Details

Time bar (total: 20.7s)

sample31.0ms

Algorithm
intervals
Results
13.0ms256×body80valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1119
2149
done149

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.8b

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
75×*-un-lft-identity
57×times-frac
49×add-cube-cbrt
39×prod-diff
12×difference-of-squares
distribute-lft-out
associate-/r* distribute-lft-out--
add-exp-log add-cbrt-cube div-inv associate-/l* add-log-exp
fma-neg
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp clear-num flip-+
Counts
2 → 111
Calls
2 calls:
15.0ms
(- 1.0 (/ y z))
49.0ms
(/ (+ x y) (- 1.0 (/ y z)))

series112.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(- 1.0 (/ y z))
86.0ms
(/ (+ x y) (- 1.0 (/ y z)))

simplify4.8s

Counts
117 → 117
Iterations

Useful iterations: 3 (2.0s)

IterNodesCost
02202574
14982334
213321799
347201529
done50001529

prune262.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- 1.0 (/ y z))
0.5b
(/ 1 (- 1.0 (/ y z)))
7.2b
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
107×add-sqr-sqrt
79×*-un-lft-identity
73×times-frac
60×add-cube-cbrt
39×prod-diff
24×associate-*r*
16×add-exp-log difference-of-squares
10×add-cbrt-cube
distribute-lft-out--
pow1 associate-/r*
div-inv add-log-exp
div-exp associate-*l* prod-exp associate-/r/
expm1-log1p-u flip3-- fma-neg flip-- log1p-expm1-u associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp flip3-+ 1-exp associate-*l/ cbrt-unprod flip-+
sub-neg pow-flip frac-2neg diff-log associate-*r/ pow-prod-down clear-num un-div-inv *-commutative distribute-lft-out inv-pow
Counts
3 → 160
Calls
3 calls:
14.0ms
(- 1.0 (/ y z))
23.0ms
(/ 1 (- 1.0 (/ y z)))
98.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

series178.0ms

Counts
3 → 9
Calls
3 calls:
21.0ms
(- 1.0 (/ y z))
83.0ms
(/ 1 (- 1.0 (/ y z)))
74.0ms
(* (+ x y) (/ 1 (- 1.0 (/ y z))))

simplify2.3s

Counts
169 → 169
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02703123
16312682
217312085
done50011826

prune496.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 5.6b

localize18.0ms

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))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
259×times-frac
235×add-sqr-sqrt
231×*-un-lft-identity
125×add-cube-cbrt
44×difference-of-squares
39×prod-diff
34×associate-/r*
31×distribute-lft-out
22×distribute-lft-out--
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-inv associate-/l*
div-exp
flip3-+ flip-+ add-log-exp
pow1 cbrt-undiv
expm1-log1p-u fma-neg log1p-expm1-u
rec-exp flip3-- frac-2neg 1-exp clear-num flip-- associate-/l/
sub-neg pow-flip diff-log div-sub inv-pow
Counts
3 → 258
Calls
3 calls:
18.0ms
(- 1.0 (/ y z))
61.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
76.0ms
(/ (- 1.0 (/ y z)) (+ x y))

series329.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(- 1.0 (/ y z))
232.0ms
(/ 1 (/ (- 1.0 (/ y z)) (+ x y)))
66.0ms
(/ (- 1.0 (/ y z)) (+ x y))

simplify2.0s

Counts
267 → 267
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03725784
18715073
221884263
done50003960

prune565.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

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

rewrite805.0ms

Algorithm
rewrite-expression-head
Rules
2543×times-frac
2092×*-un-lft-identity
1432×add-sqr-sqrt
1327×add-cube-cbrt
1044×prod-diff
360×distribute-lft-out
239×associate-/r/
138×div-inv
118×flip3-+ flip-+
30×difference-of-squares
24×associate-/l*
19×associate-/r*
18×fma-neg
15×add-exp-log distribute-lft-out--
13×add-cbrt-cube
div-exp add-log-exp
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u
frac-2neg clear-num
flip3-- frac-sub flip--
sub-neg rec-exp pow-flip diff-log 1-exp associate-/l/ inv-pow
Counts
4 → 1285
Calls
4 calls:
279.0ms
(- (/ 1.0 (+ y x)) (/ (/ y (+ y x)) z))
12.0ms
(/ y (+ y x))
262.0ms
(/ 1 (- (/ 1.0 (+ y x)) (/ (/ y (+ y x)) z)))
43.0ms
(/ (/ y (+ y x)) z)

series466.0ms

Counts
4 → 12
Calls
4 calls:
172.0ms
(- (/ 1.0 (+ y x)) (/ (/ y (+ y x)) z))
54.0ms
(/ y (+ y x))
108.0ms
(/ 1 (- (/ 1.0 (+ y x)) (/ (/ y (+ y x)) z)))
132.0ms
(/ (/ y (+ y x)) z)

simplify2.2s

Counts
1297 → 1297
Iterations

Useful iterations: done (2.0s)

IterNodesCost
0125684457
1279577163
done500161065

prune4.5s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes182.0ms

Accuracy

84.8% (0.2b remaining)

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

bsearch72.0ms

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

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02147
12633
done2633

end0.0ms

sample859.0ms

Algorithm
intervals
Results
455.0ms7998×body80valid
0.0msbody320valid
0.0msbody1280valid