Details

Time bar (total: 16.8s)

sample142.0ms

Algorithm
intervals
Results
69.0ms109×body1280valid
29.0ms80×body640valid
13.0ms276×body80nan
8.0ms37×body320valid
3.0ms19×body160valid
1.0ms11×body80valid

simplify154.0ms

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)))

rewrite72.0ms

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:
47.0ms
(/ (+ 1.0 x) (- 1.0 x))
18.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series194.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (+ 1.0 x) (- 1.0 x))
154.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.9s

Counts
92 → 92
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01461310
13351243
28511182
321661136
done50001134

prune260.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

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

prune18.0ms

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)))

rewrite117.0ms

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:
53.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
24.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
13.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
6.0ms
(log (sqrt (+ 1.0 x)))

series1.0s

Counts
4 → 12
Calls
4 calls:
432.0ms
(+ (log (sqrt (+ 1.0 x))) (log (/ (sqrt (+ 1.0 x)) (- 1.0 x))))
135.0ms
(/ (sqrt (+ 1.0 x)) (- 1.0 x))
338.0ms
(log (/ (sqrt (+ 1.0 x)) (- 1.0 x)))
104.0ms
(log (sqrt (+ 1.0 x)))

simplify1.4s

Counts
227 → 227
Iterations

Useful iterations: done (1.4s)

IterNodesCost
03233870
17433513
220083187
done50003082

prune864.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

localize12.0ms

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)))

rewrite86.0ms

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:
34.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
19.0ms
(/ 1 (- 1.0 x))
10.0ms
(log (+ 1.0 x))
10.0ms
(log (/ 1 (- 1.0 x)))

series470.0ms

Counts
4 → 12
Calls
4 calls:
260.0ms
(+ (log (+ 1.0 x)) (log (/ 1 (- 1.0 x))))
33.0ms
(/ 1 (- 1.0 x))
79.0ms
(log (+ 1.0 x))
98.0ms
(log (/ 1 (- 1.0 x)))

simplify3.3s

Counts
162 → 162
Iterations

Useful iterations: done (3.3s)

IterNodesCost
02231829
15021516
211051384
325121350
done50011329

prune461.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

regimes58.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01220
11420
done1420

end0.0ms

sample6.3s

Algorithm
intervals
Results
2.5s3383×body1280valid
1.5s7937×body80nan
1.1s2511×body640valid
495.0ms1257×body320valid
102.0ms648×body160valid
67.0ms201×body80valid