Details

Time bar (total: 9.4s)

sample181.0ms

Algorithm
intervals
Results
114.0ms115×body1280valid
38.0ms81×body640valid
10.0ms31×body320valid
5.0ms256×pre80true
3.0ms22×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: 61.6b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.9b
(log (- 1.0 x))
5.9b
(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
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:
7.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
2.0ms
(log (- 1.0 x))
2.0ms
(log (+ 1.0 x))

series212.0ms

Counts
3 → 9
Calls
3 calls:
124.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
41.0ms
(log (- 1.0 x))
47.0ms
(log (+ 1.0 x))

simplify45.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0425668
11561624
25001599

prune187.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 59.2b

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)))))
5.9b
(log (- 1.0 x))

rewrite65.0ms

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:
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
25.0ms
(/ (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))

series225.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
133.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
42.0ms
(log (- 1.0 x))

simplify108.0ms

Algorithm
egg-herbie
Counts
172 → 172
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
09951550
142131389
250011389

prune473.0ms

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)))))

rewrite107.0ms

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:
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
28.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
38.0ms
(/ (- (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)))))

series226.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
48.0ms
(* 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)))))

simplify95.0ms

Algorithm
egg-herbie
Counts
275 → 275
Iterations

Useful iterations: 1 (20.0ms)

IterNodesCost
08552669
141522250
250012250

prune717.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 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
(/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
0.2b
(* (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
180×times-frac
165×add-sqr-sqrt
153×associate-*r*
112×unpow-prod-down
92×*-un-lft-identity
88×add-cube-cbrt
63×add-exp-log
48×unpow2 sqr-pow
37×unswap-sqr
24×prod-exp
22×div-exp
21×add-cbrt-cube
12×pow1 pow-to-exp associate-*l* pow-exp
associate-/r/
associate-*r/
cbrt-unprod
cbrt-undiv flip3-- frac-sub flip-- div-inv add-log-exp
pow-prod-down associate-/r* *-commutative associate-/l*
frac-times rec-exp flip3-+ 1-exp associate-*l/ flip-+ distribute-lft-out--
pow-flip frac-2neg clear-num log-pow un-div-inv inv-pow difference-of-squares
Counts
4 → 302
Calls
4 calls:
27.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
26.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
23.0ms
(/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
71.0ms
(* (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

series315.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
53.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
89.0ms
(/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
120.0ms
(* (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (/ 1 (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))

simplify122.0ms

Algorithm
egg-herbie
Counts
314 → 314
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
09982938
148472557
250012557

prune848.0ms

Pruning

5 alts after pruning (3 fresh and 2 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

sample5.2s

Algorithm
intervals
Results
3.3s3389×body1280valid
1.2s2527×body640valid
318.0ms1251×body320valid
142.0ms8000×pre80true
93.0ms624×body160valid
12.0ms209×body80valid