Details

Time bar (total: 7.9s)

sample160.0ms

Algorithm
intervals
Results
112.0ms124×body1280valid
25.0ms64×body640valid
7.0ms39×body320valid
3.0ms256×pre80true
2.0ms19×body160valid
0.0ms10×body80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1115
2115

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.5b
(log (- 1.0 x))
5.8b
(log (+ 1.0 x))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
9×log-prod
7×add-exp-log
6×log-div
5×add-cbrt-cube
4×associate-/r* associate-/l*
3×add-log-exp
2×flip3-- div-sub rem-log-exp flip--
1×cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
7.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
2.0ms
(log (- 1.0 x))
2.0ms
(log (+ 1.0 x))

series215.0ms

Counts
3 → 9
Calls
3 calls:
126.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
46.0ms
(log (- 1.0 x))
43.0ms
(log (+ 1.0 x))

simplify47.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0425668
11561624
25001599

prune195.0ms

Filtered
78 candidates to 55 candidates (70.5%)
Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 58.4b

localize13.0ms

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)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
5.5b
(log (- 1.0 x))

rewrite62.0ms

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
6×pow-to-exp pow-exp
5×log-prod log-pow
4×log-div associate-/r/ associate-/l*
3×flip3-- associate-*r/ associate-*l* associate-/r* flip-- add-log-exp
2×cbrt-undiv div-sub frac-sub cbrt-unprod div-inv
1×frac-2neg flip3-+ rem-log-exp pow-prod-down clear-num *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
3 → 163
Calls
3 calls:
25.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
27.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
2.0ms
(log (- 1.0 x))

series236.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
134.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
47.0ms
(log (- 1.0 x))

simplify100.0ms

Algorithm
egg-herbie
Counts
172 → 172
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
09951550
142131389
250011389

prune477.0ms

Filtered
172 candidates to 114 candidates (66.3%)
Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

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

rewrite106.0ms

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
8×distribute-lft-out--
6×associate-*l* associate-/l*
4×associate-*r/ associate-/r/ log-pow cbrt-unprod difference-of-squares
3×cbrt-undiv associate-/r* div-inv add-log-exp
2×flip3-- pow-prod-down *-commutative frac-sub flip-- associate-/l/
1×frac-2neg flip3-+ div-sub clear-num flip-+
Counts
3 → 266
Calls
3 calls:
27.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
25.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
40.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series236.0ms

Counts
3 → 9
Calls
3 calls:
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
124.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify96.0ms

Algorithm
egg-herbie
Counts
275 → 275
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08552669
141522250
250012250

prune727.0ms

Filtered
275 candidates to 171 candidates (62.2%)
Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log (- (* 1.0 1.0) (* x x))) (log (+ 1.0 x)))
2.7b
(log (- (* 1.0 1.0) (* x x)))
5.8b
(log (+ 1.0 x))
5.8b
(log (+ 1.0 x))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
20×log-prod
19×*-un-lft-identity
11×pow1 add-sqr-sqrt
10×log-div
9×add-cube-cbrt
7×add-exp-log log-pow
4×associate--l+ add-cbrt-cube associate--r+ distribute-lft-out-- add-log-exp
3×flip3-- flip3-+ rem-log-exp flip-- flip-+ distribute-lft-out difference-of-squares
2×associate--l- associate--r-
1×sub-neg diff-log
Counts
4 → 74
Calls
4 calls:
7.0ms
(- (log (- (* 1.0 1.0) (* x x))) (log (+ 1.0 x)))
3.0ms
(log (- (* 1.0 1.0) (* x x)))
2.0ms
(log (+ 1.0 x))
2.0ms
(log (+ 1.0 x))

series312.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(- (log (- (* 1.0 1.0) (* x x))) (log (+ 1.0 x)))
115.0ms
(log (- (* 1.0 1.0) (* x x)))
41.0ms
(log (+ 1.0 x))
45.0ms
(log (+ 1.0 x))

simplify150.0ms

Algorithm
egg-herbie
Counts
86 → 86
Iterations

Useful iterations: 3 (143.0ms)

IterNodesCost
0345632
11102603
24357577
35001576

prune194.0ms

Filtered
86 candidates to 67 candidates (77.9%)
Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes25.0ms

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
01917
11917

end0.0ms

sample4.5s

Algorithm
intervals
Results
3.0s3410×body1280valid
986.0ms2463×body640valid
250.0ms1263×body320valid
99.0ms8000×pre80true
69.0ms623×body160valid
12.0ms241×body80valid