Details

Time bar (total: 7.5s)

sample101.0ms

Algorithm
intervals
Results
21.0ms42×body1280valid
20.0ms43×body10240exit
18.0ms65×body640valid
6.0ms103×body80valid
5.0msbody2560valid
5.0ms28×body320valid
2.0ms65×body80nan
2.0ms17×body160valid
2.0msbody640nan
1.0msbody1280nan
1.0msbody320nan
0.0msbody160nan

simplify204.0ms

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.4b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.5b
(log (+ (- 1.0 y) (* y (exp z))))
2.6b
(+ (- 1.0 y) (* y (exp z)))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×times-frac
11×pow1
add-log-exp
add-exp-log add-cbrt-cube
log-pow
log-div associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
associate-+l+ div-sub sum-log
cbrt-undiv +-commutative associate-+l- sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
10.0ms
(* y (exp z))
51.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
18.0ms
(log (+ (- 1.0 y) (* y (exp z))))
30.0ms
(+ (- 1.0 y) (* y (exp z)))

series296.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* y (exp z))
159.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
75.0ms
(log (+ (- 1.0 y) (* y (exp z))))
40.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify48.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0452795
11740733
25001726

prune252.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 4.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
0.0b
(* 0.5 (pow z 2))
2.6b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
6.1b
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
13×add-exp-log
11×associate-*r*
10×add-cbrt-cube
times-frac
pow1 associate-*l* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
associate-*r/ *-commutative cbrt-unprod associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp frac-2neg distribute-lft-in div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 89
Calls
4 calls:
9.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
11.0ms
(* 0.5 (pow z 2))
25.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
32.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

series295.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
24.0ms
(* 0.5 (pow z 2))
84.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
120.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

simplify55.0ms

Algorithm
egg-herbie
Counts
101 → 101
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0415800
11832721
25001715

prune300.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow z 2))
0.5b
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
2.6b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
6.1b
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
69×add-sqr-sqrt
61×add-cube-cbrt *-un-lft-identity
24×add-exp-log
18×associate-/r*
15×add-cbrt-cube
11×associate-*r* associate-/r/
div-exp
pow1
flip3-+ associate-*l* flip-+ div-inv associate-/l*
unswap-sqr
cbrt-undiv unpow-prod-down prod-exp add-log-exp
rec-exp frac-2neg 1-exp associate-*r/ clear-num *-commutative cbrt-unprod unpow2 sqr-pow
distribute-rgt-in pow-to-exp pow-flip distribute-lft-in pow-prod-down pow-exp inv-pow
Counts
4 → 162
Calls
4 calls:
11.0ms
(* 0.5 (pow z 2))
15.0ms
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
27.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
10.0ms
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

series539.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* 0.5 (pow z 2))
163.0ms
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
89.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
254.0ms
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

simplify97.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
07092207
136142018
250011932

prune451.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 4.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow z 2))
3.0b
(+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))
6.1b
(/ (+ (log 1.0) (+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))) t)
6.7b
(* y (* 0.5 (pow z 2)))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
30×*-un-lft-identity
24×add-sqr-sqrt
21×add-exp-log
18×add-cube-cbrt
15×times-frac
13×add-cbrt-cube
10×pow1 prod-exp
associate-*r* distribute-lft-out
associate-*l* add-log-exp
associate-/l*
unpow-prod-down log-pow cbrt-unprod unswap-sqr
associate-/r*
pow-to-exp flip3-+ pow-exp *-commutative flip-+ associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative frac-2neg div-exp pow-prod-down clear-num sum-log div-inv
Counts
4 → 95
Calls
4 calls:
11.0ms
(* 0.5 (pow z 2))
20.0ms
(+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))
128.0ms
(/ (+ (log 1.0) (+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))) t)
20.0ms
(* y (* 0.5 (pow z 2)))

series286.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(* 0.5 (pow z 2))
91.0ms
(+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))
129.0ms
(/ (+ (log 1.0) (+ (* y (* 0.5 (pow z 2))) (* y (* 1.0 z)))) t)
33.0ms
(* y (* 0.5 (pow z 2)))

simplify70.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
0407887
11858791
25002780

prune287.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.1b

regimes549.0ms

Accuracy

74.9% (4.1b remaining)

Error of 8.7b against oracle of 4.6b and baseline of 21.1b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04127
14127

end0.0ms

sample3.1s

Algorithm
intervals
Results
732.0ms1432×body1280valid
710.0ms1518×body10240exit
440.0ms1568×body640valid
209.0ms3512×body80valid
161.0ms935×body320valid
85.0ms71×body2560valid
85.0ms2521×body80nan
58.0ms509×body160valid
54.0ms280×body640nan
30.0ms110×body1280nan
23.0ms193×body320nan
8.0ms101×body160nan