Details

Time bar (total: 19.4s)

sample50.0ms

Algorithm
intervals
Results
10.0ms189×body80valid
9.0ms29×body1280valid
6.0ms256×pre80true
5.0ms24×body640valid
2.0ms10×body320valid
1.0msbody160valid

simplify694.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
12013
23413
35213
47313
511813
616113
719913
823013
926813
1029613
1130713
1231913
1332313
done32313

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.2b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite324.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
50×times-frac
47×add-sqr-sqrt
34×distribute-lft-out
31×fma-def
25×add-cube-cbrt
11×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log associate-/r/ add-cbrt-cube add-log-exp
flip3-+ flip-+
pow1 expm1-log1p-u div-sub log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip--
Counts
2 → 100
Calls
2 calls:
73.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
245.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series148.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
83.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify2.3s

Counts
106 → 106
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01281178
13351110
29501056
330941048
done50011043

prune370.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 15.4b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite518.0ms

Algorithm
rewrite-expression-head
Rules
182×*-un-lft-identity
91×times-frac
85×add-sqr-sqrt
80×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
12×associate-/r/
10×associate-/r*
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv associate-/l*
add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-2neg div-exp clear-num difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
3 → 179
Calls
3 calls:
58.0ms
(/ beta (+ (+ alpha beta) 2.0))
37.0ms
(/ alpha (+ (+ alpha beta) 2.0))
414.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series241.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(/ beta (+ (+ alpha beta) 2.0))
63.0ms
(/ alpha (+ (+ alpha beta) 2.0))
109.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.3s

Counts
188 → 188
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02213563
14922856
211612541
335862159
done50002159

prune539.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.2b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (+ alpha beta) 2.0) beta)
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.7b
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite571.0ms

Algorithm
rewrite-expression-head
Rules
299×*-un-lft-identity
208×times-frac
142×add-sqr-sqrt
137×add-cube-cbrt
96×distribute-lft-out
63×prod-diff
27×associate-/r*
21×fma-neg
19×add-exp-log
13×add-cbrt-cube
11×associate-/r/ div-inv associate-/l*
div-exp
flip3-+ flip-+ add-log-exp
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u
frac-2neg clear-num
rec-exp 1-exp associate-/l/ difference-of-squares
sub-neg flip3-- pow-flip diff-log flip-- distribute-lft-out-- inv-pow
Counts
4 → 281
Calls
4 calls:
112.0ms
(/ (+ (+ alpha beta) 2.0) beta)
65.0ms
(/ alpha (+ (+ alpha beta) 2.0))
50.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
318.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series284.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(/ (+ (+ alpha beta) 2.0) beta)
79.0ms
(/ alpha (+ (+ alpha beta) 2.0))
76.0ms
(/ 1 (/ (+ (+ alpha beta) 2.0) beta))
96.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify3.6s

Counts
293 → 293
Iterations

Useful iterations: 3 (2.3s)

IterNodesCost
03255357
17264313
216443820
348903532
done50003532

prune743.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.2b

localize34.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
9.4b
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

rewrite396.0ms

Algorithm
rewrite-expression-head
Rules
195×*-un-lft-identity
106×times-frac
93×add-sqr-sqrt
88×add-cube-cbrt
63×prod-diff distribute-lft-out
57×cbrt-prod
21×fma-neg
associate-/r/
div-inv
add-log-exp
pow1 add-exp-log expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
cbrt-div pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 191
Calls
4 calls:
307.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
35.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
27.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
18.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

series765.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
215.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
213.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))
242.0ms
(cbrt (/ (+ (+ alpha beta) 2.0) beta))

simplify2.7s

Counts
203 → 203
Iterations

Useful iterations: done (2.7s)

IterNodesCost
02524390
15283687
212353353
337122920
done50002914

prune657.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

regimes152.0ms

Accuracy

72.4% (3.8b remaining)

Error of 6.9b against oracle of 3.0b and baseline of 16.9b

bsearch47.0ms

Steps
ItersRangePoint
5
3.726174372304574e+36
1.2219886942032108e+37
9.24917919805738e+36

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03471
13871
done3871

end0.0ms

sample1.8s

Algorithm
intervals
Results
464.0ms406×body320valid
297.0ms5789×body80valid
269.0ms8000×pre80true
249.0ms731×body640valid
196.0ms864×body1280valid
20.0ms210×body160valid