Details

Time bar (total: 4.3s)

sample66.0ms

Algorithm
intervals
Results
25.0ms57×body1280valid
12.0ms51×body640valid
6.0ms154×body80valid
5.0ms32×body320valid
3.0ms120×body80nan
1.0ms15×body160valid

simplify109.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 4 (8.0ms)

IterNodesCost
0156
1246
2516
31086
43104
57924
641924
750024

prune4.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 14.1b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (+ x y))
7.1b
(pow (/ x (+ x y)) x)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
24×times-frac
20×add-sqr-sqrt add-cube-cbrt
18×unpow-prod-down
add-exp-log distribute-lft-out
associate-/r* associate-/r/ add-cbrt-cube
pow1 pow-unpow associate-/l*
expm1-log1p-u flip3-+ div-exp pow-exp flip-+ log1p-expm1-u div-inv add-log-exp
cbrt-undiv pow-to-exp pow-pow frac-2neg clear-num sqr-pow
Counts
2 → 70
Calls
2 calls:
5.0ms
(/ x (+ x y))
6.0ms
(pow (/ x (+ x y)) x)

series267.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(/ x (+ x y))
225.0ms
(pow (/ x (+ x y)) x)

simplify41.0ms

Algorithm
egg-herbie
Counts
76 → 76
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0320413
11304399
25002398

prune140.0ms

Filtered
76 candidates to 54 candidates (71.1%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New72476
Fresh000
Picked101
Done000
Total73477

Merged error: 0.3b

Counts
77 → 4

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (exp (* -1 y)) x)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
associate-/r* add-cbrt-cube associate-/l*
add-exp-log
pow1 cbrt-undiv exp-neg expm1-log1p-u frac-2neg mul-1-neg div-exp clear-num log1p-expm1-u div-inv associate-/l/ add-log-exp
Counts
1 → 30
Calls
1 calls:
5.0ms
(/ (exp (* -1 y)) x)

series18.0ms

Counts
1 → 3
Calls
1 calls:
18.0ms
(/ (exp (* -1 y)) x)

simplify47.0ms

Algorithm
egg-herbie
Counts
33 → 33
Iterations

Useful iterations: 2 (11.0ms)

IterNodesCost
0118194
1313179
21512177
35001177

prune63.0ms

Filtered
33 candidates to 25 candidates (75.8%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New31233
Fresh033
Picked101
Done000
Total32537

Merged error: 0.3b

Counts
37 → 5

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (exp y))
0.0b
(/ 1 (* x (exp y)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
11×add-exp-log
add-cbrt-cube
add-sqr-sqrt
pow1
add-cube-cbrt *-un-lft-identity
div-exp prod-exp
times-frac associate-*r* associate-*l* associate-/l*
cbrt-undiv expm1-log1p-u rec-exp pow-flip 1-exp pow-prod-down cbrt-unprod log1p-expm1-u add-log-exp
frac-2neg clear-num associate-/r* *-commutative div-inv inv-pow unswap-sqr
Counts
2 → 50
Calls
2 calls:
5.0ms
(* x (exp y))
9.0ms
(/ 1 (* x (exp y)))

series40.0ms

Counts
2 → 6
Calls
2 calls:
20.0ms
(* x (exp y))
19.0ms
(/ 1 (* x (exp y)))

simplify90.0ms

Algorithm
egg-herbie
Counts
56 → 56
Iterations

Useful iterations: 2 (22.0ms)

IterNodesCost
0179216
1804181
24323175
35002175

prune73.0ms

Filtered
56 candidates to 33 candidates (58.9%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New55156
Fresh044
Picked011
Done000
Total55661

Merged error: 0.3b

Counts
61 → 6

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.2b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.7b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
51×cbrt-prod
48×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
14×cbrt-div
10×associate-/r/
flip3-+ pow-exp flip-+
pow1 pow-unpow distribute-lft-out
div-exp
expm1-log1p-u frac-times prod-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 124
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
10.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
15.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series865.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(cbrt x)
175.0ms
(cbrt x)
255.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
263.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify76.0ms

Algorithm
egg-herbie
Counts
136 → 136
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
07081370
122441300
250021271

prune361.0ms

Filtered
136 candidates to 98 candidates (72.1%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1351136
Fresh314
Picked101
Done011
Total1393142

Merged error: 0.0b

Counts
142 → 3

regimes56.0ms

Accuracy

97.6% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 6.3b

bsearch113.0ms

Steps
ItersRangePoint
9
1.2774642312839134e-06
1.9435667087631803
1.9234455677719884
10
-1.2865710840676908e+74
-2.585852377202543e+56
-2.4296307746992404e+61

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03418
13418

end0.0ms

sample1.7s

Algorithm
intervals
Results
639.0ms1479×body1280valid
368.0ms1488×body640valid
208.0ms4831×body80valid
137.0ms869×body320valid
89.0ms2996×body80nan
44.0ms445×body160valid