Details

Time bar (total: 9.5s)

sample159.0ms

Algorithm
intervals
Results
97.0ms108×body1280valid
32.0ms79×body640valid
9.0ms44×body320valid
7.0ms256×pre80true
2.0ms19×body160valid
0.0msbody80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1115
2115

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.5b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.7b
(log (- 1.0 x))
5.7b
(log (+ 1.0 x))

rewrite33.0ms

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*
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 → 69
Calls
3 calls:
19.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.0ms
(log (- 1.0 x))
6.0ms
(log (+ 1.0 x))

series207.0ms

Counts
3 → 9
Calls
3 calls:
122.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
40.0ms
(log (- 1.0 x))
45.0ms
(log (+ 1.0 x))

simplify44.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0425668
11561624
25001599

prune200.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 58.9b

localize15.0ms

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)))))
5.7b
(log (- 1.0 x))

rewrite130.0ms

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-/r/ associate-/l*
flip3-- associate-*r/ associate-*l* associate-/r* flip-- add-log-exp
cbrt-undiv div-sub frac-sub cbrt-unprod div-inv
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:
44.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
71.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
6.0ms
(log (- 1.0 x))

series220.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
122.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
46.0ms
(log (- 1.0 x))

simplify96.0ms

Algorithm
egg-herbie
Counts
172 → 172
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
09951618
146981387
250031387

prune482.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

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)))))

rewrite212.0ms

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*
associate-*r/ associate-/r/ log-pow cbrt-unprod difference-of-squares
cbrt-undiv associate-/r* div-inv add-log-exp
flip3-- pow-prod-down *-commutative frac-sub flip-- associate-/l/
frac-2neg flip3-+ div-sub clear-num flip-+
Counts
3 → 266
Calls
3 calls:
43.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
44.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
107.0ms
(/ (- (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)))))

series211.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
53.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
113.0ms
(/ (- (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)))))

simplify108.0ms

Algorithm
egg-herbie
Counts
275 → 275
Iterations

Useful iterations: 2 (74.0ms)

IterNodesCost
08552533
136882254
250012253

prune925.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

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)))))
0.0b
(exp (/ (- (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))))))
0.0b
(log (exp (/ (- (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)))))))

rewrite514.0ms

Algorithm
rewrite-expression-head
Rules
134×times-frac
124×add-sqr-sqrt
100×*-un-lft-identity
70×add-cube-cbrt
68×associate-*r*
56×unpow-prod-down
52×exp-prod
37×log-pow
29×add-exp-log
24×unpow2 sqr-pow
20×distribute-lft-out--
17×pow1 unswap-sqr
12×associate-/r/
11×add-cbrt-cube
10×div-exp prod-exp difference-of-squares
associate-*r/
pow-to-exp pow-exp frac-sub associate-/l*
add-log-exp
flip3-- flip-- div-inv
log-prod flip3-+ div-sub associate-*l* associate-/r* flip-+
cbrt-undiv exp-diff cbrt-unprod associate-/l/
log-div frac-2neg rem-log-exp pow-prod-down clear-num *-commutative rem-exp-log
Counts
4 → 230
Calls
4 calls:
42.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
105.0ms
(/ (- (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)))))
175.0ms
(exp (/ (- (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))))))
178.0ms
(log (exp (/ (- (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)))))))

series394.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
103.0ms
(/ (- (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)))))
138.0ms
(exp (/ (- (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))))))
106.0ms
(log (exp (/ (- (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)))))))

simplify108.0ms

Algorithm
egg-herbie
Counts
242 → 242
Iterations

Useful iterations: 2 (76.0ms)

IterNodesCost
09723522
144513184
250023182

prune733.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

regimes28.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03120
13420
23420

end0.0ms

sample4.6s

Algorithm
intervals
Results
2.9s3335×body1280valid
1.1s2589×body640valid
252.0ms1218×body320valid
103.0ms8000×pre80true
71.0ms614×body160valid
12.0ms244×body80valid