Details

Time bar (total: 19.0s)

sample249.0ms

Algorithm
intervals
Results
159.0ms110×body1280valid
53.0ms82×body640valid
12.0ms38×body320valid
5.0ms256×pre80true
4.0ms20×body160valid
0.0msbody80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1109
2119
done119

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.3b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.2b
(log (+ 1.0 x))
5.3b
(log (- 1.0 x))

rewrite64.0ms

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:
41.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
9.0ms
(log (+ 1.0 x))
11.0ms
(log (- 1.0 x))

series276.0ms

Counts
3 → 9
Calls
3 calls:
153.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
70.0ms
(log (+ 1.0 x))
52.0ms
(log (- 1.0 x))

simplify3.2s

Counts
84 → 84
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
01921243
14531173
213221093
346351039
done50001039

prune391.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 58.7b

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))))
5.3b
(log (- 1.0 x))

rewrite42.0ms

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:
27.0ms
(/ (log (- 1.0 x)) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))
13.0ms
(log (- 1.0 x))

series242.0ms

Counts
2 → 6
Calls
2 calls:
191.0ms
(/ (log (- 1.0 x)) (fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0))))
51.0ms
(log (- 1.0 x))

simplify2.7s

Counts
59 → 59
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01811508
14231463
212441364
345241346
done50001343

prune316.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

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))))

rewrite126.0ms

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:
54.0ms
(* 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))))

series227.0ms

Counts
2 → 6
Calls
2 calls:
76.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
151.0ms
(/ (- (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))))

simplify1.3s

Counts
162 → 162
Iterations

Useful iterations: done (1.2s)

IterNodesCost
03133610
16933382
216572980
done50002964

prune743.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 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))))
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)

rewrite154.0ms

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:
67.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
30.0ms
(/ (- (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))))
24.0ms
(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))
18.0ms
(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)

series564.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
133.0ms
(/ (- (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))))
174.0ms
(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))
208.0ms
(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)

simplify1.5s

Counts
296 → 296
Iterations

Useful iterations: done (1.5s)

IterNodesCost
041811031
1100510155
227069237
done50009220

prune908.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

regimes40.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01833
11933
done1933

end0.0ms

sample6.0s

Algorithm
intervals
Results
3.8s3332×body1280valid
1.4s2580×body640valid
327.0ms1247×body320valid
131.0ms8000×pre80true
94.0ms627×body160valid
14.0ms214×body80valid