Details

Time bar (total: 14.9s)

sample276.0ms

Algorithm
intervals
Results
172.0ms103×body1280valid
58.0ms82×body640valid
17.0ms46×body320valid
6.0ms256×pre80true
4.0ms16×body160valid
1.0msbody80valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done11
211
110
07

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.8b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.0b
(log (- 1.0 x))
5.0b
(log (+ 1.0 x))

rewrite43.0ms

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 clear-num frac-2neg flip3-+ div-exp flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 75
Calls
3 calls:
24.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
9.0ms
(log (- 1.0 x))
7.0ms
(log (+ 1.0 x))

series305.0ms

Counts
3 → 9
Calls
3 calls:
168.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
62.0ms
(log (- 1.0 x))
75.0ms
(log (+ 1.0 x))

simplify1.1s

Counts
84 → 84
Iterations
IterNodes
done5000
21839
1457
0191

prune473.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 58.3b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
5.0b
(log (- 1.0 x))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt *-un-lft-identity
12×times-frac add-cube-cbrt
pow1
log-prod add-exp-log log-pow
log-div add-cbrt-cube associate-/l*
associate-/r*
expm1-log1p-u flip3-- div-sub log1p-expm1-u flip-- add-log-exp
cbrt-undiv clear-num frac-2neg div-exp rem-log-exp div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 53
Calls
2 calls:
24.0ms
(/ (log (- 1.0 x)) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
5.0ms
(log (- 1.0 x))

series231.0ms

Counts
2 → 6
Calls
2 calls:
160.0ms
(/ (log (- 1.0 x)) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
71.0ms
(log (- 1.0 x))

simplify652.0ms

Counts
59 → 59
Iterations
IterNodes
done5001
21659
1433
0182

prune409.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize38.0ms

Local error

Found 1 expressions with local error:

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

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
20×add-sqr-sqrt
18×times-frac
12×add-cube-cbrt
distribute-lft-out--
associate-/l*
pow1
log-pow difference-of-squares
associate-/r* add-cbrt-cube add-exp-log
associate-/l/
expm1-log1p-u cbrt-undiv clear-num frac-2neg flip3-- div-sub div-exp log1p-expm1-u div-inv flip-- add-log-exp
Counts
1 → 44
Calls
1 calls:
23.0ms
(/ (- (log 1.0) (fma (/ 1/2 1.0) (/ (* x x) 1.0) (* 1.0 x))) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))

series137.0ms

Counts
1 → 3
Calls
1 calls:
137.0ms
(/ (- (log 1.0) (fma (/ 1/2 1.0) (/ (* x x) 1.0) (* 1.0 x))) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))

simplify466.0ms

Counts
47 → 47
Iterations
IterNodes
done5000
2827
1233
0103

prune354.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

localize69.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))) (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))))
0.7b
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
0.7b
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
0.7b
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
10.0ms
(* (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))) (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))))
1.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
1.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
1.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))

series1.0s

Counts
4 → 12
Calls
4 calls:
263.0ms
(* (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))) (cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0)))))
266.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
233.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))
279.0ms
(cbrt (fma (/ x 1.0) (/ (* x -1/2) 1.0) (fma x 1.0 (log 1.0))))

simplify883.0ms

Counts
93 → 93
Iterations
IterNodes
done5001
21848
1475
0180

prune908.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.1b

regimes68.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done17
117
016

end0.0ms

sample7.4s

Algorithm
intervals
Results
4.3s3464×body1280valid
1.6s2480×body640valid
548.0ms599×body160valid
416.0ms1238×body320valid
216.0ms8000×pre80true
16.0ms219×body80valid