Details

Time bar (total: 15.6s)

sample197.0ms

Algorithm
intervals
Results
100.0ms109×body1280valid
39.0ms80×body640valid
17.0ms276×body80nan
11.0ms37×body320valid
3.0ms19×body160valid
1.0ms11×body80valid

simplify200.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
11812
22512
34012
46512
59612
611812
712612
812812
done12812

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.1b

localize15.0ms

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)))

rewrite42.0ms

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
expm1-log1p-u flip3-- div-exp rem-log-exp flip-- log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 86
Calls
2 calls:
25.0ms
(/ (+ 1.0 x) (- 1.0 x))
11.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series202.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(/ (+ 1.0 x) (- 1.0 x))
168.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify2.0s

Counts
92 → 92
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01461310
13351243
28511182
321661136
done50001134

prune282.0ms

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

prune16.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize19.0ms

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)))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
149×*-un-lft-identity
109×add-sqr-sqrt
105×times-frac
96×log-prod
72×sqrt-prod
65×add-cube-cbrt
41×associate-+r+
22×distribute-lft-out distribute-lft-out-- difference-of-squares
13×pow1
11×log-pow
10×add-exp-log
associate-+l+ associate-/l*
log-div fma-def sqrt-div associate-/r/ add-cbrt-cube
associate-/r*
expm1-log1p-u flip3-+ flip-+ log1p-expm1-u add-log-exp
flip3-- rem-log-exp flip-- div-inv
associate-+l- sqrt-pow1 pow1/2 div-exp associate-/l/
cbrt-undiv +-commutative associate-+r- frac-2neg clear-num sum-log
Counts
4 → 215
Calls
4 calls:
41.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
40.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
20.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
9.0ms
(log (sqrt (+ 1.0 x)))

series1.2s

Counts
4 → 12
Calls
4 calls:
715.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
137.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
274.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
103.0ms
(log (sqrt (+ 1.0 x)))

simplify1.4s

Counts
227 → 227
Iterations

Useful iterations: done (1.4s)

IterNodesCost
03233870
17433513
220083187
done50003082

prune660.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize17.0ms

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)))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
55×add-sqr-sqrt
50×log-prod
45×times-frac
35×add-cube-cbrt
21×associate-+r+
14×add-exp-log
13×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*
expm1-log1p-u associate-+l+ fma-def div-exp log1p-expm1-u 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 → 150
Calls
4 calls:
30.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
21.0ms
(/ 1 (- 1.0 x))
7.0ms
(log (+ 1.0 x))
11.0ms
(log (/ 1 (- 1.0 x)))

series353.0ms

Counts
4 → 12
Calls
4 calls:
190.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
35.0ms
(/ 1 (- 1.0 x))
48.0ms
(log (+ 1.0 x))
80.0ms
(log (/ 1 (- 1.0 x)))

simplify2.6s

Counts
162 → 162
Iterations

Useful iterations: done (2.6s)

IterNodesCost
02231829
15021516
211051384
325121350
done50011329

prune424.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

regimes60.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01220
11420
done1420

end0.0ms

sample5.6s

Algorithm
intervals
Results
2.9s3383×body1280valid
1.2s2511×body640valid
569.0ms7937×body80nan
362.0ms1257×body320valid
96.0ms648×body160valid
15.0ms201×body80valid