Details

Time bar (total: 17.3s)

sample151.0ms

Algorithm
intervals
Results
64.0ms109×body1280valid
30.0ms276×body80nan
27.0ms80×body640valid
8.0ms37×body320valid
2.0ms19×body160valid
1.0ms11×body80valid

simplify109.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
11812
22512
34012
46112
58812
610212
710612
done10612

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.1b

localize18.0ms

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)))

rewrite67.0ms

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:
45.0ms
(/ (+ 1.0 x) (- 1.0 x))
18.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series187.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(/ (+ 1.0 x) (- 1.0 x))
154.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.8s

Counts
88 → 88
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01421276
13191221
28031150
319661108
done50001104

prune315.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize20.0ms

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

localize14.0ms

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)))

rewrite91.0ms

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:
33.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
23.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
18.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
6.0ms
(log (sqrt (+ 1.0 x)))

series939.0ms

Counts
4 → 12
Calls
4 calls:
404.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
152.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
285.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
97.0ms
(log (sqrt (+ 1.0 x)))

simplify1.6s

Counts
213 → 213
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03153788
17073452
218673135
done50003027

prune577.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize23.0ms

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)))

rewrite64.0ms

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:
24.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
17.0ms
(/ 1 (- 1.0 x))
5.0ms
(log (+ 1.0 x))
13.0ms
(log (/ 1 (- 1.0 x)))

series478.0ms

Counts
4 → 12
Calls
4 calls:
273.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
35.0ms
(/ 1 (- 1.0 x))
59.0ms
(log (+ 1.0 x))
111.0ms
(log (/ 1 (- 1.0 x)))

simplify4.5s

Counts
150 → 150
Iterations

Useful iterations: 4 (3.2s)

IterNodesCost
02151769
14721480
210011339
321851307
449041289
done50011289

prune368.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

regimes39.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01320
11820
done1820

end0.0ms

sample6.0s

Algorithm
intervals
Results
2.7s3383×body1280valid
1.2s2511×body640valid
1.1s7937×body80nan
440.0ms1257×body320valid
110.0ms648×body160valid
16.0ms201×body80valid