Details

Time bar (total: 19.8s)

sample58.0ms

Algorithm
intervals
Results
12.0ms216×body80valid
10.0ms21×body1280valid
7.0ms24×body640valid
4.0ms22×body320valid
4.0ms100×body80nan
1.0ms12×body160valid

simplify1.7s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01013
11813
22711
35211
410811
524411
657711
7185011
done500011

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.3b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
0.0b
(/ y (+ z y))
0.1b
(* y (log (/ y (+ z y))))
8.6b
(log (/ y (+ z y)))

rewrite180.0ms

Algorithm
rewrite-expression-head
Rules
67×*-un-lft-identity
54×log-prod
48×times-frac
41×add-sqr-sqrt
39×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in
14×distribute-lft-out
11×add-exp-log
pow1 associate-/r/ add-cbrt-cube
add-log-exp
flip3-+ flip-+
associate-*r* associate-/r* div-inv
associate-*l* associate-/l*
div-exp rem-log-exp log-pow
cbrt-undiv +-commutative log-div frac-2neg pow-prod-down prod-exp clear-num sum-log *-commutative cbrt-unprod unswap-sqr
Counts
4 → 129
Calls
4 calls:
126.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
13.0ms
(/ y (+ z y))
26.0ms
(* y (log (/ y (+ z y))))
6.0ms
(log (/ y (+ z y)))

series346.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
57.0ms
(/ y (+ z y))
107.0ms
(* y (log (/ y (+ z y))))
81.0ms
(log (/ y (+ z y)))

simplify1.5s

Counts
141 → 141
Iterations

Useful iterations: 3 (720.0ms)

IterNodesCost
01991893
13821790
28711647
322581598
done50021598

prune461.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ z y))
0.6b
(cbrt (+ z y))
3.8b
(log (/ (cbrt y) (cbrt (+ z y))))
3.8b
(log (/ (cbrt y) (cbrt (+ z y))))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
98×cbrt-prod
96×log-prod
88×*-un-lft-identity
84×times-frac
60×add-sqr-sqrt add-cube-cbrt
14×distribute-lft-out
10×add-exp-log
cbrt-div
pow1
flip3-+ rem-log-exp associate-/r/ add-cbrt-cube flip-+ add-log-exp
log-div pow1/3 div-exp log-pow div-inv
Counts
4 → 146
Calls
4 calls:
7.0ms
(cbrt (+ z y))
7.0ms
(cbrt (+ z y))
9.0ms
(log (/ (cbrt y) (cbrt (+ z y))))
9.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

series556.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(cbrt (+ z y))
226.0ms
(cbrt (+ z y))
84.0ms
(log (/ (cbrt y) (cbrt (+ z y))))
79.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

simplify2.5s

Counts
158 → 158
Iterations

Useful iterations: 4 (1.3s)

IterNodesCost
01892450
13572282
26802192
313912118
433602110
done50002110

prune1.3s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize7.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ (exp (- z)) y)

rewrite25.0ms

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:
23.0ms
(/ (exp (- z)) y)

series34.0ms

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

simplify2.9s

Counts
32 → 32
Iterations

Useful iterations: 3 (221.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune94.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize32.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y)))
5.3b
(pow (/ y (+ z y)) y)
5.3b
(pow (/ y (+ z y)) (* 2 y))
25.5b
(/ (- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y))) (- x (/ (pow (/ y (+ z y)) y) y)))

rewrite500.0ms

Algorithm
rewrite-expression-head
Rules
221×add-sqr-sqrt
196×times-frac
100×difference-of-squares
76×unpow-prod-down
70×*-un-lft-identity
40×add-cube-cbrt
22×sqr-pow
12×add-exp-log
associate-/r* distribute-lft-out--
associate-/l*
pow1 associate-/r/ add-cbrt-cube distribute-lft-out add-log-exp
pow-unpow pow-exp
flip3-- div-exp flip-- div-inv
pow-to-exp pow-pow flip3-+ flip-+ associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub clear-num
Counts
4 → 187
Calls
4 calls:
73.0ms
(- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y)))
16.0ms
(pow (/ y (+ z y)) y)
22.0ms
(pow (/ y (+ z y)) (* 2 y))
371.0ms
(/ (- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y))) (- x (/ (pow (/ y (+ z y)) y) y)))

series1.2s

Counts
4 → 12
Calls
4 calls:
86.0ms
(- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y)))
381.0ms
(pow (/ y (+ z y)) y)
346.0ms
(pow (/ y (+ z y)) (* 2 y))
368.0ms
(/ (- (* x x) (/ (pow (/ y (+ z y)) (* 2 y)) (* y y))) (- x (/ (pow (/ y (+ z y)) y) y)))

simplify1.6s

Counts
199 → 199
Iterations

Useful iterations: done (1.6s)

IterNodesCost
04217160
110347013
226496679
done50016283

prune1.0s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes86.0ms

Accuracy

0% (1.0b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 1.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01628
12228
done2228

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.1s959×body640valid
679.0ms791×body1280valid
663.0ms6515×body80valid
251.0ms3061×body80nan
228.0ms560×body320valid
63.0ms313×body160valid