Details

Time bar (total: 12.6s)

sample58.0ms

Algorithm
intervals
Results
18.0ms357×body80valid
17.0ms397×body80nan

simplify1.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28324
319124
441924
581324
6149024
7385024
done500124

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.6b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z)
0.2b
(* (- x 0.5) (log x))
0.2b
(- (* (- x 0.5) (log x)) x)
6.9b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
12×log-prod
10×add-exp-log add-cbrt-cube
pow1 times-frac
associate-*l*
associate-*r*
distribute-rgt-in distribute-lft-in associate--l+ add-log-exp
associate-*l/
flip3-- associate-/r* flip-- associate-/l*
pow-prod-down prod-exp *-commutative cbrt-unprod associate-/l/ unswap-sqr
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp clear-num log-pow flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 96
Calls
4 calls:
20.0ms
(* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z)
11.0ms
(* (- x 0.5) (log x))
7.0ms
(- (* (- x 0.5) (log x)) x)
21.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series800.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z)
257.0ms
(* (- x 0.5) (log x))
421.0ms
(- (* (- x 0.5) (log x)) x)
85.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify538.0ms

Counts
108 → 108
Iterations

Useful iterations: done (534.0ms)

IterNodesCost
02161608
14801562
214301404
done50021368

prune540.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.3b

localize24.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
6.9b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-prod times-frac
add-exp-log add-cbrt-cube
pow1 add-log-exp
pow1/3 associate-/r* associate-/l*
associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
4 → 62
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
1.0ms
(cbrt x)
25.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series605.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(cbrt x)
172.0ms
(cbrt x)
172.0ms
(cbrt x)
84.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify728.0ms

Counts
74 → 74
Iterations

Useful iterations: 3 (263.0ms)

IterNodesCost
097893
1214870
2573790
31696761
done5001761

prune365.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 4.3b

localize31.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
4.9b
(pow (/ 1 x) -1/3)
6.9b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×times-frac
13×unpow-prod-down
11×add-exp-log
pow1 cbrt-prod add-cbrt-cube
pow-exp add-log-exp
pow-unpow pow-pow div-exp associate-/r* associate-/l*
pow1/3 div-inv associate-/l/
cbrt-undiv pow-to-exp rec-exp pow-flip frac-2neg flip3-+ 1-exp clear-num flip-+ inv-pow sqr-pow
Counts
4 → 83
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
4.0ms
(pow (/ 1 x) -1/3)
21.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series592.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(cbrt x)
175.0ms
(cbrt x)
167.0ms
(pow (/ 1 x) -1/3)
79.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify970.0ms

Counts
95 → 95
Iterations

Useful iterations: 3 (384.0ms)

IterNodesCost
01681157
13691075
2827985
32217952
done5000952

prune463.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 4.3b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (sqrt x))
0.6b
(cbrt x)
4.9b
(pow (/ 1 x) -1/3)
6.9b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×times-frac
13×unpow-prod-down
11×add-exp-log
cbrt-prod
pow1 add-cbrt-cube
pow-exp add-log-exp
pow-unpow pow-pow div-exp associate-/r* sqrt-prod associate-/l*
pow1/3 div-inv associate-/l/
cbrt-undiv pow-to-exp rec-exp pow-flip frac-2neg flip3-+ 1-exp clear-num flip-+ inv-pow sqr-pow
Counts
4 → 86
Calls
4 calls:
1.0ms
(cbrt (sqrt x))
0.0ms
(cbrt x)
4.0ms
(pow (/ 1 x) -1/3)
21.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series702.0ms

Counts
4 → 12
Calls
4 calls:
234.0ms
(cbrt (sqrt x))
182.0ms
(cbrt x)
202.0ms
(pow (/ 1 x) -1/3)
84.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.3s

Counts
98 → 98
Iterations

Useful iterations: 3 (594.0ms)

IterNodesCost
01971216
14321128
210071032
33162998
done5000998

prune474.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.3b

regimes720.0ms

Accuracy

87.5% (0.3b remaining)

Error of 3.8b against oracle of 3.5b and baseline of 5.8b

bsearch69.0ms

Steps
ItersRangePoint
6
1.3599148473568843e+38
1.0367600217822192e+39
4.932149159571647e+38

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05081
16781
done6781

end0.0ms

sample1.7s

Algorithm
intervals
Results
600.0ms11767×body80valid
538.0ms12076×body80nan