Details

Time bar (total: 18.6s)

sample99.0ms

Algorithm
intervals
Results
32.0ms46×body1280valid
20.0ms49×body640valid
11.0ms149×body80valid
8.0ms27×body320valid
5.0ms87×body80nan
2.0ms12×body160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
0811
11511
2249
3519
41489
54859
619799
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.2b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ x y)) x) x)
0.0b
(/ x (+ x y))
7.8b
(pow (/ x (+ x y)) x)

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
118×*-un-lft-identity
90×unpow-prod-down
80×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
19×distribute-lft-out
16×add-exp-log
12×associate-/r/
div-exp associate-/r* add-cbrt-cube div-inv
flip3-+ flip-+
sqr-pow
pow1 pow-exp
pow-unpow add-log-exp
cbrt-undiv pow-to-exp frac-2neg clear-num
pow-pow
Counts
3 → 172
Calls
3 calls:
71.0ms
(/ (pow (/ x (+ x y)) x) x)
16.0ms
(/ x (+ x y))
14.0ms
(pow (/ x (+ x y)) x)

series583.0ms

Counts
3 → 9
Calls
3 calls:
167.0ms
(/ (pow (/ x (+ x y)) x) x)
65.0ms
(/ x (+ x y))
350.0ms
(pow (/ x (+ x y)) x)

simplify1.6s

Counts
181 → 181
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02762881
16482711
228172657
done50002654

prune591.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize34.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.2b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
1.9b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
51×cbrt-prod
48×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
14×cbrt-div
10×associate-/r/
flip3-+ pow-exp flip-+
pow1 pow-unpow distribute-lft-out
div-exp
frac-times prod-exp add-cbrt-cube add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 116
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
42.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
40.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
327.0ms
(cbrt x)
281.0ms
(cbrt x)
376.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
379.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify1.7s

Counts
128 → 128
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02952319
19642162
230782028
done50001978

prune593.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.2b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
3.4b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod
85×*-un-lft-identity
84×times-frac
61×add-sqr-sqrt add-cube-cbrt
48×unpow-prod-down log-prod
12×distribute-lft-out
10×add-exp-log
pow1
cbrt-div associate-/r/ add-cbrt-cube add-log-exp
pow-unpow
flip3-+ pow1/3 div-exp rem-log-exp pow-exp flip-+ div-inv
pow-to-exp log-div pow-pow log-pow sqr-pow
Counts
4 → 144
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
34.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
9.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series919.0ms

Counts
4 → 12
Calls
4 calls:
284.0ms
(cbrt x)
230.0ms
(cbrt x)
316.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
89.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify1.5s

Counts
156 → 156
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02742485
17952317
224592241
done50002235

prune886.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
associate-/r* add-cbrt-cube associate-/l*
add-exp-log associate-/l/
pow1 cbrt-undiv neg-sub0 exp-neg frac-2neg exp-diff div-exp clear-num div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
25.0ms
(/ (exp (- y)) x)

series38.0ms

Counts
1 → 3
Calls
1 calls:
38.0ms
(/ (exp (- y)) x)

simplify3.2s

Counts
32 → 32
Iterations

Useful iterations: 3 (805.0ms)

IterNodesCost
064299
1125289
2488271
33657267
done5001267

prune73.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes83.0ms

Accuracy

97% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 5.3b

bsearch235.0ms

Steps
ItersRangePoint
9
0.004463962237743991
1051.5641664341613
2.134762495789531
8
-3.667948724445863e+96
-2.39912100600768e+92
-2.575795415940148e+92

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02343
12939
done2939

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.2s1516×body1280valid
1.1s1445×body640valid
425.0ms4875×body80valid
255.0ms2956×body80nan
216.0ms809×body320valid
72.0ms436×body160valid