Details

Time bar (total: 9.9s)

sample92.0ms

Algorithm
intervals
Results
46.0ms106×body1280valid
20.0ms84×body640valid
6.0ms238×body80nan
5.0ms39×body320valid
2.0ms21×body160valid
0.0msbody80valid

simplify100.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0912
11812
22512
34012
46512
59612
611812
712612
812812
done12812

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.6b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
6.5b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite36.0ms

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:
23.0ms
(/ (+ 1.0 x) (- 1.0 x))
10.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series147.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ (+ 1.0 x) (- 1.0 x))
116.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.4s

Counts
92 → 92
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01461310
13351243
28511182
321661136
done50001134

prune188.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

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

prune4.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- (log (sqrt (- 1.0 x)))) (log (/ (+ 1.0 x) (sqrt (- 1.0 x)))))
0.0b
(/ (+ 1.0 x) (sqrt (- 1.0 x)))
6.4b
(log (sqrt (- 1.0 x)))
6.5b
(log (/ (+ 1.0 x) (sqrt (- 1.0 x))))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
151×*-un-lft-identity
96×times-frac
94×add-sqr-sqrt
92×log-prod
75×sqrt-prod
64×add-cube-cbrt
38×associate-+r+
31×distribute-lft-out
16×pow1 fma-def
15×log-pow distribute-lft-out-- difference-of-squares
10×add-exp-log distribute-rgt-neg-in
associate-+l+ distribute-neg-in sqrt-div associate-/r*
distribute-lft-neg-in associate-/r/ add-cbrt-cube
add-log-exp
expm1-log1p-u log-div flip3-- flip-- log1p-expm1-u associate-/l*
sqrt-pow1 pow1/2 rem-log-exp div-inv
flip3-+ div-exp sum-log flip-+ associate-/l/
cbrt-undiv +-commutative neg-sub0 associate-+l- associate-+r- neg-mul-1 frac-2neg neg-log clear-num
Counts
4 → 220
Calls
4 calls:
39.0ms
(+ (- (log (sqrt (- 1.0 x)))) (log (/ (+ 1.0 x) (sqrt (- 1.0 x)))))
28.0ms
(/ (+ 1.0 x) (sqrt (- 1.0 x)))
6.0ms
(log (sqrt (- 1.0 x)))
11.0ms
(log (/ (+ 1.0 x) (sqrt (- 1.0 x))))

series639.0ms

Counts
4 → 12
Calls
4 calls:
292.0ms
(+ (- (log (sqrt (- 1.0 x)))) (log (/ (+ 1.0 x) (sqrt (- 1.0 x)))))
84.0ms
(/ (+ 1.0 x) (sqrt (- 1.0 x)))
78.0ms
(log (sqrt (- 1.0 x)))
184.0ms
(log (/ (+ 1.0 x) (sqrt (- 1.0 x))))

simplify952.0ms

Counts
232 → 232
Iterations

Useful iterations: done (945.0ms)

IterNodesCost
03043749
16873450
219903187
done50002968

prune467.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
0.0b
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
6.6b
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))
6.6b
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
286×sqrt-prod
262×*-un-lft-identity
224×times-frac
194×add-sqr-sqrt
134×add-cube-cbrt
124×log-prod
34×distribute-lft-out
30×distribute-lft-out-- difference-of-squares
16×associate-/r*
14×add-exp-log associate-/l*
12×sqrt-div
associate-/r/ add-cbrt-cube
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 sqrt-undiv frac-2neg flip3-+ clear-num log-pow flip-+
Counts
4 → 330
Calls
4 calls:
26.0ms
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
23.0ms
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
13.0ms
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))
13.0ms
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))

series525.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
86.0ms
(/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x)))
175.0ms
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))
178.0ms
(log (/ (sqrt (+ 1.0 x)) (sqrt (- 1.0 x))))

simplify1.6s

Counts
342 → 342
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02476854
15106106
211925908
330435732
done50005712

prune592.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

regimes17.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01220
11420
done1420

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.5s3418×body1280valid
600.0ms2486×body640valid
213.0ms7910×body80nan
182.0ms1232×body320valid
56.0ms649×body160valid
11.0ms215×body80valid