Details

Time bar (total: 18.7s)

sample196.0ms

Algorithm
intervals
Results
122.0ms114×body1280valid
43.0ms82×body640valid
9.0ms35×body320valid
5.0ms256×pre80true
3.0ms18×body160valid
1.0msbody80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1109
2119
done119

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 62.2b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.6b
(log (+ 1.0 x))
5.6b
(log (- 1.0 x))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 75
Calls
3 calls:
37.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.0ms
(log (+ 1.0 x))
7.0ms
(log (- 1.0 x))

series297.0ms

Counts
3 → 9
Calls
3 calls:
184.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
65.0ms
(log (+ 1.0 x))
47.0ms
(log (- 1.0 x))

simplify1.2s

Counts
84 → 84
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01921243
14601173
218581093
done50001070

prune402.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 60.1b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))
5.6b
(log (- 1.0 x))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt *-un-lft-identity
12×add-cube-cbrt times-frac
pow1
add-exp-log log-prod log-pow
log-div add-cbrt-cube associate-/l*
associate-/r*
expm1-log1p-u flip3-- div-sub flip-- log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg div-exp rem-log-exp clear-num div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 53
Calls
2 calls:
36.0ms
(/ (log (- 1.0 x)) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))
7.0ms
(log (- 1.0 x))

series250.0ms

Counts
2 → 6
Calls
2 calls:
193.0ms
(/ (log (- 1.0 x)) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))
57.0ms
(log (- 1.0 x))

simplify1.0s

Counts
59 → 59
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01811508
14291463
216771366
done50011361

prune372.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize47.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
98×times-frac
89×add-sqr-sqrt
68×associate-*r*
59×*-un-lft-identity
56×unpow-prod-down
47×add-cube-cbrt
27×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×div-exp prod-exp
add-cbrt-cube
pow1 distribute-lft-out--
pow-to-exp pow-exp associate-/l*
log-pow difference-of-squares
associate-*l* associate-/r*
cbrt-undiv expm1-log1p-u cbrt-unprod log1p-expm1-u div-inv associate-/l/ add-log-exp
flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 156
Calls
2 calls:
51.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
56.0ms
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

series206.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
144.0ms
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

simplify2.0s

Counts
162 → 162
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03133610
18233382
237322980
done50012976

prune1.0s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(cbrt (pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3))
0.0b
(pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3)
0.0b
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

rewrite215.0ms

Algorithm
rewrite-expression-head
Rules
170×times-frac
157×add-sqr-sqrt
139×*-un-lft-identity
100×unpow-prod-down
91×add-cube-cbrt
68×associate-*r*
50×cbrt-prod
44×cube-prod
32×add-exp-log distribute-lft-out--
26×sqr-pow
24×unpow2
23×pow1
17×unswap-sqr
16×log-pow difference-of-squares
14×add-cbrt-cube
11×div-exp
10×prod-exp
pow-exp
pow-to-exp
div-inv associate-/l*
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv pow-unpow associate-*l* associate-/r*
cube-div cube-mult unpow3 cbrt-unprod associate-/l/ rem-cube-cbrt
cbrt-div flip3-- pow-pow frac-2neg pow1/3 div-sub associate-*r/ pow-prod-down clear-num *-commutative flip-- rem-cbrt-cube
Counts
4 → 284
Calls
4 calls:
73.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
33.0ms
(cbrt (pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3))
35.0ms
(pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3)
59.0ms
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

series667.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
153.0ms
(cbrt (pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3))
235.0ms
(pow (/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))) 3)
177.0ms
(/ (- (log 1.0) (fma 1.0 x (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))

simplify863.0ms

Counts
296 → 296
Iterations

Useful iterations: done (843.0ms)

IterNodesCost
041811031
1125710215
done50009394

prune1.4s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

regimes43.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify11.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02035
12135
done2135

end0.0ms

sample8.1s

Algorithm
intervals
Results
5.2s3424×body1280valid
1.8s2546×body640valid
502.0ms1228×body320valid
153.0ms8000×pre80true
113.0ms594×body160valid
17.0ms208×body80valid