Details

Time bar (total: 18.9s)

sample136.0ms

Algorithm
intervals
Results
42.0ms367×body80valid
39.0ms377×body80nan

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28424
324424
486024
5409024
done500124

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.0b

localize23.0ms

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))
6.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite231.0ms

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:
72.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
32.0ms
(- (* (- x 0.5) (log x)) x)
30.0ms
(* (- x 0.5) (log x))
90.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.9s

Counts
4 → 12
Calls
4 calls:
607.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
700.0ms
(- (* (- x 0.5) (log x)) x)
468.0ms
(* (- x 0.5) (log x))
125.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.0s

Counts
110 → 110
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02131655
15211589
219101479
done50011476

prune641.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.5b

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- x 0.5) (log (sqrt x)))
0.2b
(* (- x 0.5) (log (sqrt x)))
0.2b
(- (* (- x 0.5) (log (sqrt x))) x)
6.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite164.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt log-prod
32×*-un-lft-identity
28×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in sqrt-prod
12×pow1 associate-*r* associate--l+
10×add-exp-log associate-*l* add-cbrt-cube
times-frac
log-pow add-log-exp
associate-*l/
flip3-- associate-/r* flip-- associate-/l*
sqrt-pow1 pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv
Counts
4 → 127
Calls
4 calls:
27.0ms
(* (- x 0.5) (log (sqrt x)))
30.0ms
(* (- x 0.5) (log (sqrt x)))
20.0ms
(- (* (- x 0.5) (log (sqrt x))) x)
82.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series633.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (- x 0.5) (log (sqrt x)))
171.0ms
(* (- x 0.5) (log (sqrt x)))
223.0ms
(- (* (- x 0.5) (log (sqrt x))) x)
133.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.1s

Counts
139 → 139
Iterations

Useful iterations: 2 (330.0ms)

IterNodesCost
01982066
14541978
220191818
done50021818

prune836.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.5b

localize69.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
6.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite75.0ms

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)
71.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series924.0ms

Counts
4 → 12
Calls
4 calls:
330.0ms
(cbrt x)
247.0ms
(cbrt x)
243.0ms
(cbrt x)
103.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify548.0ms

Counts
74 → 74
Iterations

Useful iterations: done (545.0ms)

IterNodesCost
097893
1224870
2902792
done5001761

prune737.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.5b

localize65.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
5.1b
(pow (/ 1 x) -1/3)
6.3b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite85.0ms

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:
1.0ms
(cbrt x)
2.0ms
(cbrt x)
9.0ms
(pow (/ 1 x) -1/3)
68.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.1s

Counts
4 → 12
Calls
4 calls:
214.0ms
(cbrt x)
521.0ms
(cbrt x)
232.0ms
(pow (/ 1 x) -1/3)
123.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify553.0ms

Counts
95 → 95
Iterations

Useful iterations: done (548.0ms)

IterNodesCost
01681157
14521075
21585987
done5000967

prune793.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.5b

regimes499.0ms

Accuracy

90.4% (0.2b remaining)

Error of 4.4b against oracle of 4.2b and baseline of 6.6b

bsearch173.0ms

Steps
ItersRangePoint
8
79133968.08064173
50002048225.12395
85213128.80680434

simplify9.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
04885
16485
done6485

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.6s11708×body80nan
1.3s11568×body80valid