Details

Time bar (total: 4.1s)

sample21.0ms

Algorithm
intervals
Results
9.0ms256×body80valid

simplify38.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0268
1618
21418
33478
47928
550028

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: 11.8b

Counts
2 → 1

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
0.6b
(- (* (* z 2.0) z) (* y t))
18.8b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
12×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity add-log-exp
add-cube-cbrt
pow1 cbrt-undiv flip3-- times-frac div-exp prod-exp associate-/r* flip-- cbrt-unprod
sub-neg diff-log associate-/r/
frac-2neg clear-num div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
3 → 51
Calls
3 calls:
8.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
4.0ms
(- (* (* z 2.0) z) (* y t))
10.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series322.0ms

Counts
3 → 9
Calls
3 calls:
87.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
39.0ms
(- (* (* z 2.0) z) (* y t))
195.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify51.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0318564
11519493
25002493

prune156.0ms

Filtered
60 candidates to 42 candidates (70.0%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New53760
Fresh000
Picked011
Done000
Total53861

Merged error: 5.3b

Counts
61 → 8

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
0.6b
(- (* (* z 2.0) z) (* y t))
4.8b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
17.4b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
28×add-sqr-sqrt *-un-lft-identity
26×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1 div-inv associate-/l*
flip3-- flip--
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod associate-/l/
div-sub associate-/r/ distribute-lft-out-- difference-of-squares
Counts
4 → 102
Calls
4 calls:
13.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
4.0ms
(- (* (* z 2.0) z) (* y t))
8.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
7.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series377.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
44.0ms
(- (* (* z 2.0) z) (* y t))
192.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
53.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify68.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
04721105
12263993
25002988

prune303.0ms

Filtered
114 candidates to 84 candidates (73.7%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1068114
Fresh606
Picked101
Done011
Total1139122

Merged error: 1.9b

Counts
122 → 9

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0)))
4.8b
(/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0))
5.0b
(/ (* t y) z)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
81×times-frac
56×add-sqr-sqrt
49×*-un-lft-identity
47×add-cube-cbrt
16×associate-/r*
13×add-exp-log add-cbrt-cube
div-inv
cbrt-undiv div-exp add-log-exp
associate-/l*
pow1 difference-of-squares
frac-2neg clear-num
sub-neg flip3-- diff-log prod-exp associate-/r/ flip-- cbrt-unprod distribute-lft-out--
Counts
3 → 107
Calls
3 calls:
16.0ms
(- x (/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0)))
8.0ms
(/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0))
5.0ms
(/ (* t y) z)

series270.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(- x (/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0)))
180.0ms
(/ y (/ (- (* 2.0 z) (/ (* t y) z)) 2.0))
24.0ms
(/ (* t y) z)

simplify62.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
05041186
121351125
250021124

prune303.0ms

Filtered
116 candidates to 88 candidates (75.9%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New1124116
Fresh707
Picked101
Done011
Total1205125

Merged error: 0.5b

Counts
125 → 5

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt z)
0.5b
(cbrt z)
3.7b
(* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))
4.8b
(/ y (/ (- (* 2.0 z) (* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))) 2.0))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
103×times-frac
79×add-sqr-sqrt
63×add-cube-cbrt *-un-lft-identity
30×add-exp-log
23×add-cbrt-cube
22×associate-*r*
17×cbrt-prod
13×associate-/r*
10×cbrt-undiv div-exp
prod-exp cbrt-unprod
associate-*l* div-inv
pow1 unswap-sqr
add-log-exp
associate-/l*
pow1/3
frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num associate-/r/ *-commutative
Counts
4 → 151
Calls
4 calls:
1.0ms
(cbrt z)
1.0ms
(cbrt z)
15.0ms
(* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))
7.0ms
(/ y (/ (- (* 2.0 z) (* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))) 2.0))

series632.0ms

Counts
4 → 12
Calls
4 calls:
180.0ms
(cbrt z)
188.0ms
(cbrt z)
48.0ms
(* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))
216.0ms
(/ y (/ (- (* 2.0 z) (* (/ t (* (cbrt z) (cbrt z))) (/ y (cbrt z)))) 2.0))

simplify91.0ms

Algorithm
egg-herbie
Counts
163 → 163
Iterations

Useful iterations: 2 (72.0ms)

IterNodesCost
07402144
136771933
250011886

prune512.0ms

Filtered
163 candidates to 127 candidates (77.9%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1621163
Fresh033
Picked011
Done011
Total1626168

Merged error: 0.5b

Counts
168 → 6

regimes170.0ms

Accuracy

0% (1.1b remaining)

Error of 1.6b against oracle of 0.5b and baseline of 1.6b

bsearch0.0ms

simplify4.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01712
11712

end0.0ms

sample508.0ms

Algorithm
intervals
Results
306.0ms8000×body80valid