Details

Time bar (total: 26.0s)

sample160.0ms

Algorithm
intervals
Results
50.0ms383×body80valid
45.0ms388×body80nan

simplify5.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28424
323724
451024
593724
6185824
7375924
done500024

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.8b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 0.5) (log x))
0.1b
(- (* (- x 0.5) (log x)) x)
0.1b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite238.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
18×log-prod
12×associate--l+
11×add-log-exp
distribute-rgt-in distribute-lft-in times-frac
add-exp-log associate-+l+ add-cbrt-cube
pow1
associate-*l*
associate-*r*
associate-/r* associate-/l*
sub-neg flip3-- flip3-+ diff-log associate-*l/ sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- frac-2neg div-exp pow-prod-down prod-exp clear-num log-pow *-commutative cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 98
Calls
4 calls:
29.0ms
(* (- x 0.5) (log x))
26.0ms
(- (* (- x 0.5) (log x)) x)
108.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
69.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.0s

Counts
4 → 12
Calls
4 calls:
365.0ms
(* (- x 0.5) (log x))
667.0ms
(- (* (- x 0.5) (log x)) x)
774.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
148.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify2.9s

Counts
110 → 110
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
02131655
15011589
214061469
348801419
done50001419

prune452.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite60.0ms

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:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
56.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.0s

Counts
4 → 12
Calls
4 calls:
327.0ms
(cbrt x)
280.0ms
(cbrt x)
278.0ms
(cbrt x)
127.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.3s

Counts
74 → 74
Iterations

Useful iterations: 3 (520.0ms)

IterNodesCost
097893
1214870
2590790
31830761
done5001761

prune470.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
4.9b
(pow x 1/3)
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log
cbrt-prod add-cbrt-cube
pow1
add-log-exp
unpow-prod-down pow-unpow associate-/r* associate-/l*
pow1/3 associate-/l/
cbrt-undiv pow-to-exp pow-pow frac-2neg flip3-+ unpow1/3 div-exp pow-exp clear-num flip-+ div-inv sqr-pow
Counts
4 → 69
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
5.0ms
(pow x 1/3)
97.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series904.0ms

Counts
4 → 12
Calls
4 calls:
264.0ms
(cbrt x)
219.0ms
(cbrt x)
281.0ms
(pow x 1/3)
140.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.3s

Counts
81 → 81
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0124946
1272879
2690810
32147777
done5001773

prune566.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
0.2b
(- (* (log (sqrt x)) (- x 0.5)) x)
0.3b
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite367.0ms

Algorithm
rewrite-expression-head
Rules
20×add-log-exp
18×associate-+l+ *-un-lft-identity
16×add-sqr-sqrt add-cube-cbrt
12×log-prod
10×distribute-rgt-in distribute-lft-in
times-frac
associate--l+
sum-log
add-exp-log sub-neg sqrt-prod add-cbrt-cube
flip3-+ flip-+
pow1 associate-*l/ frac-add
flip3-- diff-log associate-/r* flip-- associate-/l*
+-commutative associate-+l- associate-/l/
cbrt-undiv associate-+r- associate-+r+ frac-2neg div-exp clear-num div-inv distribute-lft-out
Counts
4 → 96
Calls
4 calls:
71.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
16.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
183.0ms
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
91.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series807.0ms

Counts
4 → 12
Calls
4 calls:
225.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
228.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
231.0ms
(+ (* (- x 0.5) (log (sqrt x))) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
123.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.2s

Counts
108 → 108
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02432471
16842364
222792181
done50022135

prune710.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.0b

regimes1.1s

Accuracy

83.4% (0.3b remaining)

Error of 4.5b against oracle of 4.1b and baseline of 6.1b

bsearch95.0ms

Steps
ItersRangePoint
7
115599830686524.98
2154434803409460.2
177333351812856.5

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04489
15789
done5789

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.9s11709×body80valid
1.4s11586×body80nan