Details

Time bar (total: 6.6s)

sample129.0ms

Algorithm
intervals
Results
67.0ms54×body2560valid
34.0ms83×body1280valid
13.0ms58×body640valid
5.0ms32×body320valid
2.0ms18×body160valid
1.0ms11×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: 29.8b

localize7.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
1.1b
(- 1.0 (cos x))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
fma-neg associate-/r*
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 68
Calls
2 calls:
24.0ms
(/ (- 1.0 (cos x)) (sin x))
7.0ms
(- 1.0 (cos x))

series56.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ (- 1.0 (cos x)) (sin x))
20.0ms
(- 1.0 (cos x))

simplify34.0ms

Algorithm
egg-herbie
Counts
74 → 74
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0292569
1965460
25002460

prune173.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (sin x))
0.2b
(* (- 1.0 (cos x)) (/ 1 (sin x)))
1.1b
(- 1.0 (cos x))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
31×*-un-lft-identity
26×add-cube-cbrt
20×times-frac
16×add-exp-log
13×associate-*r*
10×add-cbrt-cube
prod-diff
pow1
associate-*l* add-log-exp
div-exp prod-exp
expm1-log1p-u flip3-- fma-neg associate-/r* flip-- log1p-expm1-u associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv distribute-lft-out-- difference-of-squares
sub-neg pow-flip frac-2neg diff-log associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
3 → 105
Calls
3 calls:
6.0ms
(/ 1 (sin x))
31.0ms
(* (- 1.0 (cos x)) (/ 1 (sin x)))
7.0ms
(- 1.0 (cos x))

series72.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(/ 1 (sin x))
35.0ms
(* (- 1.0 (cos x)) (/ 1 (sin x)))
23.0ms
(- 1.0 (cos x))

simplify47.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0381728
11613574
25002548

prune191.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1.0 (sin x))
0.1b
(/ (cos x) (sin x))
1.2b
(- (/ 1.0 (sin x)) (/ (cos x) (sin x)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
271×times-frac
222×add-sqr-sqrt
218×*-un-lft-identity
210×add-cube-cbrt
169×prod-diff
31×div-inv
13×fma-neg
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
add-log-exp
distribute-lft-out-- difference-of-squares
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-2neg div-exp clear-num
sub-neg flip3-- distribute-rgt-out-- diff-log frac-sub flip-- sub-div
Counts
3 → 265
Calls
3 calls:
8.0ms
(/ 1.0 (sin x))
9.0ms
(/ (cos x) (sin x))
42.0ms
(- (/ 1.0 (sin x)) (/ (cos x) (sin x)))

series122.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(/ 1.0 (sin x))
20.0ms
(/ (cos x) (sin x))
84.0ms
(- (/ 1.0 (sin x)) (/ (cos x) (sin x)))

simplify89.0ms

Algorithm
egg-herbie
Counts
274 → 274
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
08107180
122345060
250014434

prune338.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.3b
(pow (cos x) 3)
0.4b
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
0.9b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
144×prod-diff
112×add-sqr-sqrt
96×*-un-lft-identity
90×unpow-prod-down cube-prod
86×add-cube-cbrt
34×sqr-pow
26×cube-mult unpow3
16×difference-of-squares
12×pow1 fma-neg
add-log-exp
add-exp-log add-cbrt-cube
distribute-lft-out--
expm1-log1p-u log1p-expm1-u
pow-unpow swap-sqr associate-*r* associate-*l*
sqr-cos
difference-cubes +-commutative pow2 pow-to-exp sub-neg associate-+l+ distribute-rgt-out flip3-- pow-pow fma-def flip3-+ pow-plus diff-log pow-prod-down pow-exp prod-exp sum-log pow-sqr cos-mult *-commutative pow-prod-up flip-- cbrt-unprod flip-+ rem-cube-cbrt unswap-sqr
Counts
4 → 262
Calls
4 calls:
13.0ms
(* (cos x) (cos x))
3.0ms
(pow (cos x) 3)
12.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
30.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series137.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(* (cos x) (cos x))
28.0ms
(pow (cos x) 3)
46.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
47.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify146.0ms

Algorithm
egg-herbie
Counts
274 → 274
Iterations

Useful iterations: 2 (114.0ms)

IterNodesCost
06562815
127541911
250011872

prune311.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.1b

regimes68.0ms

Accuracy

98.8% (0.4b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 30.3b

bsearch72.0ms

Steps
ItersRangePoint
11
1.661404138935296e-22
2.5556453819330236
0.021088117470294238
9
-0.04331797882383785
-2.2082264187638084e-10
-0.024280922068190693

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02919
12919

end0.0ms

sample4.3s

Algorithm
intervals
Results
2.0s1569×body2560valid
1.4s2804×body1280valid
443.0ms1904×body640valid
149.0ms930×body320valid
52.0ms472×body160valid
20.0ms318×body80valid
8.0msbody5120valid