Details

Time bar (total: 19.4s)

sample110.0ms

Algorithm
intervals
Results
43.0ms63×body1280valid
20.0ms44×body640valid
11.0ms148×body80valid
7.0ms24×body320valid
5.0ms91×body80nan
2.0ms12×body160valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41509
55019
620709
done50009

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (exp (* x (log (/ x (+ x y))))) x)
0.0b
(/ x (+ x y))
0.1b
(* x (log (/ x (+ x y))))
7.7b
(log (/ x (+ x y)))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
261×times-frac
221×*-un-lft-identity
198×log-prod
149×add-sqr-sqrt
147×add-cube-cbrt
144×exp-sum
90×distribute-rgt-in distribute-lft-in
42×associate-/l*
37×distribute-lft-out
24×associate-/r/
13×div-inv
12×add-exp-log flip3-+ flip-+
10×add-cbrt-cube
pow1
associate-/r*
expm1-log1p-u associate-*r* log1p-expm1-u add-log-exp
div-exp associate-*l*
cbrt-undiv frac-2neg rem-log-exp clear-num log-pow
log-div pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 296
Calls
4 calls:
73.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
11.0ms
(/ x (+ x y))
25.0ms
(* x (log (/ x (+ x y))))
9.0ms
(log (/ x (+ x y)))

series442.0ms

Counts
4 → 12
Calls
4 calls:
198.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
46.0ms
(/ x (+ x y))
123.0ms
(* x (log (/ x (+ x y))))
75.0ms
(log (/ x (+ x y)))

simplify2.4s

Counts
308 → 308
Iterations

Useful iterations: done (2.4s)

IterNodesCost
04785632
19075087
232474597
done50014594

prune1.3s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
3.8b
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
17×add-exp-log
14×*-un-lft-identity
13×log-prod
12×cbrt-prod
flip3-+ flip-+
add-sqr-sqrt add-cube-cbrt associate-/r/
pow1 rem-log-exp
expm1-log1p-u frac-times div-exp prod-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow1/3 distribute-lft-out
associate-*r/ associate-*l/
log-div times-frac log-pow div-inv
Counts
4 → 77
Calls
4 calls:
7.0ms
(cbrt (+ x y))
7.0ms
(cbrt (+ x y))
8.0ms
(cbrt (+ x y))
45.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

series662.0ms

Counts
4 → 12
Calls
4 calls:
206.0ms
(cbrt (+ x y))
176.0ms
(cbrt (+ x y))
163.0ms
(cbrt (+ x y))
116.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

simplify1.5s

Counts
89 → 89
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01261183
12811126
2738982
32308904
done5001892

prune650.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize64.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
2.5b
(- (log (* (cbrt x) (cbrt x))) (log (* (cbrt (+ x y)) (cbrt (+ x y)))))

rewrite186.0ms

Algorithm
rewrite-expression-head
Rules
255×log-pow
238×pow1
165×pow1/3
144×prod-diff
58×pow-prod-down
56×pow-prod-up
54×pow-sqr
44×*-un-lft-identity
34×add-sqr-sqrt
32×add-cube-cbrt
29×pow-plus
27×pow2
18×cbrt-div distribute-lft-out--
12×cbrt-prod fma-neg
flip3-+ flip-+
log-div associate--r-
add-exp-log expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp
distribute-lft-out
log-prod associate-*r/ associate-*l/
sub-neg flip3-- diff-log associate--l+ flip-- associate--r+ difference-of-squares
Counts
4 → 247
Calls
4 calls:
4.0ms
(cbrt (+ x y))
4.0ms
(cbrt (+ x y))
6.0ms
(cbrt (+ x y))
156.0ms
(- (log (* (cbrt x) (cbrt x))) (log (* (cbrt (+ x y)) (cbrt (+ x y)))))

series1.1s

Counts
4 → 12
Calls
4 calls:
191.0ms
(cbrt (+ x y))
192.0ms
(cbrt (+ x y))
509.0ms
(cbrt (+ x y))
223.0ms
(- (log (* (cbrt x) (cbrt x))) (log (* (cbrt (+ x y)) (cbrt (+ x y)))))

simplify1.3s

Counts
259 → 259
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02528621
15676596
217313904
done50002881

prune971.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite13.0ms

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 expm1-log1p-u frac-2neg exp-diff div-exp clear-num log1p-expm1-u div-inv add-log-exp
Counts
1 → 31
Calls
1 calls:
12.0ms
(/ (exp (- y)) x)

series22.0ms

Counts
1 → 3
Calls
1 calls:
22.0ms
(/ (exp (- y)) x)

simplify2.7s

Counts
34 → 34
Iterations

Useful iterations: 3 (743.0ms)

IterNodesCost
066311
1128300
2473282
33443278
done5001278

prune161.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes137.0ms

Accuracy

93.4% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 5.4b

bsearch172.0ms

Steps
ItersRangePoint
7
1.899433490407338e-14
3.541339979661634e-13
3.5038509428931215e-13
8
-9.93160793826635e+68
-5.0548110587350964e+64
-5.1279911066425243e+64

simplify19.0ms

Iterations

Useful iterations: 1 (18.0ms)

IterNodesCost
03052
13451
done3451

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.1s1512×body1280valid
755.0ms850×body320valid
677.0ms1414×body640valid
381.0ms4962×body80valid
321.0ms3069×body80nan
75.0ms430×body160valid