Details

Time bar (total: 6.4s)

sample58.0ms

Algorithm
intervals
Results
34.0ms71×body1280valid
11.0ms54×body640valid
2.0ms20×body320valid
2.0ms100×body80valid
1.0ms76×body80nan
1.0ms11×body160valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
044
154
done54

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.7b

localize3.0ms

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))

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(log (+ 1.0 x))

simplify681.0ms

Counts
20 → 20
Iterations

Useful iterations: 3 (128.0ms)

IterNodesCost
060188
1133177
2376159
31394158
done5001158

prune244.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 1 expressions with local error:

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

series43.0ms

Counts
1 → 3
Calls
1 calls:
43.0ms
(fma -1/2 (/ (pow x 2) (pow 1.0 2)) (fma 1.0 x (log 1.0)))

simplify1.2s

Counts
13 → 13
Iterations

Useful iterations: 4 (224.0ms)

IterNodesCost
025225
145222
2139194
3474191
42871188
done5000188

prune41.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

3.2b
(log (sqrt (+ 1.0 x)))
3.2b
(log (sqrt (+ 1.0 x)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
14×log-prod
10×*-un-lft-identity
sqrt-prod
pow1 add-sqr-sqrt add-cube-cbrt log-pow
add-exp-log log-div sqrt-div
expm1-log1p-u sqrt-pow1 flip3-+ pow1/2 rem-log-exp add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
2 → 44
Calls
2 calls:
3.0ms
(log (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))

series161.0ms

Counts
2 → 6
Calls
2 calls:
80.0ms
(log (sqrt (+ 1.0 x)))
81.0ms
(log (sqrt (+ 1.0 x)))

simplify537.0ms

Counts
50 → 50
Iterations

Useful iterations: 3 (137.0ms)

IterNodesCost
074520
1145488
2358430
31291428
done5000428

prune94.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (+ 1.0 x))
0.2b
(cbrt (+ 1.0 x))
3.2b
(log (cbrt (+ 1.0 x)))
3.2b
(log (cbrt (+ 1.0 x)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×cbrt-prod
14×log-prod
10×add-sqr-sqrt add-cube-cbrt
cbrt-div
pow1 add-exp-log
expm1-log1p-u log-div flip3-+ pow1/3 log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
rem-log-exp
Counts
4 → 74
Calls
4 calls:
2.0ms
(cbrt (+ 1.0 x))
2.0ms
(cbrt (+ 1.0 x))
5.0ms
(log (cbrt (+ 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series404.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(cbrt (+ 1.0 x))
90.0ms
(cbrt (+ 1.0 x))
110.0ms
(log (cbrt (+ 1.0 x)))
108.0ms
(log (cbrt (+ 1.0 x)))

simplify958.0ms

Counts
86 → 86
Iterations

Useful iterations: done (955.0ms)

IterNodesCost
0118986
1263934
2754862
32746798
done5001796

prune210.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes43.0ms

Accuracy

98.1% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 22.1b

bsearch1.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01731
11831
done1831

end0.0ms

sample1.6s

Algorithm
intervals
Results
949.0ms2207×body1280valid
336.0ms1661×body640valid
85.0ms839×body320valid
61.0ms2863×body80valid
37.0ms2640×body80nan
25.0ms430×body160valid