Details

Time bar (total: 18.2s)

sample188.0ms

Algorithm
intervals
Results
81.0ms109×body1280valid
38.0ms276×body80nan
35.0ms80×body640valid
10.0ms37×body320valid
3.0ms19×body160valid
1.0ms11×body80valid

simplify117.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
11812
22512
34012
46112
58812
610212
710612
done10612

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.1b

localize9.0ms

Local error

Found 2 expressions with local error:

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

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
flip3-- div-exp rem-log-exp flip-- div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 82
Calls
2 calls:
57.0ms
(/ (+ 1.0 x) (- 1.0 x))
13.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series273.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(/ (+ 1.0 x) (- 1.0 x))
212.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify2.2s

Counts
88 → 88
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01421276
13191221
28031150
319661108
done50001104

prune267.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize25.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune11.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
0.0b
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
6.2b
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
6.4b
(log (sqrt (+ 1.0 x)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
148×*-un-lft-identity
108×add-sqr-sqrt
105×times-frac
96×log-prod
72×sqrt-prod
64×add-cube-cbrt
41×associate-+r+
22×distribute-lft-out distribute-lft-out-- difference-of-squares
11×pow1
10×add-exp-log
log-pow
associate-+l+ associate-/l*
log-div sqrt-div associate-/r/ add-cbrt-cube
associate-/r*
flip3-+ flip-+ add-log-exp
flip3-- rem-log-exp flip-- div-inv
associate-+l- div-exp associate-/l/
cbrt-undiv +-commutative associate-+r- frac-2neg sqrt-pow1 pow1/2 clear-num sum-log
Counts
4 → 201
Calls
4 calls:
41.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
30.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
14.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
6.0ms
(log (sqrt (+ 1.0 x)))

series985.0ms

Counts
4 → 12
Calls
4 calls:
480.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
114.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
286.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
105.0ms
(log (sqrt (+ 1.0 x)))

simplify1.4s

Counts
213 → 213
Iterations

Useful iterations: done (1.4s)

IterNodesCost
03153788
17073452
218673135
done50003027

prune721.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
0.0b
(/ 1 (- 1.0 x))
6.3b
(log (+ 1.0 x))
6.3b
(log (/ 1 (- 1.0 x)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
54×add-sqr-sqrt
50×log-prod
45×times-frac
34×add-cube-cbrt
21×associate-+r+
14×add-exp-log
12×pow1
10×distribute-lft-out-- difference-of-squares
log-pow
log-div associate-/r/ add-cbrt-cube distribute-lft-out
rem-log-exp associate-/r*
associate-+l+ div-exp add-log-exp
flip3-- flip3-+ log-rec flip-- flip-+ div-inv associate-/l*
associate-+l- rec-exp pow-flip 1-exp inv-pow
cbrt-undiv +-commutative associate-+r- frac-2neg unsub-neg clear-num sum-log
Counts
4 → 138
Calls
4 calls:
37.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
25.0ms
(/ 1 (- 1.0 x))
10.0ms
(log (+ 1.0 x))
17.0ms
(log (/ 1 (- 1.0 x)))

series446.0ms

Counts
4 → 12
Calls
4 calls:
253.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
25.0ms
(/ 1 (- 1.0 x))
76.0ms
(log (+ 1.0 x))
93.0ms
(log (/ 1 (- 1.0 x)))

simplify4.9s

Counts
150 → 150
Iterations

Useful iterations: 4 (3.4s)

IterNodesCost
02151769
14721480
210011339
321851307
449041289
done50011289

prune431.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

regimes53.0ms

Accuracy

0% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 0.6b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01320
11820
done1820

end0.0ms

sample5.9s

Algorithm
intervals
Results
3.3s3383×body1280valid
1.2s2511×body640valid
538.0ms7937×body80nan
326.0ms1257×body320valid
105.0ms648×body160valid
16.0ms201×body80valid