Details

Time bar (total: 1.7s)

sample13.0ms

Algorithm
intervals
Results
4.0ms256×body80valid
1.0ms79×body80nan

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
063
163

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: 21.6b

Counts
2 → 1

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* x x) y)
20.1b
(sqrt (+ (* x x) y))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log flip3-+ sqrt-div add-cbrt-cube flip-+
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 sum-log
Counts
2 → 26
Calls
2 calls:
4.0ms
(+ (* x x) y)
4.0ms
(sqrt (+ (* x x) y))

series59.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(+ (* x x) y)
41.0ms
(sqrt (+ (* x x) y))

simplify46.0ms

Algorithm
egg-herbie
Counts
32 → 32
Iterations

Useful iterations: 3 (43.0ms)

IterNodesCost
0141152
1475139
21515138
35002136

prune58.0ms

Filtered
32 candidates to 25 candidates (78.1%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New29332
Fresh000
Picked011
Done000
Total29433

Merged error: 0b

Counts
33 → 4

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 1/2 (/ y x))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*r*
10×times-frac
add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
pow1 associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 32
Calls
1 calls:
7.0ms
(* 1/2 (/ y x))

series17.0ms

Counts
1 → 3
Calls
1 calls:
17.0ms
(* 1/2 (/ y x))

simplify64.0ms

Algorithm
egg-herbie
Counts
35 → 35
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0164128
1727118
22966118
35001118

prune49.0ms

Filtered
35 candidates to 24 candidates (68.6%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New35035
Fresh022
Picked011
Done011
Total35439

Merged error: 0b

Counts
39 → 4

localize10.0ms

Local error

Found 3 expressions with local error:

6.1b
(- (pow x 4) (pow y 2))
20.1b
(sqrt (/ (- (pow x 4) (pow y 2)) (- (* x x) y)))
36.5b
(/ (- (pow x 4) (pow y 2)) (- (* x x) y))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
222×add-sqr-sqrt
153×difference-of-squares
129×times-frac
70×unpow-prod-down sqrt-prod sqr-pow
66×*-un-lft-identity
46×add-cube-cbrt
30×unpow2
16×associate-/l*
10×distribute-lft-out--
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-- associate-/r* associate-/r/ flip--
rem-sqrt-square div-inv associate-/l/
cbrt-undiv sub-neg frac-2neg sqrt-pow1 pow1/2 sqrt-div diff-log div-sub div-exp clear-num
Counts
3 → 208
Calls
3 calls:
10.0ms
(- (pow x 4) (pow y 2))
16.0ms
(sqrt (/ (- (pow x 4) (pow y 2)) (- (* x x) y)))
15.0ms
(/ (- (pow x 4) (pow y 2)) (- (* x x) y))

series170.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(- (pow x 4) (pow y 2))
78.0ms
(sqrt (/ (- (pow x 4) (pow y 2)) (- (* x x) y)))
52.0ms
(/ (- (pow x 4) (pow y 2)) (- (* x x) y))

simplify68.0ms

Algorithm
egg-herbie
Counts
217 → 217
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
07352622
121292347
250032193

prune334.0ms

Filtered
217 candidates to 118 candidates (54.4%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New2170217
Fresh011
Picked011
Done022
Total2174221

Merged error: 0b

Counts
221 → 4

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 1/2 (/ y x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*r*
10×times-frac
add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
pow1 associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 32
Calls
1 calls:
9.0ms
(* 1/2 (/ y x))

series17.0ms

Counts
1 → 3
Calls
1 calls:
17.0ms
(* 1/2 (/ y x))

simplify65.0ms

Algorithm
egg-herbie
Counts
35 → 35
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0164128
1727118
22966118
35001118

prune41.0ms

Filtered
35 candidates to 24 candidates (68.6%)
Pruning

4 alts after pruning (0 fresh and 4 done)

PrunedKeptTotal
New35035
Fresh000
Picked011
Done033
Total35439

Merged error: 0b

Counts
39 → 4

regimes136.0ms

Accuracy

99.1% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 21.1b

bsearch64.0ms

Steps
ItersRangePoint
7
5.777920486632989e+96
1.0360182301372079e+99
8.910291731607776e+98
8
-2.9980302389965735e+156
-3.605266790381871e+152
-1.3322539688256998e+154

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02210
12910
23110
33110

end0.0ms

sample352.0ms

Algorithm
intervals
Results
141.0ms8000×body80valid
49.0ms2694×body80nan