Details

Time bar (total: 9.5s)

sample147.0ms

Algorithm
intervals
Results
92.0ms111×body1280valid
32.0ms82×body640valid
7.0ms38×body320valid
4.0ms256×pre80true
2.0ms19×body160valid
0.0msbody80valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
079
1109
2119
done119

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.9b

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))
6.1b
(log (+ 1.0 x))

rewrite16.0ms

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:
8.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series225.0ms

Counts
3 → 9
Calls
3 calls:
129.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
49.0ms
(log (- 1.0 x))
47.0ms
(log (+ 1.0 x))

simplify439.0ms

Counts
78 → 78
Iterations

Useful iterations: done (436.0ms)

IterNodesCost
01861203
14261150
213311064
done50001041

prune184.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 59.9b

localize19.0ms

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)))))
6.1b
(log (- 1.0 x))

rewrite69.0ms

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:
31.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
28.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
3.0ms
(log (- 1.0 x))

series245.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
145.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
49.0ms
(log (- 1.0 x))

simplify1.1s

Counts
172 → 172
Iterations

Useful iterations: 2 (607.0ms)

IterNodesCost
04093188
19962943
231982577
done50012577

prune476.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

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)))))

rewrite123.0ms

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:
33.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
30.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
46.0ms
(/ (- (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)))))

series238.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
56.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
125.0ms
(/ (- (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)))))

simplify930.0ms

Counts
275 → 275
Iterations

Useful iterations: 2 (513.0ms)

IterNodesCost
03345394
18554926
227564280
done50004280

prune738.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes24.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01533
11933
done1933

end0.0ms

sample4.5s

Algorithm
intervals
Results
2.9s3425×body1280valid
1.0s2518×body640valid
251.0ms1257×body320valid
104.0ms8000×pre80true
67.0ms582×body160valid
10.0ms218×body80valid