Details

Time bar (total: 14.3s)

sample60.0ms

Algorithm
intervals
Results
20.0ms372×body80valid
17.0ms370×body80nan

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28324
319324
442824
586624
6166824
7411624
done500024

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(- (* (- x 0.5) (log x)) x)
0.2b
(* (- x 0.5) (log x))
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite76.0ms

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)) x) 0.91893853320467)
7.0ms
(- (* (- x 0.5) (log x)) x)
12.0ms
(* (- x 0.5) (log x))
25.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
612.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
424.0ms
(- (* (- x 0.5) (log x)) x)
255.0ms
(* (- x 0.5) (log x))
87.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify523.0ms

Counts
110 → 110
Iterations

Useful iterations: done (520.0ms)

IterNodesCost
02131655
15121589
215211477
done50001428

prune407.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.3b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite26.0ms

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)
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series663.0ms

Counts
4 → 12
Calls
4 calls:
192.0ms
(cbrt x)
181.0ms
(cbrt x)
204.0ms
(cbrt x)
85.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.2s

Counts
74 → 74
Iterations

Useful iterations: 3 (253.0ms)

IterNodesCost
097893
1214870
2640790
32755761
done5000761

prune367.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.3b

localize31.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
5.2b
(pow x 1/3)

rewrite27.0ms

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:
0.0ms
(cbrt x)
1.0ms
(cbrt x)
23.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
1.0ms
(pow x 1/3)

series620.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(cbrt x)
181.0ms
(cbrt x)
86.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
175.0ms
(pow x 1/3)

simplify2.4s

Counts
81 → 81
Iterations

Useful iterations: 3 (461.0ms)

IterNodesCost
0124946
1277879
2959810
34721789
done5000789

prune420.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (* (- x 0.5) (log (sqrt x))) (- (* (- x 0.5) (log (sqrt x))) x))
0.2b
(* (- x 0.5) (log (sqrt x)))
0.2b
(* (- x 0.5) (log (sqrt x)))
5.0b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
48×log-prod
40×add-sqr-sqrt
36×*-un-lft-identity
32×add-cube-cbrt
24×distribute-rgt-in distribute-lft-in sqrt-prod
14×associate-+r+
12×pow1 associate-+l+ associate-*r* associate--l+
10×add-exp-log associate-*l* add-cbrt-cube
times-frac add-log-exp
associate-*l/
flip3-- log-pow flip--
frac-add
associate-/r* associate-/l*
sqrt-pow1 flip3-+ pow1/2 pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ associate-/l/ distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv +-commutative associate-+r- sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
4 → 146
Calls
4 calls:
24.0ms
(+ (* (- x 0.5) (log (sqrt x))) (- (* (- x 0.5) (log (sqrt x))) x))
17.0ms
(* (- x 0.5) (log (sqrt x)))
13.0ms
(* (- x 0.5) (log (sqrt x)))
22.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series462.0ms

Counts
4 → 12
Calls
4 calls:
172.0ms
(+ (* (- x 0.5) (log (sqrt x))) (- (* (- x 0.5) (log (sqrt x))) x))
101.0ms
(* (- x 0.5) (log (sqrt x)))
101.0ms
(* (- x 0.5) (log (sqrt x)))
88.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.0s

Counts
158 → 158
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02512907
16592601
223642375
done50002373

prune535.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.3b

regimes329.0ms

Accuracy

89.7% (0.2b remaining)

Error of 4.3b against oracle of 4.1b and baseline of 6.0b

bsearch66.0ms

Steps
ItersRangePoint
6
12169712469967.395
91983697529749.86
38583220048788.38

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03965
15465
done5465

end0.0ms

sample1.7s

Algorithm
intervals
Results
629.0ms11786×body80valid
530.0ms11664×body80nan