Details

Time bar (total: 14.3s)

sample64.0ms

Algorithm
intervals
Results
35.0ms77×body1280valid
12.0ms50×body640valid
3.0ms27×body320valid
3.0ms93×body80valid
2.0ms97×body80nan
1.0msbody160valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
154
done54

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize4.0ms

Local error

Found 1 expressions with local error:

3.2b
(log (+ 1.0 x))

rewrite6.0ms

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:
5.0ms
(log (+ 1.0 x))

series68.0ms

Counts
1 → 3
Calls
1 calls:
68.0ms
(log (+ 1.0 x))

simplify6.4s

Counts
20 → 20
Iterations

Useful iterations: done (6.4s)

IterNodesCost
060188
1132177
2293159
3601158
41413151
53597149
done5001147

prune97.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 1 expressions with local error:

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

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(fma x (fma (/ -1/2 (* 1.0 1.0)) x 1.0) (log 1.0))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(fma x (fma (/ -1/2 (* 1.0 1.0)) x 1.0) (log 1.0))

simplify1.0s

Counts
13 → 13
Iterations

Useful iterations: 4 (270.0ms)

IterNodesCost
025202
145199
2103175
3276172
4918169
done5000169

prune52.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 3 expressions with local error:

0.2b
(cbrt (pow (log (+ 1.0 x)) 3))
0.3b
(pow (log (+ 1.0 x)) 3)
3.2b
(log (+ 1.0 x))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
14×cbrt-prod
12×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
pow1
unpow-prod-down cube-prod
add-exp-log log-pow
log-prod add-cbrt-cube
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
cube-mult log-div unpow3 sqr-pow
pow-to-exp pow-pow flip3-+ pow1/3 rem-log-exp pow-exp rem-cbrt-cube flip-+ distribute-lft-out rem-cube-cbrt
Counts
3 → 69
Calls
3 calls:
3.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
4.0ms
(pow (log (+ 1.0 x)) 3)
5.0ms
(log (+ 1.0 x))

series278.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
145.0ms
(pow (log (+ 1.0 x)) 3)
64.0ms
(log (+ 1.0 x))

simplify1.1s

Counts
78 → 78
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01641021
1422821
21276762
done5000748

prune242.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (pow (log (+ 1.0 x)) 3))
0.3b
(pow (log (+ 1.0 x)) 3)
0.3b
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
3.2b
(log (+ 1.0 x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
42×cbrt-prod
33×unpow-prod-down cube-prod
22×*-un-lft-identity
20×add-sqr-sqrt add-cube-cbrt
15×pow1
log-pow
add-exp-log
pow-unpow
cube-mult unpow3 add-cbrt-cube sqr-pow
expm1-log1p-u log-prod log1p-expm1-u add-log-exp
pow-pow
pow-to-exp log-div pow1/3 pow-exp rem-cube-cbrt
flip3-+ rem-log-exp rem-cbrt-cube flip-+ distribute-lft-out
Counts
4 → 123
Calls
4 calls:
5.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
7.0ms
(pow (log (+ 1.0 x)) 3)
16.0ms
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
10.0ms
(log (+ 1.0 x))

series391.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
130.0ms
(pow (log (+ 1.0 x)) 3)
127.0ms
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
81.0ms
(log (+ 1.0 x))

simplify1.0s

Counts
135 → 135
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01932122
14941519
213731409
done50001383

prune388.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes152.0ms

Accuracy

97.5% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 21.6b

bsearch3.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01222
11322
done1322

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.7s2358×body1280valid
563.0ms1603×body640valid
139.0ms2810×body80valid
139.0ms829×body320valid
96.0ms2697×body80nan
39.0ms400×body160valid