Details

Time bar (total: 4.9s)

sample23.0ms

Algorithm
intervals
Results
5.0ms197×body80valid
3.0ms256×pre80true
3.0ms22×body1280valid
2.0ms25×body640valid
1.0msbody320valid
0.0msbody160valid

simplify77.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51846
62506
72876
83496
94376
105746
116546
127126
137856
1410756
1511506
1611936
1712136
1812216
1912216

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.0b

localize8.0ms

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)

rewrite131.0ms

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:
26.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
99.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series107.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
62.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify37.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0335555
11087529
25002525

prune217.0ms

Filtered
106 candidates to 68 candidates (64.2%)
Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 13.5b

localize9.0ms

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)

rewrite167.0ms

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:
19.0ms
(/ beta (+ (+ alpha beta) 2.0))
18.0ms
(/ alpha (+ (+ alpha beta) 2.0))
120.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series172.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ beta (+ (+ alpha beta) 2.0))
44.0ms
(/ alpha (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify58.0ms

Algorithm
egg-herbie
Counts
188 → 188
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
04931766
116231302
250021263

prune340.0ms

Filtered
188 candidates to 97 candidates (51.6%)
Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 2.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt beta)
0.6b
(cbrt beta)
0.6b
(cbrt beta)
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
126×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
36×distribute-lft-out
21×fma-neg
cbrt-prod
associate-/r/
add-log-exp
pow1 add-exp-log expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 140
Calls
4 calls:
0.0ms
(cbrt beta)
0.0ms
(cbrt beta)
1.0ms
(cbrt beta)
120.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series629.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(cbrt beta)
189.0ms
(cbrt beta)
181.0ms
(cbrt beta)
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify48.0ms

Algorithm
egg-herbie
Counts
152 → 152
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
03861443
11119993
25001940

prune344.0ms

Filtered
152 candidates to 82 candidates (53.9%)
Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 2.4b

localize19.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt beta))
0.6b
(cbrt (cbrt beta))
0.6b
(cbrt (cbrt beta))
1.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
129×*-un-lft-identity
72×add-sqr-sqrt
67×add-cube-cbrt
63×prod-diff
61×times-frac
36×distribute-lft-out
27×cbrt-prod
21×fma-neg
associate-/r/
add-log-exp
pow1 add-exp-log expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 149
Calls
4 calls:
1.0ms
(cbrt (cbrt beta))
1.0ms
(cbrt (cbrt beta))
1.0ms
(cbrt (cbrt beta))
121.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series808.0ms

Counts
4 → 12
Calls
4 calls:
244.0ms
(cbrt (cbrt beta))
243.0ms
(cbrt (cbrt beta))
242.0ms
(cbrt (cbrt beta))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify55.0ms

Algorithm
egg-herbie
Counts
161 → 161
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
03991554
111231098
250011039

prune601.0ms

Filtered
161 candidates to 88 candidates (54.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.4b

regimes69.0ms

Accuracy

67.8% (4.4b remaining)

Error of 7.3b against oracle of 2.9b and baseline of 16.5b

bsearch74.0ms

Steps
ItersRangePoint
9
5.312605216618719e+48
4.3794405869739974e+54
5.368585705177939e+48

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05152
15152

end0.0ms

sample602.0ms

Algorithm
intervals
Results
148.0ms5820×body80valid
107.0ms882×body1280valid
95.0ms8000×pre80true
73.0ms717×body640valid
28.0ms392×body320valid
9.0ms189×body160valid