Details

Time bar (total: 21.1s)

sample103.0ms

Algorithm
intervals
Results
32.0ms47×body1280valid
18.0ms43×body640valid
13.0ms176×body80valid
8.0ms29×body320valid
7.0ms118×body80nan
2.0ms15×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
0811
11511
2249
3499
41079
52459
65809
718509
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.5b

localize10.0ms

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))))
8.7b
(log (/ x (+ x y)))

rewrite136.0ms

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:
71.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
14.0ms
(/ x (+ x y))
25.0ms
(* x (log (/ x (+ x y))))
7.0ms
(log (/ x (+ x y)))

series423.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
42.0ms
(/ x (+ x y))
128.0ms
(* x (log (/ x (+ x y))))
74.0ms
(log (/ x (+ x y)))

simplify3.4s

Counts
308 → 308
Iterations

Useful iterations: 3 (2.1s)

IterNodesCost
04785632
18354771
216864591
349614500
done50004500

prune853.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
3.9b
(log (/ (cbrt x) (cbrt (+ x y))))
3.9b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod log-prod
84×*-un-lft-identity times-frac
60×add-sqr-sqrt add-cube-cbrt
12×distribute-lft-out
10×add-exp-log
pow1
expm1-log1p-u cbrt-div rem-log-exp associate-/r/ add-cbrt-cube log1p-expm1-u add-log-exp
log-div flip3-+ pow1/3 div-exp log-pow flip-+ div-inv
Counts
4 → 148
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
17.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
17.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series737.0ms

Counts
4 → 12
Calls
4 calls:
252.0ms
(cbrt x)
276.0ms
(cbrt x)
104.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
104.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify2.2s

Counts
160 → 160
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01772306
13212146
25782060
311151986
424821982
done50001976

prune820.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(pow (sqrt (/ x (+ x y))) x)
0.3b
(pow (sqrt (/ x (+ x y))) x)
4.8b
(sqrt (/ x (+ x y)))
4.8b
(sqrt (/ x (+ x y)))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
72×sqrt-prod
64×*-un-lft-identity
50×times-frac
46×add-sqr-sqrt
42×unpow-prod-down
40×add-cube-cbrt
12×distribute-lft-out
10×pow1
associate-/r/
add-exp-log pow-unpow pow-pow
expm1-log1p-u rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 add-cbrt-cube flip-+ log1p-expm1-u div-inv add-log-exp
pow-to-exp sqrt-div pow-exp sqrt-pow2 sqr-pow
Counts
4 → 144
Calls
4 calls:
28.0ms
(pow (sqrt (/ x (+ x y))) x)
19.0ms
(pow (sqrt (/ x (+ x y))) x)
11.0ms
(sqrt (/ x (+ x y)))
16.0ms
(sqrt (/ x (+ x y)))

series968.0ms

Counts
4 → 12
Calls
4 calls:
427.0ms
(pow (sqrt (/ x (+ x y))) x)
348.0ms
(pow (sqrt (/ x (+ x y))) x)
90.0ms
(sqrt (/ x (+ x y)))
103.0ms
(sqrt (/ x (+ x y)))

simplify2.2s

Counts
156 → 156
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01672096
13631918
28661828
330491808
done50001804

prune550.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 1 expressions with local error:

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

rewrite14.0ms

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:
13.0ms
(/ (exp (- y)) x)

series29.0ms

Counts
1 → 3
Calls
1 calls:
29.0ms
(/ (exp (- y)) x)

simplify2.7s

Counts
34 → 34
Iterations

Useful iterations: 3 (207.0ms)

IterNodesCost
066311
1120300
2293280
3709278
42815278
done5002278

prune94.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes90.0ms

Accuracy

94.3% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 5.8b

bsearch116.0ms

Steps
ItersRangePoint
6
1.6549904719812824e-10
1.1362596833603348e-09
1.1158984721914147e-09
8
-1.1610098128388504e+53
-3.2818405371306287e+50
-4.12015628866316e+50

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02446
13541
done3541

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.4s1484×body1280valid
731.0ms1464×body640valid
328.0ms4912×body80valid
187.0ms798×body320valid
153.0ms3128×body80nan
109.0ms507×body160valid