Details

Time bar (total: 9.9s)

sample1.1s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 88.876343%

Guaranteed chance to sample good point: 28.230453%

Results
59.0ms159×body640valid
20.0ms217×body80nan
16.0ms50×body320valid
4.0ms21×body160valid
3.0msbody1280valid
2.0ms20×body80valid

simplify25.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05119
115619
290719
3500119

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 6.4b

Counts
2 → 1

localize22.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (sqrt (+ z 1.0)) (sqrt z))
2.6b
(- (sqrt (+ y 1.0)) (sqrt y))
3.7b
(- (sqrt (+ t 1.0)) (sqrt t))
4.0b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
32×*-un-lft-identity sqrt-prod
16×difference-of-squares
12×distribute-lft-out-- add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out
Counts
4 → 76
Calls
4 calls:
8.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
8.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
10.0ms
(- (sqrt (+ t 1.0)) (sqrt t))
8.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series39.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
10.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
10.0ms
(- (sqrt (+ t 1.0)) (sqrt t))
10.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify68.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
0692864
12941824
25003824

prune279.0ms

Filtered
60 candidates to 88 candidates (-46.7%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New771188
Fresh000
Picked101
Done000
Total781189

Merged error: 5.0b

Counts
89 → 11

localize25.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (sqrt (+ z 1.0)) (sqrt z))
2.6b
(- (sqrt (+ y 1.0)) (sqrt y))
2.7b
(+ x (- 1.0 x))
3.7b
(- (sqrt (+ t 1.0)) (sqrt t))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
30×*-un-lft-identity
28×add-sqr-sqrt
24×sqrt-prod
15×add-log-exp
12×difference-of-squares
10×distribute-lft-out--
distribute-lft-out
pow1 add-exp-log add-cube-cbrt sub-neg diff-log add-cbrt-cube
flip3-- flip--
associate-+r+ sum-log
+-commutative associate-+r- flip3-+ flip-+
Counts
4 → 74
Calls
4 calls:
8.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
8.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
6.0ms
(+ x (- 1.0 x))
8.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

series29.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
10.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
1.0ms
(+ x (- 1.0 x))
10.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

simplify54.0ms

Algorithm
egg-herbie
Counts
86 → 86
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0602708
12429673
25002673

prune257.0ms

Filtered
59 candidates to 86 candidates (-45.8%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New83386
Fresh2810
Picked101
Done000
Total861197

Merged error: 3.6b

Counts
97 → 11

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
2.5b
(- (sqrt (+ z 1.0)) (sqrt z))
2.6b
(- (sqrt (+ y 1.0)) (sqrt y))
3.7b
(- (sqrt (+ t 1.0)) (sqrt t))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
64×*-un-lft-identity
40×sqrt-prod
39×add-sqr-sqrt
19×distribute-lft-out
18×times-frac
15×add-cube-cbrt
12×difference-of-squares
10×add-log-exp
distribute-lft-out--
add-exp-log associate-/r* add-cbrt-cube
pow1
sub-neg flip3-- diff-log flip-- associate-/l*
associate-/r/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
4 → 98
Calls
4 calls:
12.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
8.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
8.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
8.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

series39.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(/ 1.0 (+ (sqrt (+ x 1.0)) (sqrt x)))
10.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
10.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
10.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

simplify78.0ms

Algorithm
egg-herbie
Counts
110 → 110
Iterations

Useful iterations: 2 (66.0ms)

IterNodesCost
08161082
135861020
250021003

prune324.0ms

Filtered
72 candidates to 110 candidates (-52.8%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New1064110
Fresh1910
Picked011
Done000
Total10714121

Merged error: 3.6b

Counts
121 → 14

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
2.5b
(- (sqrt (+ z 1.0)) (sqrt z))
2.6b
(- (sqrt (+ y 1.0)) (sqrt y))
3.7b
(- (sqrt (+ t 1.0)) (sqrt t))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
701×*-un-lft-identity
664×sqrt-prod
567×times-frac
259×distribute-lft-out
256×add-sqr-sqrt
232×add-cube-cbrt
33×associate-/l*
22×sqrt-div associate-/r/
12×difference-of-squares
11×flip3-+ flip-+ div-inv
10×add-log-exp
add-exp-log associate-/r* add-cbrt-cube distribute-lft-out--
pow1
cbrt-undiv sub-neg flip3-- diff-log div-exp flip--
frac-2neg clear-num associate-/l/
Counts
4 → 413
Calls
4 calls:
28.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
8.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
8.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
8.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

series39.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(/ (/ 1.0 (sqrt (+ (sqrt (+ x 1.0)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1.0)) (sqrt x))))
10.0ms
(- (sqrt (+ z 1.0)) (sqrt z))
10.0ms
(- (sqrt (+ y 1.0)) (sqrt y))
10.0ms
(- (sqrt (+ t 1.0)) (sqrt t))

simplify99.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 1 (30.0ms)

IterNodesCost
014078412
150017358

prune720.0ms

Filtered
135 candidates to 425 candidates (-214.8%)
Pruning

15 alts after pruning (14 fresh and 1 done)

PrunedKeptTotal
New4223425
Fresh11112
Picked101
Done011
Total42415439

Merged error: 3.6b

Counts
439 → 15

regimes1.6s

Accuracy

0% (1.2b remaining)

Error of 4.2b against oracle of 3.1b and baseline of 4.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03320
13320

end0.0ms

sample4.9s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 88.876343%

Guaranteed chance to sample good point: 28.230453%

Results
2.0s5136×body640valid
589.0ms6091×body80nan
436.0ms1564×body320valid
88.0ms466×body160valid
76.0ms156×body1280valid
66.0ms678×body80valid

Profiling

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