Details

Time bar (total: 3.8s)

sample59.0ms

Algorithm
intervals
Results
32.0ms71×body1280valid
12.0ms56×body640valid
2.0ms24×body320valid
2.0ms93×body80valid
1.0ms84×body80nan
1.0ms12×body160valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
052
152

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.4b

localize4.0ms

Local error

Found 1 expressions with local error:

3.1b
(log (+ 1.0 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
expm1-log1p-u flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
1 → 17
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series43.0ms

Counts
1 → 3
Calls
1 calls:
43.0ms
(log (+ 1.0 x))

simplify44.0ms

Algorithm
egg-herbie
Counts
20 → 20
Iterations

Useful iterations: 3 (41.0ms)

IterNodesCost
013199
136389
2129286
3500281

prune47.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
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 → 122
Calls
2 calls:
30.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series97.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
43.0ms
(fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify61.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0560763
12406633
25001632

prune291.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (log (+ 1.0 x)))
3.1b
(log (+ 1.0 x))
3.1b
(log (+ 1.0 x))
3.1b
(log (+ 1.0 x))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
12×log-prod
pow1 add-sqr-sqrt add-cube-cbrt
add-exp-log
log-div
cbrt-prod expm1-log1p-u log-pow add-cbrt-cube log1p-expm1-u add-log-exp
flip3-+ rem-log-exp flip-+ distribute-lft-out
pow1/3
Counts
4 → 65
Calls
4 calls:
1.0ms
(cbrt (log (+ 1.0 x)))
2.0ms
(log (+ 1.0 x))
2.0ms
(log (+ 1.0 x))
3.0ms
(log (+ 1.0 x))

series274.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(cbrt (log (+ 1.0 x)))
41.0ms
(log (+ 1.0 x))
44.0ms
(log (+ 1.0 x))
42.0ms
(log (+ 1.0 x))

simplify114.0ms

Algorithm
egg-herbie
Counts
77 → 77
Iterations

Useful iterations: 3 (108.0ms)

IterNodesCost
0321470
11028431
24280399
35001396

prune202.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

3.1b
(log (+ 1.0 x))
3.1b
(log (+ 1.0 x))
3.2b
(log (cbrt (+ 1.0 x)))
3.2b
(log (cbrt (+ 1.0 x)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
22×log-prod
18×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log cbrt-prod log-div
log-pow
expm1-log1p-u cbrt-div flip3-+ rem-log-exp add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
pow1/3
Counts
4 → 76
Calls
4 calls:
3.0ms
(log (+ 1.0 x))
2.0ms
(log (+ 1.0 x))
3.0ms
(log (cbrt (+ 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series306.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(log (+ 1.0 x))
43.0ms
(log (+ 1.0 x))
109.0ms
(log (cbrt (+ 1.0 x)))
110.0ms
(log (cbrt (+ 1.0 x)))

simplify61.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 3 (54.0ms)

IterNodesCost
0225508
1598460
22159450
35001440

prune279.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes87.0ms

Accuracy

98.4% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.7b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01810
11810

end0.0ms

sample1.7s

Algorithm
intervals
Results
979.0ms2250×body1280valid
367.0ms1746×body640valid
82.0ms783×body320valid
60.0ms2814×body80valid
39.0ms2714×body80nan
25.0ms407×body160valid