Details

Time bar (total: 6.0s)

sample143.0ms

Algorithm
intervals
Results
75.0ms49×body2560valid
39.0ms88×body1280valid
13.0ms62×body640valid
4.0ms24×body320valid
2.0ms20×body160valid
1.0ms13×body80valid

simplify6.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0114
1144
2164
3164

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.9b

localize6.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
1.8b
(- 1.0 (cos x))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
16.0ms
(/ (- 1.0 (cos x)) (sin x))
6.0ms
(- 1.0 (cos x))

series60.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ (- 1.0 (cos x)) (sin x))
19.0ms
(- 1.0 (cos x))

simplify80.0ms

Algorithm
egg-herbie
Counts
58 → 58
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0233396
1673373
22654373
35001373

prune150.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.3b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* 1/24 (pow x 3)) (+ (* 1/240 (pow x 5)) (* 1/2 x)))
0.1b
(* 1/24 (pow x 3))
0.3b
(* 1/240 (pow x 5))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×associate-*r*
13×add-exp-log
10×add-cube-cbrt *-un-lft-identity
unpow-prod-down add-log-exp
add-cbrt-cube unswap-sqr
associate-*l* prod-exp
cube-prod sqr-pow
pow1 sum-log
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative cube-mult associate-+r+ flip3-+ unpow3 flip-+
Counts
3 → 69
Calls
3 calls:
20.0ms
(+ (* 1/24 (pow x 3)) (+ (* 1/240 (pow x 5)) (* 1/2 x)))
12.0ms
(* 1/24 (pow x 3))
11.0ms
(* 1/240 (pow x 5))

series149.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(+ (* 1/24 (pow x 3)) (+ (* 1/240 (pow x 5)) (* 1/2 x)))
36.0ms
(* 1/24 (pow x 3))
51.0ms
(* 1/240 (pow x 5))

simplify44.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0301375
11301346
25001346

prune184.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 1/24 (pow x 3))
0.3b
(* 1/240 (pow x 5))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
19×associate-*r*
12×add-exp-log
add-cube-cbrt *-un-lft-identity
unpow-prod-down
unswap-sqr
associate-*l* prod-exp add-cbrt-cube
cube-prod sqr-pow
pow1 pow-to-exp pow-exp *-commutative cbrt-unprod add-log-exp
cube-mult unpow3
Counts
2 → 56
Calls
2 calls:
12.0ms
(* 1/24 (pow x 3))
14.0ms
(* 1/240 (pow x 5))

series89.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(* 1/24 (pow x 3))
48.0ms
(* 1/240 (pow x 5))

simplify187.0ms

Algorithm
egg-herbie
Counts
62 → 62
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0208209
1871193
24634193
35001193

prune148.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.3b

localize11.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (/ (sin x) (- 1.0 (cos x))))
0.2b
(/ (sin x) (- 1.0 (cos x)))
1.8b
(- 1.0 (cos x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×add-sqr-sqrt *-un-lft-identity
71×add-cube-cbrt
26×associate-/r*
17×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 159
Calls
3 calls:
17.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
15.0ms
(/ (sin x) (- 1.0 (cos x)))
6.0ms
(- 1.0 (cos x))

series96.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
37.0ms
(/ (sin x) (- 1.0 (cos x)))
23.0ms
(- 1.0 (cos x))

simplify63.0ms

Algorithm
egg-herbie
Counts
168 → 168
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
05101595
123961452
250021339

prune222.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.2b

regimes125.0ms

Accuracy

98.8% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 31.8b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04833
14833

end0.0ms

sample4.1s

Algorithm
intervals
Results
2.0s1566×body2560valid
1.2s2753×body1280valid
432.0ms1901×body640valid
149.0ms963×body320valid
51.0ms464×body160valid
24.0ms351×body80valid
5.0msbody5120valid