Details

Time bar (total: 17.7s)

sample42.0ms

Algorithm
intervals
Results
16.0ms272×body80valid

simplify222.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1179
2259
3499
4709
51009
61179
71329
81429
91479
done1479

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.2b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) (- z y))
2.1b
(* (/ (- x y) (- z y)) t)

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*l*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*r* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub pow-prod-down associate-*l/ clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
47.0ms
(/ (- x y) (- z y))
100.0ms
(* (/ (- x y) (- z y)) t)

series203.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (- x y) (- z y))
137.0ms
(* (/ (- x y) (- z y)) t)

simplify2.9s

Counts
108 → 108
Iterations

Useful iterations: 2 (218.0ms)

IterNodesCost
01431303
13601269
29631185
328881185
done50001185

prune352.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ y (- z y))
0.0b
(/ x (- z y))
0.0b
(- (/ x (- z y)) (/ y (- z y)))
2.1b
(* (- (/ x (- z y)) (/ y (- z y))) t)

rewrite577.0ms

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
80×add-sqr-sqrt
66×times-frac
32×distribute-lft-out--
30×add-cube-cbrt
20×difference-of-squares
18×associate-*l*
12×associate-/r/
10×add-exp-log associate-/r* add-cbrt-cube
flip3-- flip--
pow1 distribute-rgt-out-- div-inv associate-/l* add-log-exp
associate-*l/
associate-*r*
cbrt-undiv frac-2neg div-exp clear-num frac-sub sub-div
sub-neg diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 140
Calls
4 calls:
24.0ms
(/ y (- z y))
23.0ms
(/ x (- z y))
134.0ms
(- (/ x (- z y)) (/ y (- z y)))
379.0ms
(* (- (/ x (- z y)) (/ y (- z y))) t)

series370.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ y (- z y))
38.0ms
(/ x (- z y))
104.0ms
(- (/ x (- z y)) (/ y (- z y)))
169.0ms
(* (- (/ x (- z y)) (/ y (- z y))) t)

simplify2.1s

Counts
152 → 152
Iterations

Useful iterations: 2 (200.0ms)

IterNodesCost
01871884
13771818
29281718
324321718
done50021718

prune529.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ y (- z y))
0.0b
(- (* x (/ 1 (- z y))) (/ y (- z y)))
0.2b
(* x (/ 1 (- z y)))
2.1b
(* (- (* x (/ 1 (- z y))) (/ y (- z y))) t)

rewrite278.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
41×*-un-lft-identity
32×times-frac
26×add-cube-cbrt
24×associate-*r*
17×add-exp-log
13×add-cbrt-cube
pow1
associate-*l* distribute-lft-out-- difference-of-squares
associate-*l/ add-log-exp
associate-*r/ prod-exp associate-/r* un-div-inv
flip3-- associate-/r/ frac-sub flip-- div-inv sub-div unswap-sqr
div-exp cbrt-unprod associate-/l*
cbrt-undiv distribute-rgt-out-- pow-prod-down *-commutative
sub-neg rec-exp frac-2neg diff-log 1-exp clear-num
Counts
4 → 123
Calls
4 calls:
17.0ms
(/ y (- z y))
28.0ms
(- (* x (/ 1 (- z y))) (/ y (- z y)))
58.0ms
(* x (/ 1 (- z y)))
166.0ms
(* (- (* x (/ 1 (- z y))) (/ y (- z y))) t)

series413.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(/ y (- z y))
87.0ms
(- (* x (/ 1 (- z y))) (/ y (- z y)))
49.0ms
(* x (/ 1 (- z y)))
219.0ms
(* (- (* x (/ 1 (- z y))) (/ y (- z y))) t)

simplify2.7s

Counts
135 → 135
Iterations

Useful iterations: 2 (227.0ms)

IterNodesCost
01941625
14221361
29891223
329151223
done50001223

prune463.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- z y) x)
0.0b
(- (/ 1 (/ (- z y) x)) (/ y (- z y)))
0.8b
(/ 1 (/ (- z y) x))
2.1b
(* (- (/ 1 (/ (- z y) x)) (/ y (- z y))) t)

rewrite863.0ms

Algorithm
rewrite-expression-head
Rules
174×times-frac
172×add-sqr-sqrt
136×*-un-lft-identity
72×add-cube-cbrt
36×difference-of-squares
26×distribute-lft-out--
22×associate-/r*
19×add-exp-log
17×associate-*l*
13×add-cbrt-cube
div-exp div-inv associate-/l*
pow1
add-log-exp
cbrt-undiv
flip3-- associate-*r* associate-*l/ flip--
rec-exp frac-2neg 1-exp clear-num frac-sub associate-/l/
sub-neg pow-flip diff-log div-sub pow-prod-down prod-exp associate-/r/ *-commutative cbrt-unprod inv-pow unswap-sqr
Counts
4 → 200
Calls
4 calls:
22.0ms
(/ (- z y) x)
191.0ms
(- (/ 1 (/ (- z y) x)) (/ y (- z y)))
22.0ms
(/ 1 (/ (- z y) x))
615.0ms
(* (- (/ 1 (/ (- z y) x)) (/ y (- z y))) t)

series574.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ (- z y) x)
209.0ms
(- (/ 1 (/ (- z y) x)) (/ y (- z y)))
83.0ms
(/ 1 (/ (- z y) x))
248.0ms
(* (- (/ 1 (/ (- z y) x)) (/ y (- z y))) t)

simplify2.9s

Counts
212 → 212
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
02753297
16052933
213682538
340812504
done50012504

prune526.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

regimes143.0ms

Accuracy

-4.3% (2.0b remaining)

Error of 2.0b against oracle of 0.0b and baseline of 2.0b

bsearch71.0ms

Steps
ItersRangePoint
8
3.2145479687067177e-198
5.0039998940534755e-194
1.1886376504070966e-194
8
-2.8393338688541856e-263
-8.06567362835162e-268
-1.0733886013619553e-267

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01843
12331
done2331

end0.0ms

sample1.3s

Algorithm
intervals
Results
743.0ms8709×body80valid