Details

Time bar (total: 5.5s)

sample95.0ms

Algorithm
intervals
Results
23.0ms40×body1280valid
18.0ms53×body640valid
11.0ms121×body80valid
8.0msbody2560valid
5.0ms25×body320valid
3.0ms76×body80nan
3.0ms60×body80overflowed
3.0ms11×body640nan
2.0ms12×body160valid
1.0msbody1280nan
1.0msbody320nan
0.0msbody160nan

simplify202.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0207
1337
2497
3717
4937
51807
62327
74117
87107
910927
1012407
1115587
1241917
1350017

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 21.5b

Counts
2 → 1

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t))
0.1b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.6b
(log (+ (- 1.0 y) (* y (exp z))))
2.3b
(+ (- 1.0 y) (* y (exp z)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
16×*-un-lft-identity
14×add-cube-cbrt
13×times-frac
11×add-log-exp
pow1
add-exp-log
log-div add-cbrt-cube
log-pow
flip3-+ div-sub flip-+ associate-/l*
log-prod associate-/r*
sub-neg associate-+l+ diff-log sum-log associate--r- difference-of-squares
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp rem-log-exp clear-num flip-- div-inv distribute-lft-out--
Counts
4 → 79
Calls
4 calls:
8.0ms
(- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t))
8.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
5.0ms
(log (+ (- 1.0 y) (* y (exp z))))
6.0ms
(+ (- 1.0 y) (* y (exp z)))

series329.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t))
150.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
69.0ms
(log (+ (- 1.0 y) (* y (exp z))))
37.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify46.0ms

Algorithm
egg-herbie
Counts
91 → 91
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0473933
11592875
25001868

prune279.0ms

Filtered
91 candidates to 70 candidates (76.9%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New82991
Fresh000
Picked101
Done000
Total83992

Merged error: 4.5b

Counts
92 → 9

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (log (+ 1.0 (* (- (exp z) 1) y))) t))
0.1b
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
1.6b
(log (+ 1.0 (* (- (exp z) 1) y)))
3.4b
(- (exp z) 1)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×*-un-lft-identity
14×add-cube-cbrt
13×times-frac
pow1
add-log-exp
add-exp-log
log-div add-cbrt-cube
log-pow
div-sub associate-/l* difference-of-squares
log-prod flip3-+ associate-/r* flip-+
sub-neg flip3-- diff-log flip-- distribute-lft-out-- associate--r-
cbrt-undiv frac-2neg difference-of-sqr-1 div-exp rem-log-exp clear-num div-inv
Counts
4 → 80
Calls
4 calls:
7.0ms
(- x (/ (log (+ 1.0 (* (- (exp z) 1) y))) t))
5.0ms
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
2.0ms
(log (+ 1.0 (* (- (exp z) 1) y)))
6.0ms
(- (exp z) 1)

series250.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- x (/ (log (+ 1.0 (* (- (exp z) 1) y))) t))
117.0ms
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
60.0ms
(log (+ 1.0 (* (- (exp z) 1) y)))
15.0ms
(- (exp z) 1)

simplify52.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0458879
11676827
25001819

prune213.0ms

Filtered
92 candidates to 67 candidates (72.8%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New90292
Fresh268
Picked101
Done000
Total938101

Merged error: 4.5b

Counts
101 → 8

localize9.0ms

Local error

Found 1 expressions with local error:

4.5b
(/ (* z y) t)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/r*
cbrt-undiv div-exp
pow1 frac-2neg prod-exp clear-num cbrt-unprod div-inv associate-/l* add-log-exp
Counts
1 → 21
Calls
1 calls:
4.0ms
(/ (* z y) t)

series21.0ms

Counts
1 → 3
Calls
1 calls:
21.0ms
(/ (* z y) t)

simplify57.0ms

Algorithm
egg-herbie
Counts
24 → 24
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
011185
151470
2247170
3500170

prune82.0ms

Filtered
24 candidates to 16 candidates (66.7%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New17724
Fresh077
Picked101
Done000
Total181432

Merged error: 3.6b

Counts
32 → 14

localize9.0ms

Local error

Found 1 expressions with local error:

4.8b
(/ z (/ t y))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
43×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×associate-/r*
add-exp-log add-cbrt-cube
div-inv
cbrt-undiv div-exp associate-/l*
pow1 frac-2neg clear-num associate-/r/ add-log-exp
Counts
1 → 70
Calls
1 calls:
6.0ms
(/ z (/ t y))

series31.0ms

Counts
1 → 3
Calls
1 calls:
31.0ms
(/ z (/ t y))

simplify57.0ms

Algorithm
egg-herbie
Counts
73 → 73
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
0325452
11331432
25002431

prune218.0ms

Filtered
73 candidates to 60 candidates (82.2%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New68573
Fresh4913
Picked101
Done000
Total731487

Merged error: 3.6b

Counts
87 → 14

regimes746.0ms

Accuracy

53% (6.1b remaining)

Error of 9.6b against oracle of 3.5b and baseline of 16.6b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
07184
17184

end0.0ms

sample2.8s

Algorithm
intervals
Results
854.0ms1433×body1280valid
537.0ms1595×body640valid
248.0ms3538×body80valid
192.0ms877×body320valid
125.0ms2533×body80nan
110.0ms83×body2560valid
83.0ms1571×body80overflowed
66.0ms498×body160valid
56.0ms230×body640nan
47.0ms128×body1280nan
29.0ms175×body320nan
12.0ms118×body160nan