Details

Time bar (total: 8.4s)

sample65.0ms

Algorithm
intervals
Results
19.0ms369×body80valid
18.0ms322×body80nan

simplify56.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03712
18412
224512
358112
4128012
5246212
6500112
done500112

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.7b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite150.0ms

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:
18.0ms
(- (* (- x 0.5) (log x)) x)
57.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
22.0ms
(* (- x 0.5) (log x))
50.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series1.2s

Counts
4 → 12
Calls
4 calls:
433.0ms
(- (* (- x 0.5) (log x)) x)
422.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
250.0ms
(* (- x 0.5) (log x))
89.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify50.0ms

Counts
110 → 110
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0501839
11642776
25001763
done5001763

prune406.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.4b

localize25.0ms

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)

rewrite56.0ms

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)
52.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series647.0ms

Counts
4 → 12
Calls
4 calls:
185.0ms
(cbrt x)
184.0ms
(cbrt x)
187.0ms
(cbrt x)
91.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify102.0ms

Counts
74 → 74
Iterations

Useful iterations: 3 (96.0ms)

IterNodesCost
0212462
1697420
23321413
35001410
done5001410

prune392.0ms

Pruning

13 alts after pruning (13 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)
5.1b
(pow (/ 1 x) -1/3)
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

rewrite62.0ms

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)
1.0ms
(cbrt x)
7.0ms
(pow (/ 1 x) -1/3)
52.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series641.0ms

Counts
4 → 12
Calls
4 calls:
182.0ms
(cbrt x)
183.0ms
(cbrt x)
185.0ms
(pow (/ 1 x) -1/3)
92.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify46.0ms

Counts
95 → 95
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0365576
11288519
25001507
done5001507

prune487.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.3b

localize41.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (cbrt -1/3) (cbrt -1/3))
4.0b
(pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3)))
5.2b
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
5.4b
(pow (pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3))) (cbrt -1/3))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
43×unpow-prod-down
37×add-cube-cbrt *-un-lft-identity
27×times-frac
19×add-exp-log cbrt-prod
14×pow-exp
13×pow1
pow-unpow
pow1/3 swap-sqr associate-*r* associate-*l* add-cbrt-cube
div-exp
pow-pow add-log-exp unswap-sqr
pow-to-exp associate-/r* div-inv associate-/l* sqr-pow
rec-exp 1-exp pow-prod-down pow-sqr pow-prod-up associate-/l/
cbrt-undiv pow2 pow-flip frac-2neg flip3-+ pow-plus prod-exp clear-num *-commutative cbrt-unprod flip-+ inv-pow
Counts
4 → 138
Calls
4 calls:
12.0ms
(* (cbrt -1/3) (cbrt -1/3))
7.0ms
(pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3)))
49.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
16.0ms
(pow (pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3))) (cbrt -1/3))

series836.0ms

Counts
4 → 10
Calls
4 calls:
0.0ms
(* (cbrt -1/3) (cbrt -1/3))
247.0ms
(pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3)))
119.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)
470.0ms
(pow (pow (/ 1 x) (* (cbrt -1/3) (cbrt -1/3))) (cbrt -1/3))

simplify63.0ms

Counts
148 → 148
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
05791247
122621140
250021011
done50021011

prune646.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.3b

regimes362.0ms

Accuracy

73.2% (0.3b remaining)

Error of 5.0b against oracle of 4.7b and baseline of 5.9b

bsearch75.0ms

Steps
ItersRangePoint
6
3.451047137081975e+135
2.1548807829336826e+136
7.263854719572083e+135

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06848
16848
done6848

end0.0ms

sample1.8s

Algorithm
intervals
Results
609.0ms11480×body80valid
517.0ms11432×body80nan