Details

Time bar (total: 13.9s)

sample181.0ms

Algorithm
intervals
Results
85.0ms96×body1280valid
39.0ms90×body640valid
17.0ms270×body80nan
12.0ms42×body320valid
4.0ms22×body160valid
0.0msbody80valid

simplify422.0ms

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: 59.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
6.9b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite57.0ms

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:
40.0ms
(/ (+ 1.0 x) (- 1.0 x))
10.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series230.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(/ (+ 1.0 x) (- 1.0 x))
194.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify2.0s

Counts
92 → 92
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01461310
13351243
28511182
321661136
done50001134

prune308.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

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

prune8.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (log (+ 1.0 x)) (- (log (- 1.0 x))))
6.9b
(log (- 1.0 x))
6.9b
(log (+ 1.0 x))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
18×log-prod
12×add-sqr-sqrt
11×pow1
add-cube-cbrt log-pow distribute-lft-out
log-div
add-exp-log associate-+r+ distribute-neg-in
associate-+l+ fma-def distribute-rgt-neg-in add-log-exp
expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
associate-+l- rem-log-exp sum-log distribute-lft-out-- difference-of-squares
+-commutative neg-sub0 associate-+r- flip3-- unsub-neg neg-log flip--
Counts
3 → 73
Calls
3 calls:
42.0ms
(+ (log (+ 1.0 x)) (- (log (- 1.0 x))))
11.0ms
(log (- 1.0 x))
9.0ms
(log (+ 1.0 x))

series390.0ms

Counts
3 → 9
Calls
3 calls:
299.0ms
(+ (log (+ 1.0 x)) (- (log (- 1.0 x))))
48.0ms
(log (- 1.0 x))
43.0ms
(log (+ 1.0 x))

simplify2.5s

Counts
82 → 82
Iterations

Useful iterations: done (2.5s)

IterNodesCost
0152863
1359783
2937713
32396704
done5000695

prune237.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 2/3 (pow (/ x 1.0) 3) (fma 2.0 x (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
0.1b
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
58×times-frac
55×add-sqr-sqrt
53×associate-*r*
48×unpow-prod-down
32×add-cube-cbrt *-un-lft-identity
25×add-exp-log
20×sqr-pow
10×prod-exp unswap-sqr
div-exp
add-cbrt-cube
pow-to-exp pow-exp
pow1
associate-*l*
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp
cbrt-undiv associate-*r/ pow-prod-down *-commutative fma-udef div-inv
Counts
2 → 100
Calls
2 calls:
0.0ms
(fma 2/3 (pow (/ x 1.0) 3) (fma 2.0 x (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
61.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

series269.0ms

Counts
2 → 6
Calls
2 calls:
118.0ms
(fma 2/3 (pow (/ x 1.0) 3) (fma 2.0 x (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
150.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

simplify943.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (244.0ms)

IterNodesCost
02131543
14611362
213391277
done50001277

prune552.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes15.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01723
11923
done1923

end0.0ms

sample5.6s

Algorithm
intervals
Results
2.6s3362×body1280valid
1.6s2520×body640valid
521.0ms7844×body80nan
334.0ms1282×body320valid
97.0ms625×body160valid
15.0ms211×body80valid