Details

Time bar (total: 18.2s)

sample128.0ms

Algorithm
intervals
Results
40.0ms45×body1280valid
26.0ms50×body640valid
15.0ms158×body80valid
11.0ms30×body320valid
7.0ms104×body80nan
3.0ms13×body160valid

simplify1.1s

Counts
1 → 1
Iterations
IterNodes
done5001
61961
5488
4149
352
224
115
08

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.4b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (pow (/ x (+ y x)) x) x)
6.0b
(pow (/ x (+ y x)) x)

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
126×times-frac
100×*-un-lft-identity
90×unpow-prod-down
70×add-sqr-sqrt add-cube-cbrt
22×associate-/l*
15×distribute-lft-out
13×add-exp-log
10×associate-/r/
div-exp div-inv
flip3-+ flip-+ sqr-pow
add-cbrt-cube pow-exp
pow1 pow-unpow associate-/r*
pow-to-exp add-log-exp
cbrt-undiv clear-num pow-pow frac-2neg
Counts
2 → 139
Calls
2 calls:
40.0ms
(/ (pow (/ x (+ y x)) x) x)
25.0ms
(pow (/ x (+ y x)) x)

series981.0ms

Counts
2 → 6
Calls
2 calls:
608.0ms
(/ (pow (/ x (+ y x)) x) x)
373.0ms
(pow (/ x (+ y x)) x)

simplify1.2s

Counts
145 → 145
Iterations
IterNodes
done5001
22477
1605
0263

prune697.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize49.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.9b
(pow (/ (cbrt x) (cbrt (+ y x))) x)
1.6b
(pow (* (/ (cbrt x) (cbrt (+ y x))) (/ (cbrt x) (cbrt (+ y x)))) x)

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
51×cbrt-prod
49×unpow-prod-down
47×*-un-lft-identity
42×times-frac
35×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
13×pow1
pow-pow pow-exp
pow-unpow distribute-lft-out
div-exp
add-cbrt-cube prod-exp add-log-exp
pow-to-exp cbrt-div pow1/3 associate-/r/ sqr-pow
pow2 flip3-+ pow-plus pow-prod-down pow-sqr pow-prod-up flip-+ div-inv
Counts
4 → 109
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
35.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
41.0ms
(pow (* (/ (cbrt x) (cbrt (+ y x))) (/ (cbrt x) (cbrt (+ y x)))) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
270.0ms
(cbrt x)
302.0ms
(cbrt x)
409.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
398.0ms
(pow (* (/ (cbrt x) (cbrt (+ y x))) (/ (cbrt x) (cbrt (+ y x)))) x)

simplify1.3s

Counts
121 → 121
Iterations
IterNodes
done5000
22573
1795
0255

prune599.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.9b
(pow (/ (cbrt x) (cbrt (+ y x))) x)
0.9b
(pow (/ (cbrt x) (cbrt (+ y x))) x)
0.9b
(pow (/ (cbrt x) (cbrt (+ y x))) x)

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
144×unpow-prod-down
138×cbrt-prod
126×times-frac
125×*-un-lft-identity
89×add-sqr-sqrt add-cube-cbrt
18×distribute-lft-out
13×add-exp-log
pow-unpow
pow1
cbrt-div pow-exp associate-/r/
add-cbrt-cube add-log-exp
pow-to-exp pow-pow flip3-+ div-exp flip-+ div-inv sqr-pow
pow1/3
Counts
4 → 200
Calls
4 calls:
1.0ms
(cbrt x)
15.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
21.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
23.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
271.0ms
(cbrt x)
358.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
437.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)
353.0ms
(pow (/ (cbrt x) (cbrt (+ y x))) x)

simplify972.0ms

Counts
212 → 212
Iterations
IterNodes
done5000
22091
1655
0208

prune1.2s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (exp (- y)) x)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt
associate-/r* add-cbrt-cube associate-/l*
add-exp-log associate-/l/
neg-sub0 exp-neg pow1 cbrt-undiv clear-num frac-2neg exp-diff div-exp div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
13.0ms
(/ (exp (- y)) x)

series25.0ms

Counts
1 → 3
Calls
1 calls:
24.0ms
(/ (exp (- y)) x)

simplify2.6s

Counts
32 → 32
Iterations
IterNodes
done5002
33577
2483
1125
064

prune147.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

regimes174.0ms

Accuracy

98.1% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 5.9b

bsearch160.0ms

Steps
ItersRangePoint
9
7.46228068957284e-06
5.1212688054922095
3.9190130617913064
9
-5.514259056545185e+66
-1.3541699186634741e+60
-1.8247882343221416e+60

simplify5.0ms

Iterations
IterNodes
done29
129
021

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.5s1516×body1280valid
700.0ms1507×body640valid
402.0ms4807×body80valid
275.0ms845×body320valid
215.0ms3070×body80nan
121.0ms406×body160valid