6.606666156357114e-05
-3.708178749948539e-10
-7.256929432906464e-09

simplify7.0ms

Iterations
IterNodes
237
137
027

end0.0ms

sample6.1s

Algorithm
intervals
Results
3.3s3293×body1280valid
1.2s1758×body640valid
863.0ms660×body2560valid
266.0ms808×body320valid
171.0ms1111×body80valid
70.0ms370×body160valid