Details

Time bar (total: 2.1s)

sample48.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.021362%

Guaranteed chance to sample good point: 99.984738%

Results
7.0ms55×body640valid
5.0ms135×body80valid
4.0ms26×body1280valid
3.0ms27×body320valid
1.0ms13×body160valid

simplify15.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0187
1317
2437
3577
4737
5927
61267
71587
82077
92097
102097

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 7.7b

Counts
2 → 1

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(/ 1.0 (+ x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.1b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
83×*-un-lft-identity
47×times-frac
43×add-sqr-sqrt
23×add-cube-cbrt
14×distribute-lft-out--
13×distribute-lft-out
11×add-log-exp
associate-/r*
add-exp-log add-cbrt-cube difference-of-squares
associate-/l*
pow1 associate-/r/
flip3-- frac-add flip--
cbrt-undiv sub-neg associate-+l+ frac-2neg flip3-+ diff-log div-exp clear-num sum-log frac-sub flip-+ div-inv
+-commutative associate-+l-
Counts
4 → 114
Calls
4 calls:
5.0ms
(/ 1.0 (- x 1.0))
5.0ms
(/ 1.0 (+ x 1.0))
17.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
34.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series17.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(/ 1.0 (- x 1.0))
2.0ms
(/ 1.0 (+ x 1.0))
3.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
10.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify47.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0496865
11681827
25001816

prune181.0ms

Filtered
92 candidates to 126 candidates (-37.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1233126
Fresh000
Picked011
Done000
Total1234127

Merged error: 0.2b

Counts
127 → 4

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
0.0b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
0.0b
(* (* (+ x 1.0) x) (- x 1.0))
17.0b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
46×associate-*l/
22×flip3-- flip--
16×frac-times frac-add
13×add-sqr-sqrt
12×flip3-+ flip-+
11×pow1 add-exp-log *-un-lft-identity add-cbrt-cube
10×associate-*r*
associate-*r/ add-log-exp
add-cube-cbrt sub-neg
distribute-rgt-in distribute-lft-in
associate-+l+ associate-*l* pow-prod-down prod-exp cbrt-unprod
*-commutative distribute-lft-out-- difference-of-squares
+-commutative diff-log sum-log unswap-sqr
Counts
4 → 107
Calls
4 calls:
10.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
3.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
9.0ms
(* (* (+ x 1.0) x) (- x 1.0))
11.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series16.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
3.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
8.0ms
(* (* (+ x 1.0) x) (- x 1.0))
1.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

simplify118.0ms

Algorithm
egg-herbie
Counts
119 → 119
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
07951594
144561513
250021513

prune247.0ms

Filtered
87 candidates to 119 candidates (-36.8%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New1172119
Fresh112
Picked101
Done101
Total1203123

Merged error: 0.2b

Counts
123 → 3

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(* (* (+ x 1.0) x) (- x 1.0))
0.2b
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
19×add-exp-log add-cbrt-cube
18×associate-*l/
12×add-sqr-sqrt *-un-lft-identity
10×pow1
frac-times add-cube-cbrt associate-*r* associate-/r/
flip3-+ prod-exp cbrt-unprod flip-+
flip3-- flip--
associate-*l*
associate-*r/ pow-prod-down
cbrt-undiv times-frac div-exp associate-/l* add-log-exp
distribute-rgt-in sub-neg distribute-lft-in *-commutative
frac-2neg clear-num associate-/r* div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 84
Calls
3 calls:
6.0ms
(* (+ x 1.0) x)
10.0ms
(* (* (+ x 1.0) x) (- x 1.0))
11.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series18.0ms

Counts
3 → 9
Calls
3 calls:
4.0ms
(* (+ x 1.0) x)
8.0ms
(* (* (+ x 1.0) x) (- x 1.0))
6.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify61.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
0430600
12219516
25002515

prune102.0ms

Filtered
62 candidates to 93 candidates (-50.0%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New90393
Fresh202
Picked101
Done000
Total93396

Merged error: 0b

Counts
96 → 3

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
0.2b
(/ 2.0 (* (+ x 1.0) x))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
66×times-frac
51×add-sqr-sqrt *-un-lft-identity
29×add-cube-cbrt
19×add-exp-log add-cbrt-cube
16×associate-*l/ associate-/r/
12×associate-/l*
10×distribute-lft-out-- difference-of-squares
flip3-+ flip-+ div-inv
cbrt-undiv div-exp
associate-/r*
pow1
associate-*l*
associate-*r* prod-exp cbrt-unprod add-log-exp
frac-2neg clear-num
flip3-- pow-prod-down *-commutative flip-- associate-/l/ distribute-lft-out unswap-sqr
Counts
3 → 122
Calls
3 calls:
6.0ms
(* (+ x 1.0) x)
12.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
8.0ms
(/ 2.0 (* (+ x 1.0) x))

series13.0ms

Counts
3 → 9
Calls
3 calls:
4.0ms
(* (+ x 1.0) x)
6.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
3.0ms
(/ 2.0 (* (+ x 1.0) x))

simplify67.0ms

Algorithm
egg-herbie
Counts
131 → 131
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
05601012
12547928
25002928

prune149.0ms

Filtered
96 candidates to 131 candidates (-36.5%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1301131
Fresh112
Picked011
Done000
Total1313134

Merged error: 0b

Counts
134 → 3

regimes25.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0105
1105

end0.0ms

sample799.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.021362%

Guaranteed chance to sample good point: 99.984738%

Results
257.0ms1893×body640valid
153.0ms4116×body80valid
104.0ms601×body1280valid
96.0ms932×body320valid
33.0ms458×body160valid

Profiling

Loading profile data...