Details

Time bar (total: 17.2s)

sample29.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1119
2149
done149

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.8b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(- 1.0 (/ y z))
7.8b
(/ (+ x y) (- 1.0 (/ y z)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
40×*-un-lft-identity
30×times-frac
14×add-cube-cbrt
12×difference-of-squares
distribute-lft-out
associate-/r* distribute-lft-out--
add-exp-log add-cbrt-cube associate-/l* add-log-exp
pow1 flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp clear-num flip-+ div-inv
Counts
2 → 65
Calls
2 calls:
16.0ms
(- 1.0 (/ y z))
46.0ms
(/ (+ x y) (- 1.0 (/ y z)))

series106.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(- 1.0 (/ y z))
82.0ms
(/ (+ x y) (- 1.0 (/ y z)))

simplify2.9s

Counts
71 → 71
Iterations

Useful iterations: 4 (1.4s)

IterNodesCost
01041002
1221974
2570928
31397928
43891927
done5000927

prune234.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.6b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(- 1.0 (/ y z))
0.2b
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
7.9b
(/ (- 1.0 (/ y z)) (+ x y))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
232×times-frac
200×add-sqr-sqrt
196×*-un-lft-identity
90×add-cube-cbrt
44×difference-of-squares
34×associate-/r*
31×distribute-lft-out
22×distribute-lft-out--
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
associate-/l*
div-exp
div-inv
flip3-+ flip-+ add-log-exp
pow1 cbrt-undiv
rec-exp flip3-- frac-2neg 1-exp clear-num flip-- associate-/l/
sub-neg pow-flip diff-log div-sub inv-pow
Counts
3 → 210
Calls
3 calls:
16.0ms
(- 1.0 (/ y z))
57.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
49.0ms
(/ (- 1.0 (/ y z)) (+ x y))

series266.0ms

Counts
3 → 9
Calls
3 calls:
21.0ms
(- 1.0 (/ y z))
176.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
68.0ms
(/ (- 1.0 (/ y z)) (+ x y))

simplify2.7s

Counts
219 → 219
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
02544188
15943692
214113375
337823331
done50003331

prune361.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ x y))
0.0b
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
0.2b
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
8.7b
(/ y (* (+ x y) z))

rewrite233.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
46×*-un-lft-identity
44×times-frac
28×add-cube-cbrt
27×associate-/r/
15×add-exp-log
13×associate-/r* add-cbrt-cube
12×flip3-+ associate-*l/ flip-+
10×distribute-rgt-out-- difference-of-squares
associate-/l*
add-log-exp
pow1 div-exp distribute-lft-out--
cbrt-undiv distribute-lft-out
frac-2neg clear-num div-inv
flip3-- frac-sub flip--
sub-neg rec-exp pow-flip diff-log 1-exp prod-exp cbrt-unprod inv-pow
Counts
4 → 128
Calls
4 calls:
13.0ms
(/ 1.0 (+ x y))
72.0ms
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
129.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
13.0ms
(/ y (* (+ x y) z))

series554.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ 1.0 (+ x y))
187.0ms
(- (/ 1.0 (+ x y)) (/ y (* (+ x y) z)))
208.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ y (* (+ x y) z))))
106.0ms
(/ y (* (+ x y) z))

simplify3.1s

Counts
140 → 140
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
02032317
14122160
210412044
337732036
done50002036

prune362.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z))
0.0b
(/ y (+ x y))
0.2b
(/ 1 (- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z)))
2.0b
(/ (/ y (+ x y)) z)

rewrite526.0ms

Algorithm
rewrite-expression-head
Rules
215×times-frac
186×add-sqr-sqrt
168×*-un-lft-identity
81×add-cube-cbrt
30×difference-of-squares
24×associate-/l*
21×distribute-lft-out
19×associate-/r*
15×add-exp-log distribute-lft-out--
13×associate-/r/ add-cbrt-cube
div-inv
div-exp add-log-exp
pow1 cbrt-undiv flip3-+ flip-+
frac-2neg clear-num
flip3-- frac-sub flip--
sub-neg rec-exp pow-flip diff-log 1-exp associate-/l/ inv-pow
Counts
4 → 215
Calls
4 calls:
165.0ms
(- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z))
16.0ms
(/ y (+ x y))
296.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z)))
36.0ms
(/ (/ y (+ x y)) z)

series534.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z))
66.0ms
(/ y (+ x y))
209.0ms
(/ 1 (- (/ 1.0 (+ x y)) (/ (/ y (+ x y)) z)))
85.0ms
(/ (/ y (+ x y)) z)

simplify3.1s

Counts
227 → 227
Iterations

Useful iterations: 2 (459.0ms)

IterNodesCost
03074061
16463780
214903652
341713652
done50013652

prune706.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes169.0ms

Accuracy

84.7% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 1.5b

bsearch51.0ms

Steps
ItersRangePoint
9
2.1927299290011604e+49
1.5530038377043224e+54
2.211156237826686e+49
3
-1.620663769536734e+22
-1.1818218448352858e+22
-1.5383809086552126e+22

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02047
12633
done2633

end0.0ms

sample1.0s

Algorithm
intervals
Results
643.0ms7998×body80valid
0.0msbody1280valid
0.0msbody320valid