Details

Time bar (total: 3.7s)

sample60.0ms

Algorithm
intervals
Results
25.0ms53×body2560valid
10.0ms44×body640valid
9.0ms36×body1280valid
5.0ms36×body320valid
2.0ms70×body80valid
1.0ms17×body160valid

simplify8.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0134
1214
2264
3284
4284

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 31.2b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

1.8b
(- 1.0 (cos x))
17.3b
(/ (- 1.0 (cos x)) (* x x))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-exp-log add-cbrt-cube
times-frac associate-/l*
add-log-exp
fma-neg distribute-lft-out-- difference-of-squares
pow1 cbrt-undiv expm1-log1p-u flip3-- div-exp flip-- log1p-expm1-u associate-/l/
sub-neg frac-2neg diff-log div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
2 → 58
Calls
2 calls:
4.0ms
(- 1.0 (cos x))
8.0ms
(/ (- 1.0 (cos x)) (* x x))

series63.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(- 1.0 (cos x))
41.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify35.0ms

Algorithm
egg-herbie
Counts
64 → 64
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0279446
11006326
25001317

prune125.0ms

Filtered
64 candidates to 43 candidates (67.2%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New521264
Fresh000
Picked101
Done000
Total531265

Merged error: 0.2b

Counts
65 → 12

localize6.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.8b
(- 1.0 (cos x))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
110×add-sqr-sqrt *-un-lft-identity
76×add-cube-cbrt
24×associate-/l*
17×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
prod-diff
associate-/r* div-inv
add-log-exp
cbrt-undiv div-exp
pow1 expm1-log1p-u fma-neg div-sub log1p-expm1-u associate-/l/
flip3-- frac-2neg clear-num flip--
sub-neg diff-log
Counts
3 → 165
Calls
3 calls:
9.0ms
(/ (/ (- 1.0 (cos x)) x) x)
7.0ms
(/ (- 1.0 (cos x)) x)
4.0ms
(- 1.0 (cos x))

series104.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(/ (/ (- 1.0 (cos x)) x) x)
45.0ms
(/ (- 1.0 (cos x)) x)
19.0ms
(- 1.0 (cos x))

simplify64.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
05921453
122121292
250011283

prune248.0ms

Filtered
174 candidates to 114 candidates (65.5%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New1695174
Fresh4711
Picked101
Done000
Total17412186

Merged error: 0.2b

Counts
186 → 12

localize7.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
0.1b
(/ (cos x) x)
1.9b
(- (/ 1.0 x) (/ (cos x) x))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
338×times-frac
287×add-sqr-sqrt
267×*-un-lft-identity
227×add-cube-cbrt
169×prod-diff
39×div-inv
20×distribute-lft-out-- difference-of-squares
15×associate-/l*
13×fma-neg
add-exp-log add-cbrt-cube
associate-/r*
distribute-rgt-out-- add-log-exp
associate-/l/
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv flip3-- frac-2neg div-exp clear-num frac-sub flip-- sub-div
sub-neg diff-log div-sub
Counts
3 → 306
Calls
3 calls:
26.0ms
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
4.0ms
(/ (cos x) x)
18.0ms
(- (/ 1.0 x) (/ (cos x) x))

series181.0ms

Counts
3 → 9
Calls
3 calls:
94.0ms
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
33.0ms
(/ (cos x) x)
54.0ms
(- (/ 1.0 x) (/ (cos x) x))

simplify115.0ms

Algorithm
egg-herbie
Counts
315 → 315
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
010096352
132214216
250013627

prune313.0ms

Filtered
315 candidates to 139 candidates (44.1%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New3123315
Fresh2911
Picked101
Done000
Total31512327

Merged error: 0.1b

Counts
327 → 12

localize9.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (/ 1.0 x) (* (cos x) (/ 1 x))) x)
0.2b
(* (cos x) (/ 1 x))
1.9b
(- (/ 1.0 x) (* (cos x) (/ 1 x)))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt times-frac
35×*-un-lft-identity
34×add-cube-cbrt
14×add-exp-log
13×fma-neg associate-*r* prod-diff
10×add-cbrt-cube
div-inv
associate-/l/
pow1 distribute-rgt-out-- associate-*r/ un-div-inv add-log-exp
prod-exp frac-sub associate-/l* sub-div
expm1-log1p-u div-exp associate-*l* associate-/r* log1p-expm1-u unswap-sqr
cbrt-undiv flip3-- flip-- cbrt-unprod
sub-neg rec-exp frac-2neg diff-log 1-exp div-sub pow-prod-down clear-num *-commutative
Counts
3 → 123
Calls
3 calls:
10.0ms
(/ (- (/ 1.0 x) (* (cos x) (/ 1 x))) x)
8.0ms
(* (cos x) (/ 1 x))
11.0ms
(- (/ 1.0 x) (* (cos x) (/ 1 x)))

series182.0ms

Counts
3 → 9
Calls
3 calls:
93.0ms
(/ (- (/ 1.0 x) (* (cos x) (/ 1 x))) x)
28.0ms
(* (cos x) (/ 1 x))
60.0ms
(- (/ 1.0 x) (* (cos x) (/ 1 x)))

simplify57.0ms

Algorithm
egg-herbie
Counts
132 → 132
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0520986
12168833
25003785

prune188.0ms

Filtered
132 candidates to 98 candidates (74.2%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New1293132
Fresh4711
Picked011
Done000
Total13311144

Merged error: 0.1b

Counts
144 → 11

regimes49.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 30.8b

bsearch73.0ms

Steps
ItersRangePoint
10
0.005370866090842012
4.21737757242384e+15
0.030633531225492793
10
-3.4402871636077537
-5.738045557766166e-18
-0.02404292436224621

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03211
13211

end0.0ms

sample1.7s

Algorithm
intervals
Results
773.0ms1588×body2560valid
337.0ms1258×body1280valid
236.0ms1455×body640valid
116.0ms961×body320valid
82.0ms2270×body80valid
38.0ms468×body160valid