Details

Time bar (total: 5.6s)

sample90.0ms

Algorithm
intervals
Results
53.0ms150×body1280valid
12.0ms64×body640valid
11.0ms13×body2560valid
2.0ms17×body320valid
1.0ms12×body160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.3b

localize8.0ms

Local error

Found 2 expressions with local error:

1.2b
(- (cos (+ x eps)) (cos x))
3.7b
(cos (+ x eps))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt cos-sum add-cbrt-cube
associate--l- sub-neg flip3-- diff-log flip-- diff-cos distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
14.0ms
(- (cos (+ x eps)) (cos x))
9.0ms
(cos (+ x eps))

series62.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(- (cos (+ x eps)) (cos x))
13.0ms
(cos (+ x eps))

simplify114.0ms

Algorithm
egg-herbie
Counts
30 → 30
Iterations

Useful iterations: 2 (10.0ms)

IterNodesCost
0134176
1281167
2840164
32958164
45002164

prune88.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos x) (cos eps))
0.1b
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
0.2b
(* (sin x) (sin eps))
2.2b
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
11×add-log-exp
10×*-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
associate-*r* associate-*l*
diff-log
sub-neg cos-mult sin-mult
flip3-- pow-prod-down prod-exp associate--l+ *-commutative flip-- cbrt-unprod unswap-sqr
associate--l- frac-sub distribute-lft-out-- sub-div difference-of-squares
Counts
4 → 70
Calls
4 calls:
10.0ms
(* (cos x) (cos eps))
17.0ms
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
14.0ms
(* (sin x) (sin eps))
62.0ms
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

series277.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* (cos x) (cos eps))
76.0ms
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
47.0ms
(* (sin x) (sin eps))
119.0ms
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

simplify116.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0304633
11061602
24487583
35002583

prune241.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 12.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin x) (sin eps))
0.3b
(pow (* (sin x) (sin eps)) 3)
2.2b
(- (- (* (cos x) (cos eps)) (cbrt (pow (* (sin x) (sin eps)) 3))) (cos x))
27.3b
(cbrt (pow (* (sin x) (sin eps)) 3))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-exp-log add-cbrt-cube add-log-exp
cbrt-prod add-cube-cbrt
pow-unpow diff-log associate-*r* associate-*l* sin-mult
cube-div cube-mult sub-neg unpow-prod-down pow-pow unpow3 cube-prod pow-prod-down pow-exp prod-exp associate--l+ cbrt-unprod rem-cube-cbrt sqr-pow
associate--l- pow-to-exp cbrt-div flip3-- pow1/3 *-commutative flip-- rem-cbrt-cube distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 78
Calls
4 calls:
12.0ms
(* (sin x) (sin eps))
9.0ms
(pow (* (sin x) (sin eps)) 3)
90.0ms
(- (- (* (cos x) (cos eps)) (cbrt (pow (* (sin x) (sin eps)) 3))) (cos x))
5.0ms
(cbrt (pow (* (sin x) (sin eps)) 3))

series264.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(* (sin x) (sin eps))
61.0ms
(pow (* (sin x) (sin eps)) 3)
116.0ms
(- (- (* (cos x) (cos eps)) (cbrt (pow (* (sin x) (sin eps)) 3))) (cos x))
46.0ms
(cbrt (pow (* (sin x) (sin eps)) 3))

simplify42.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0293634
11142580
25001565

prune286.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 12.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos eps) (cos x))
0.1b
(+ (* (sin x) (sin eps)) (cos x))
0.2b
(* (sin x) (sin eps))
2.3b
(- (* (cos eps) (cos x)) (+ (* (sin x) (sin eps)) (cos x)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
11×add-log-exp
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
cos-mult
flip3-+ diff-log pow-prod-down prod-exp sum-log *-commutative frac-sub cbrt-unprod flip-+ unswap-sqr
+-commutative sub-neg flip3-- flip-- sin-mult associate--r+
Counts
4 → 65
Calls
4 calls:
10.0ms
(* (cos eps) (cos x))
16.0ms
(+ (* (sin x) (sin eps)) (cos x))
12.0ms
(* (sin x) (sin eps))
28.0ms
(- (* (cos eps) (cos x)) (+ (* (sin x) (sin eps)) (cos x)))

series258.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(* (cos eps) (cos x))
45.0ms
(+ (* (sin x) (sin eps)) (cos x))
48.0ms
(* (sin x) (sin eps))
123.0ms
(- (* (cos eps) (cos x)) (+ (* (sin x) (sin eps)) (cos x)))

simplify42.0ms

Algorithm
egg-herbie
Counts
77 → 77
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0329606
11247575
25002567

prune198.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 12.3b

regimes206.0ms

Accuracy

86.8% (1.3b remaining)

Error of 16.0b against oracle of 14.7b and baseline of 24.3b

bsearch135.0ms

Steps
ItersRangePoint
9
2.15302222000921e-20
1.638622225374179e-14
1.6114711274948726e-14
10
-12786724.3536924
-3.489101517161873e-08
-8.194833237230457e-08

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05152
15152

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.5s4550×body1280valid
543.0ms648×body2560valid
368.0ms1796×body640valid
91.0ms659×body320valid
30.0ms259×body160valid
4.0ms88×body80valid