Details

sample33.0ms

Algorithm

intervals

Results

15.0ms

506×

body

valid

simplify97.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 9 (81.0ms)

Iter	Nodes	Cost
0	21	6
1	52	6
2	171	6
3	401	6
4	829	6
5	1090	6
6	1610	6
7	1956	6
8	2252	6
9	2367	5
10	2367	5

prune6.0ms

Filtered

1 candidates to 1 candidates (100.0%)

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.6b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b	(fma x x (* (* y 4.0) (- t (* z z))))
0.0b	(- t (* z z))
6.2b	(* (* y 4.0) (- t (* z z)))

rewrite15.0ms

Algorithm

rewrite-expression-head

Rules

10×	`add-sqr-sqrt`
9×	`prod-diff`
8×	`pow1` `add-exp-log` `add-cube-cbrt` `*-un-lft-identity` `add-cbrt-cube`
5×	`distribute-rgt-in` `distribute-lft-in` `add-log-exp`
4×	`associate-r`
3×	`expm1-log1p-u` `sub-neg` `fma-neg` `pow-prod-down` `prod-exp` `cbrt-unprod` `log1p-expm1-u`
2×	`flip3--` `associate-*r/` `flip--` `difference-of-squares`
1×	`diff-log` `associate-l` `*-commutative` `fma-udef`

Counts

3 → 64

Calls

3 calls:

0.0ms	(fma x x (* (* y 4.0) (- t (* z z))))
2.0ms	(- t (* z z))
11.0ms	(* (* y 4.0) (- t (* z z)))

series221.0ms

Counts

3 → 9

Calls

3 calls:

96.0ms	(fma x x (* (* y 4.0) (- t (* z z))))
38.0ms	(- t (* z z))
86.0ms	(* (* y 4.0) (- t (* z z)))

simplify44.0ms

Algorithm

egg-herbie

Counts

73 → 73

Iterations

Useful iterations: 2 (37.0ms)

Iter	Nodes	Cost
0	279	440
1	1253	374
2	5002	367

prune203.0ms

Filtered

73 candidates to 50 candidates (68.5%)

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.8b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b	(- t (* z z))
0.0b	(fma x x (+ (* (* y 4.0) (- t (* z z))) (* (* y 4.0) (fma (- z) z (* z z)))))
6.2b	(* (* y 4.0) (- t (* z z)))
38.9b	(fma (- z) z (* z z))

rewrite16.0ms

Algorithm

rewrite-expression-head

Rules

11×	`add-sqr-sqrt`
9×	`pow1` `add-exp-log` `add-cube-cbrt` `*-un-lft-identity` `prod-diff` `add-cbrt-cube`
6×	`add-log-exp`
5×	`distribute-rgt-in` `distribute-lft-in`
4×	`expm1-log1p-u` `associate-r` `log1p-expm1-u`
3×	`sub-neg` `fma-neg` `pow-prod-down` `prod-exp` `cbrt-unprod`
2×	`flip3--` `associate-*r/` `flip--` `fma-udef` `difference-of-squares`
1×	`diff-log` `associate-l` `*-commutative`

Counts

4 → 74

Calls

4 calls:

2.0ms	(- t (* z z))
0.0ms	(fma x x (+ (* (* y 4.0) (- t (* z z))) (* (* y 4.0) (fma (- z) z (* z z)))))
11.0ms	(* (* y 4.0) (- t (* z z)))
0.0ms	(fma (- z) z (* z z))

series1.9s

Counts

4 → 12

Calls

4 calls:

42.0ms	(- t (* z z))
1.7s	(fma x x (+ (* (* y 4.0) (- t (* z z))) (* (* y 4.0) (fma (- z) z (* z z)))))
87.0ms	(* (* y 4.0) (- t (* z z)))
53.0ms	(fma (- z) z (* z z))

simplify46.0ms

Algorithm

egg-herbie

Counts

86 → 86

Iterations

Useful iterations: 2 (39.0ms)

Iter	Nodes	Cost
0	293	562
1	1301	478
2	5001	467

prune280.0ms

Filtered

86 candidates to 61 candidates (70.9%)

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 2.8b

localize24.0ms

Local error

Found 4 expressions with local error:

6.7b	(cbrt (- t (* z z)))
6.7b	(cbrt (- t (* z z)))
6.7b	(cbrt (- t (* z z)))
38.9b	(fma (- z) z (* z z))

rewrite6.0ms

Algorithm

rewrite-expression-head

Rules

12×	`cbrt-prod`
10×	`add-sqr-sqrt`
7×	`add-cube-cbrt` `*-un-lft-identity`
6×	`cbrt-div`
4×	`pow1` `add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u` `add-log-exp`
3×	`flip3--` `pow1/3` `flip--` `difference-of-squares`
1×	`fma-udef`

Counts

4 → 58

Calls

4 calls:

2.0ms	(cbrt (- t (* z z)))
2.0ms	(cbrt (- t (* z z)))
2.0ms	(cbrt (- t (* z z)))
0.0ms	(fma (- z) z (* z z))

series1.0s

Counts

4 → 12

Calls

4 calls:

322.0ms	(cbrt (- t (* z z)))
323.0ms	(cbrt (- t (* z z)))
318.0ms	(cbrt (- t (* z z)))
53.0ms	(fma (- z) z (* z z))

simplify59.0ms

Algorithm

egg-herbie

Counts

70 → 70

Iterations

Useful iterations: 3 (52.0ms)

Iter	Nodes	Cost
0	176	443
1	423	415
2	1390	406
3	5002	395

prune360.0ms

Filtered

70 candidates to 65 candidates (92.9%)

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 2.8b

localize23.0ms

Local error

Found 4 expressions with local error:

6.7b	(cbrt (- t (* z z)))
6.7b	(cbrt (- t (* z z)))
6.7b	(cbrt (- t (* z z)))
38.9b	(fma (- z) z (* z z))

rewrite7.0ms

Algorithm

rewrite-expression-head

Rules

12×	`cbrt-prod`
10×	`add-sqr-sqrt`
7×	`add-cube-cbrt` `*-un-lft-identity`
6×	`cbrt-div`
4×	`pow1` `add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u` `add-log-exp`
3×	`flip3--` `pow1/3` `flip--` `difference-of-squares`
1×	`fma-udef`

Counts

4 → 58

Calls

4 calls:

2.0ms	(cbrt (- t (* z z)))
2.0ms	(cbrt (- t (* z z)))
2.0ms	(cbrt (- t (* z z)))
0.0ms	(fma (- z) z (* z z))

series1.0s

Counts

4 → 12

Calls

4 calls:

325.0ms	(cbrt (- t (* z z)))
322.0ms	(cbrt (- t (* z z)))
310.0ms	(cbrt (- t (* z z)))
58.0ms	(fma (- z) z (* z z))

simplify59.0ms

Algorithm

egg-herbie

Counts

70 → 70

Iterations

Useful iterations: 3 (52.0ms)

Iter	Nodes	Cost
0	176	443
1	423	415
2	1390	406
3	5002	395

prune414.0ms

Filtered

70 candidates to 65 candidates (92.9%)

Pruning

10 alts after pruning (6 fresh and 4 done)

Merged error: 2.8b

regimes328.0ms

Accuracy

87% (0.4b remaining)

Error of 2.9b against oracle of 2.4b and baseline of 5.7b

bsearch1.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	30	20
1	30	20

end0.0ms

sample893.0ms

Algorithm

intervals

Results

487.0ms

15668×

body

valid