Details

Time bar (total: 8.1s)

sample145.0ms

Algorithm
intervals
Results
82.0ms93×body1280valid
38.0ms94×body640valid
8.0ms38×body320valid
4.0ms256×pre80true
2.0ms21×body160valid
0.0ms10×body80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1115
2115

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: 60.6b

Counts
2 → 1

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
6.1b
(log (- 1.0 x))
6.2b
(log (+ 1.0 x))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 75
Calls
3 calls:
6.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
4.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series210.0ms

Counts
3 → 9
Calls
3 calls:
122.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
47.0ms
(log (- 1.0 x))
41.0ms
(log (+ 1.0 x))

simplify53.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0452686
11669638
25002623

prune186.0ms

Filtered
84 candidates to 61 candidates (72.6%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New77784
Fresh000
Picked101
Done000
Total78785

Merged error: 58.3b

Counts
85 → 7

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
6.1b
(log (- 1.0 x))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
92×times-frac
83×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
49×*-un-lft-identity
47×add-cube-cbrt
29×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×pow1 div-exp prod-exp add-cbrt-cube
pow-to-exp pow-exp
log-prod log-pow
log-div associate-/l*
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u add-log-exp
cbrt-undiv flip3-- div-sub flip-- cbrt-unprod div-inv
frac-2neg associate-*r/ rem-log-exp pow-prod-down clear-num *-commutative distribute-lft-out-- difference-of-squares
Counts
3 → 165
Calls
3 calls:
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
6.0ms
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
4.0ms
(log (- 1.0 x))

series411.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
132.0ms
(/ (log (- 1.0 x)) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))
228.0ms
(log (- 1.0 x))

simplify89.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 1 (20.0ms)

IterNodesCost
09281453
138371286
250011286

prune394.0ms

Filtered
174 candidates to 116 candidates (66.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1731174
Fresh156
Picked101
Done000
Total1756181

Merged error: 0.0b

Counts
181 → 6

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
158×add-sqr-sqrt
136×associate-*r*
112×unpow-prod-down
94×*-un-lft-identity
82×add-cube-cbrt
51×add-exp-log
48×unpow2 sqr-pow
34×unswap-sqr
20×prod-exp
19×div-exp
15×add-cbrt-cube
12×pow-to-exp pow-exp
11×pow1
distribute-lft-out--
associate-*l* associate-/l*
log-pow cbrt-unprod difference-of-squares
cbrt-undiv expm1-log1p-u associate-/r* log1p-expm1-u div-inv add-log-exp
associate-*r/ pow-prod-down *-commutative associate-/l/
flip3-- frac-2neg div-sub clear-num flip--
Counts
3 → 268
Calls
3 calls:
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
9.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

series218.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
119.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

simplify94.0ms

Algorithm
egg-herbie
Counts
277 → 277
Iterations

Useful iterations: 2 (67.0ms)

IterNodesCost
07532429
131742138
250012135

prune655.0ms

Filtered
277 candidates to 173 candidates (62.5%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New2770277
Fresh055
Picked011
Done000
Total2776283

Merged error: 0.0b

Counts
283 → 6

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
0.1b
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
6.1b
(log (- 1.0 x))
6.2b
(log (+ 1.0 x))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
48×*-un-lft-identity
46×cbrt-prod add-sqr-sqrt
44×add-cube-cbrt
40×unpow-prod-down cube-prod
39×pow1
34×log-pow
add-exp-log log-prod
add-cbrt-cube
expm1-log1p-u log-div log1p-expm1-u div-inv add-log-exp
pow-unpow
cube-div cube-mult unpow3 rem-log-exp pow-exp rem-cube-cbrt sqr-pow
cbrt-undiv pow-to-exp cbrt-div flip3-- pow-pow flip3-+ pow1/3 div-exp flip-- rem-cbrt-cube flip-+ distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
4 → 155
Calls
4 calls:
6.0ms
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
6.0ms
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
4.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series416.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
210.0ms
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
41.0ms
(log (- 1.0 x))
45.0ms
(log (+ 1.0 x))

simplify101.0ms

Algorithm
egg-herbie
Counts
167 → 167
Iterations

Useful iterations: 2 (82.0ms)

IterNodesCost
09481807
144501682
250011678

prune264.0ms

Filtered
167 candidates to 86 candidates (51.5%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1670167
Fresh044
Picked011
Done011
Total1676173

Merged error: 0.0b

Counts
173 → 6

regimes47.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01816
11816

end0.0ms

sample4.6s

Algorithm
intervals
Results
3.0s3396×body1280valid
1.0s2527×body640valid
261.0ms1271×body320valid
108.0ms8000×pre80true
70.0ms606×body160valid
10.0ms200×body80valid