Details

Time bar (total: 17.7s)

sample117.0ms

Algorithm
intervals
Results
38.0ms47×body1280valid
24.0ms55×body640valid
13.0ms148×body80valid
9.0ms29×body320valid
7.0ms103×body80nan
3.0ms16×body160valid

simplify1.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41489
54859
619799
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (exp (* x (log (/ x (+ x y))))) x)
0.0b
(exp (* x (log (/ x (+ x y)))))
0.1b
(* x (log (/ x (+ x y))))
9.2b
(log (/ x (+ x y)))

rewrite164.0ms

Algorithm
rewrite-expression-head
Rules
273×times-frac
234×log-prod
232×*-un-lft-identity
180×exp-sum
156×add-sqr-sqrt
154×add-cube-cbrt
108×distribute-rgt-in distribute-lft-in
39×distribute-lft-out associate-/l*
26×associate-/r/
14×div-inv
13×flip3-+ flip-+
10×add-exp-log
pow1 add-cbrt-cube
add-log-exp
associate-*r*
associate-*l* associate-/r*
div-exp rem-log-exp log-pow
cbrt-undiv log-div exp-prod exp-to-pow frac-2neg pow-prod-down prod-exp clear-num *-commutative cbrt-unprod rem-exp-log unswap-sqr
Counts
4 → 301
Calls
4 calls:
80.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
30.0ms
(exp (* x (log (/ x (+ x y)))))
25.0ms
(* x (log (/ x (+ x y))))
6.0ms
(log (/ x (+ x y)))

series621.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
283.0ms
(exp (* x (log (/ x (+ x y)))))
103.0ms
(* x (log (/ x (+ x y))))
68.0ms
(log (/ x (+ x y)))

simplify1.6s

Counts
313 → 313
Iterations

Useful iterations: 2 (797.0ms)

IterNodesCost
04726157
18895532
231634948
done50004948

prune785.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (pow (exp x) (log (/ x (+ x y)))) x)
0.0b
(/ x (+ x y))
0.3b
(pow (exp x) (log (/ x (+ x y))))
9.2b
(log (/ x (+ x y)))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
159×times-frac
142×*-un-lft-identity
108×log-prod
98×add-sqr-sqrt add-cube-cbrt
90×unpow-prod-up
28×associate-/l*
22×distribute-lft-out
15×unpow-prod-down
14×associate-/r/
13×add-exp-log
add-cbrt-cube div-inv
pow1 flip3-+ associate-/r* flip-+
div-exp sqr-pow
pow-unpow pow-pow add-log-exp
log-div exp-prod
cbrt-undiv pow-to-exp frac-2neg rem-log-exp pow-exp clear-num log-pow pow-sub
associate-/l/
Counts
4 → 220
Calls
4 calls:
63.0ms
(/ (pow (exp x) (log (/ x (+ x y)))) x)
19.0ms
(/ x (+ x y))
18.0ms
(pow (exp x) (log (/ x (+ x y))))
11.0ms
(log (/ x (+ x y)))

series492.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(/ (pow (exp x) (log (/ x (+ x y)))) x)
79.0ms
(/ x (+ x y))
172.0ms
(pow (exp x) (log (/ x (+ x y))))
92.0ms
(log (/ x (+ x y)))

simplify2.0s

Counts
232 → 232
Iterations

Useful iterations: 2 (705.0ms)

IterNodesCost
03314057
17283820
231933685
done50003685

prune886.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize62.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
5.2b
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
53×cbrt-prod
51×*-un-lft-identity
48×unpow-prod-down
43×times-frac
35×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
18×cbrt-div
13×log-prod
10×associate-/r/
flip3-+ flip-+
distribute-lft-out
pow1
div-exp rem-log-exp
frac-times prod-exp add-cbrt-cube add-log-exp
pow-unpow
pow1/3 associate-*r/ associate-*l/ pow-exp div-inv
pow-to-exp log-div pow-pow log-pow sqr-pow
Counts
4 → 118
Calls
4 calls:
4.0ms
(cbrt (+ x y))
4.0ms
(cbrt (+ x y))
18.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
32.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

series832.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(cbrt (+ x y))
181.0ms
(cbrt (+ x y))
388.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
95.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

simplify1.2s

Counts
130 → 130
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02802249
18242128
225721945
done50011930

prune751.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite22.0ms

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:
20.0ms
(/ (exp (- y)) x)

series28.0ms

Counts
1 → 3
Calls
1 calls:
28.0ms
(/ (exp (- y)) x)

simplify3.0s

Counts
32 → 32
Iterations

Useful iterations: 3 (725.0ms)

IterNodesCost
064299
1125289
2488271
33657267
done5001267

prune65.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes98.0ms

Accuracy

95.3% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 5.9b

bsearch120.0ms

Steps
ItersRangePoint
8
7.329791909597432e-11
2.3700091904683387e-07
2.3427008122301183e-07
9
-4159660869929146.0
-4282433023.162024
-27740047836885.016

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01729
12125
done2125

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.5s1528×body1280valid
661.0ms1423×body640valid
356.0ms4866×body80valid
212.0ms824×body320valid
202.0ms2969×body80nan
106.0ms467×body160valid