Details

Time bar (total: 3.8s)

sample38.0ms

Algorithm
intervals
Results
20.0ms519×body80valid

simplify115.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 9 (97.0ms)

IterNodesCost
0216
1526
21716
34016
48296
510906
616106
719566
822526
923675
1023675

prune8.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 7.8b

Counts
2 → 1

localize13.0ms

Local error

Found 1 expressions with local error:

7.3b
(* (* y 4.0) (- t (* z z)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log prod-diff add-cbrt-cube
distribute-rgt-in add-sqr-sqrt distribute-lft-in
add-cube-cbrt *-un-lft-identity associate-*r*
pow-prod-down prod-exp cbrt-unprod
sub-neg associate-*r/
expm1-log1p-u flip3-- associate-*l* *-commutative flip-- log1p-expm1-u add-log-exp difference-of-squares
Counts
1 → 33
Calls
1 calls:
8.0ms
(* (* y 4.0) (- t (* z z)))

series87.0ms

Counts
1 → 3
Calls
1 calls:
87.0ms
(* (* y 4.0) (- t (* z z)))

simplify49.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0230249
11099212
25001207

prune92.0ms

Filtered
36 candidates to 20 candidates (55.6%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New29736
Fresh000
Picked101
Done000
Total30737

Merged error: 3.7b

Counts
37 → 7

localize14.0ms

Local error

Found 2 expressions with local error:

7.3b
(* (* y 4.0) (- t (* z z)))
41.5b
(fma (- z) z (* z z))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt prod-diff
distribute-rgt-in add-cube-cbrt *-un-lft-identity distribute-lft-in
associate-*r*
pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u sub-neg associate-*r/ log1p-expm1-u add-log-exp
flip3-- associate-*l* *-commutative flip-- fma-udef difference-of-squares
Counts
2 → 43
Calls
2 calls:
8.0ms
(* (* y 4.0) (- t (* z z)))
1.0ms
(fma (- z) z (* z z))

series151.0ms

Counts
2 → 6
Calls
2 calls:
90.0ms
(* (* y 4.0) (- t (* z z)))
60.0ms
(fma (- z) z (* z z))

simplify50.0ms

Algorithm
egg-herbie
Counts
49 → 49
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
0241299
11123255
25002250

prune136.0ms

Filtered
49 candidates to 31 candidates (63.3%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New49049
Fresh066
Picked011
Done000
Total49756

Merged error: 3.7b

Counts
56 → 7

localize13.0ms

Local error

Found 4 expressions with local error:

2.2b
(* (* y 4.0) (* (cbrt (- t (* z z))) (cbrt (- t (* z z)))))
8.0b
(cbrt (- t (* z z)))
8.0b
(cbrt (- t (* z z)))
8.0b
(cbrt (- t (* z z)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
16×pow1 add-exp-log
12×cbrt-prod add-cbrt-cube
10×add-sqr-sqrt associate-*r/
flip3-- flip--
pow-prod-down prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
expm1-log1p-u frac-times log1p-expm1-u add-log-exp
pow1/3 difference-of-squares
associate-*l/
associate-*r* associate-*l* *-commutative
Counts
4 → 80
Calls
4 calls:
14.0ms
(* (* y 4.0) (* (cbrt (- t (* z z))) (cbrt (- t (* z z)))))
3.0ms
(cbrt (- t (* z z)))
3.0ms
(cbrt (- t (* z z)))
3.0ms
(cbrt (- t (* z z)))

series1.3s

Counts
4 → 12
Calls
4 calls:
248.0ms
(* (* y 4.0) (* (cbrt (- t (* z z))) (cbrt (- t (* z z)))))
330.0ms
(cbrt (- t (* z z)))
354.0ms
(cbrt (- t (* z z)))
323.0ms
(cbrt (- t (* z z)))

simplify52.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
0386796
11295707
25001692

prune324.0ms

Filtered
92 candidates to 75 candidates (81.5%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New90292
Fresh145
Picked101
Done011
Total92799

Merged error: 3.7b

Counts
99 → 7

localize6.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify3.0ms

Algorithm
egg-herbie
Counts
0 → 0
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
000

prune0.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New000
Fresh055
Picked011
Done011
Total077

Merged error: 3.7b

Counts
7 → 7

regimes306.0ms

Accuracy

82.1% (0.6b remaining)

Error of 3.2b against oracle of 2.6b and baseline of 6.0b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03020
13020

end0.0ms

sample1.0s

Algorithm
intervals
Results
606.0ms15803×body80valid