Details

Time bar (total: 26.5s)

sample101.0ms

Algorithm
intervals
Results
32.0ms388×body80nan
29.0ms383×body80valid

simplify5.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02024
13724
28424
323724
451024
593724
6185824
7375924
done500024

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.8b

localize53.0ms

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)

rewrite290.0ms

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:
30.0ms
(* (- x 0.5) (log x))
34.0ms
(- (* (- x 0.5) (log x)) x)
113.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
110.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series2.0s

Counts
4 → 12
Calls
4 calls:
426.0ms
(* (- x 0.5) (log x))
724.0ms
(- (* (- x 0.5) (log x)) x)
780.0ms
(+ (- (* (- x 0.5) (log x)) x) 0.91893853320467)
110.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify3.2s

Counts
110 → 110
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
02131655
15011589
214061469
348801419
done50001419

prune630.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.0b

localize43.0ms

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)

rewrite101.0ms

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:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)
92.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series915.0ms

Counts
4 → 12
Calls
4 calls:
259.0ms
(cbrt x)
284.0ms
(cbrt x)
249.0ms
(cbrt x)
124.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.4s

Counts
74 → 74
Iterations

Useful iterations: 3 (802.0ms)

IterNodesCost
097893
1214870
2590790
31830761
done5001761

prune442.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.0b

localize53.0ms

Local error

Found 4 expressions with local error:

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

rewrite79.0ms

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)
11.0ms
(pow (/ 1 x) -1/3)
64.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series991.0ms

Counts
4 → 12
Calls
4 calls:
290.0ms
(cbrt x)
308.0ms
(cbrt x)
274.0ms
(pow (/ 1 x) -1/3)
119.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.6s

Counts
95 → 95
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01681157
13631075
2841985
32364952
done5002950

prune686.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.0b

localize33.0ms

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

rewrite355.0ms

Algorithm
rewrite-expression-head
Rules
20×add-log-exp
14×*-un-lft-identity
12×add-sqr-sqrt add-cube-cbrt
10×associate-+l+
times-frac
sub-neg associate--l+
sum-log
add-exp-log distribute-rgt-in distribute-lft-in add-cbrt-cube
flip3-+ flip-+
pow1 associate-*r/ 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 → 88
Calls
4 calls:
74.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
15.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
190.0ms
(+ (* (log (sqrt x)) (- x 0.5)) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
69.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

series890.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467)
257.0ms
(- (* (log (sqrt x)) (- x 0.5)) x)
268.0ms
(+ (* (log (sqrt x)) (- x 0.5)) (+ (- (* (log (sqrt x)) (- x 0.5)) x) 0.91893853320467))
121.0ms
(/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x)

simplify1.3s

Counts
100 → 100
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02222307
16432108
222002001
done50001963

prune620.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.0b

regimes859.0ms

Accuracy

86.8% (0.3b remaining)

Error of 4.4b against oracle of 4.1b and baseline of 6.2b

bsearch2.0ms

simplify13.0ms

Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
045133
16396
done6396

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.8s11586×body80nan
1.7s11709×body80valid