Details

Time bar (total: 19.3s)

sample162.0ms

Algorithm
intervals
Results
67.0ms380×body80valid
41.0ms387×body80nan

simplify2.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28424
324424
486024
5409024
done500124

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.7b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 0.5) (log x))
0.2b
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
0.2b
(- (* (- x 0.5) (log x)) x)
4.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite169.0ms

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:
25.0ms
(* (- x 0.5) (log x))
64.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
19.0ms
(- (* (- x 0.5) (log x)) x)
57.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.1s

Counts
4 → 12
Calls
4 calls:
484.0ms
(* (- x 0.5) (log x))
787.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
658.0ms
(- (* (- x 0.5) (log x)) x)
134.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.2s

Counts
110 → 110
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02131655
15211589
219051479
done50011476

prune789.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.5b

localize83.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)
4.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite68.0ms

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)
63.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.0s

Counts
4 → 12
Calls
4 calls:
272.0ms
(cbrt x)
304.0ms
(cbrt x)
307.0ms
(cbrt x)
141.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify448.0ms

Counts
74 → 74
Iterations

Useful iterations: done (434.0ms)

IterNodesCost
097893
1224870
2902792
done5001761

prune790.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

localize58.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
4.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
5.1b
(pow x 1/3)

rewrite108.0ms

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:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
100.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
3.0ms
(pow x 1/3)

series1.0s

Counts
4 → 12
Calls
4 calls:
330.0ms
(cbrt x)
308.0ms
(cbrt x)
137.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
258.0ms
(pow x 1/3)

simplify605.0ms

Counts
81 → 81
Iterations

Useful iterations: done (602.0ms)

IterNodesCost
0124946
1314881
21225812
done5000789

prune527.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.8b

localize58.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
4.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
5.1b
(pow (pow x (sqrt 1/3)) (sqrt 1/3))
5.9b
(pow x (sqrt 1/3))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×unpow-prod-down
12×pow-unpow
add-exp-log times-frac
sqrt-prod add-cbrt-cube
pow1 pow-exp
add-log-exp
cbrt-prod pow-to-exp associate-/r* associate-/l* sqr-pow
pow-pow associate-/l/
cbrt-undiv frac-2neg flip3-+ pow1/3 div-exp clear-num flip-+ div-inv
Counts
4 → 86
Calls
4 calls:
1.0ms
(cbrt x)
77.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
6.0ms
(pow (pow x (sqrt 1/3)) (sqrt 1/3))
3.0ms
(pow x (sqrt 1/3))

series1.3s

Counts
4 → 12
Calls
4 calls:
291.0ms
(cbrt x)
127.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
534.0ms
(pow (pow x (sqrt 1/3)) (sqrt 1/3))
305.0ms
(pow x (sqrt 1/3))

simplify1.0s

Counts
98 → 98
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01701267
14721191
221331086
done50011016

prune591.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.8b

regimes380.0ms

Accuracy

85.2% (0.3b remaining)

Error of 4.0b against oracle of 3.7b and baseline of 6.0b

bsearch67.0ms

Steps
ItersRangePoint
5
2.0417287249122424e+32
4.96478373285495e+32
2.912164811862225e+32

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
048101
164101
done64101

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.6s11772×body80valid
1.3s11664×body80nan