Details

Time bar (total: 7.1s)

sample59.0ms

Algorithm
intervals
Results
34.0ms71×body1280valid
11.0ms54×body640valid
3.0ms20×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

localize7.0ms

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
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series43.0ms

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

simplify666.0ms

Counts
18 → 18
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
058178
1123171
2330151
31246151
done5000151

prune44.0ms

Pruning

3 alts after pruning (3 fresh and 0 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
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

rewrite61.0ms

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 add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 126
Calls
2 calls:
30.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
23.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

series94.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
41.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

simplify1.7s

Counts
132 → 132
Iterations

Useful iterations: 2 (299.0ms)

IterNodesCost
02681979
16841743
231781523
done50011523

prune295.0ms

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)))

rewrite8.0ms

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
sqrt-pow1 flip3-+ pow1/2 rem-log-exp add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
2 → 40
Calls
2 calls:
3.0ms
(log (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))

series157.0ms

Counts
2 → 6
Calls
2 calls:
78.0ms
(log (sqrt (+ 1.0 x)))
79.0ms
(log (sqrt (+ 1.0 x)))

simplify548.0ms

Counts
46 → 46
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
072496
1137468
2328412
31179412
done5000412

prune90.0ms

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)))

rewrite12.0ms

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
log-div flip3-+ pow1/3 log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
rem-log-exp
Counts
4 → 66
Calls
4 calls:
2.0ms
(cbrt (+ 1.0 x))
2.0ms
(cbrt (+ 1.0 x))
3.0ms
(log (cbrt (+ 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series396.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(cbrt (+ 1.0 x))
85.0ms
(cbrt (+ 1.0 x))
109.0ms
(log (cbrt (+ 1.0 x)))
116.0ms
(log (cbrt (+ 1.0 x)))

simplify977.0ms

Counts
78 → 78
Iterations

Useful iterations: done (975.0ms)

IterNodesCost
0114942
1249906
2675834
32464770
done5001766

prune199.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes45.0ms

Accuracy

98.1% (0.4b remaining)

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

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01933
12333
done2333

end0.0ms

sample1.7s

Algorithm
intervals
Results
971.0ms2207×body1280valid
343.0ms1661×body640valid
88.0ms839×body320valid
61.0ms2863×body80valid
34.0ms2640×body80nan
26.0ms430×body160valid