Details

Time bar (total: 20.8s)

sample102.0ms

Algorithm
intervals
Results
32.0ms47×body1280valid
17.0ms43×body640valid
13.0ms176×body80valid
7.0ms29×body320valid
7.0ms118×body80nan
3.0ms15×body160valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3499
41059
52419
65789
718549
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)))

rewrite184.0ms

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*
associate-*r* 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 → 288
Calls
4 calls:
100.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
11.0ms
(/ x (+ x y))
37.0ms
(* x (log (/ x (+ x y))))
10.0ms
(log (/ x (+ x y)))

series452.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
79.0ms
(/ x (+ x y))
112.0ms
(* x (log (/ x (+ x y))))
72.0ms
(log (/ x (+ x y)))

simplify3.2s

Counts
300 → 300
Iterations

Useful iterations: done (3.2s)

IterNodesCost
04705564
18214720
216424540
347904449
done50014421

prune901.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

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))))

rewrite37.0ms

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
cbrt-div rem-log-exp associate-/r/ add-cbrt-cube add-log-exp
log-div flip3-+ pow1/3 div-exp log-pow flip-+ div-inv
Counts
4 → 140
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
17.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
10.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series702.0ms

Counts
4 → 12
Calls
4 calls:
265.0ms
(cbrt x)
268.0ms
(cbrt x)
86.0ms
(log (/ (cbrt x) (cbrt (+ x y))))
83.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify1.7s

Counts
152 → 152
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01732258
13142100
25632014
310741940
423771936
done50001924

prune1.1s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ x (+ x y))
0.0b
(/ x (+ x y))
5.2b
(pow (/ x (+ x y)) x)
5.2b
(pow (/ x (+ x y)) x)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
68×*-un-lft-identity
48×times-frac
40×add-sqr-sqrt add-cube-cbrt
36×unpow-prod-down
14×add-exp-log distribute-lft-out
associate-/r* associate-/r/ add-cbrt-cube
pow1 pow-unpow associate-/l*
flip3-+ div-exp pow-exp flip-+ div-inv add-log-exp
cbrt-undiv pow-to-exp pow-pow frac-2neg clear-num sqr-pow
Counts
4 → 132
Calls
4 calls:
18.0ms
(/ x (+ x y))
11.0ms
(/ x (+ x y))
14.0ms
(pow (/ x (+ x y)) x)
18.0ms
(pow (/ x (+ x y)) x)

series733.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(/ x (+ x y))
81.0ms
(/ x (+ x y))
272.0ms
(pow (/ x (+ x y)) x)
306.0ms
(pow (/ x (+ x y)) x)

simplify2.0s

Counts
144 → 144
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01291672
13051570
27381512
319921508
done50011498

prune661.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize5.0ms

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 frac-2neg exp-diff div-exp clear-num div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
12.0ms
(/ (exp (- y)) x)

series34.0ms

Counts
1 → 3
Calls
1 calls:
34.0ms
(/ (exp (- y)) x)

simplify2.9s

Counts
32 → 32
Iterations

Useful iterations: 3 (219.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune121.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes63.0ms

Accuracy

94.3% (0.3b remaining)

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

bsearch93.0ms

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

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02344
13339
done3339

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.1s1464×body640valid
1.0s1484×body1280valid
496.0ms4912×body80valid
369.0ms798×body320valid
212.0ms3128×body80nan
81.0ms507×body160valid