Details

sample34.0ms

Algorithm

intervals

Results

11.0ms	77×	body	1280	valid
4.0ms	31×	body	320	valid
4.0ms	49×	body	640	valid
4.0ms	182×	body	80	valid
1.0ms	13×	body	160	valid

simplify62.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	11	3
1	18	3
2	27	3
3	50	3
4	115	3
5	329	3
6	1642	3
7	5001	3

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.3b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b	(exp (* a x))
3.0b	(- (exp (* a x)) 1.0)

rewrite7.0ms

Algorithm

rewrite-expression-head

Rules

11×	`add-sqr-sqrt` `*-un-lft-identity`
9×	`add-cube-cbrt` `prod-diff`
6×	`add-log-exp`
3×	`fma-neg`
2×	`pow1` `add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u`
1×	`sub-neg` `exp-prod` `flip3--` `exp-to-pow` `diff-log` `flip--` `rem-exp-log` `distribute-lft-out--` `difference-of-squares`

Counts

2 → 40

Calls

2 calls:

1.0ms	(exp (* a x))
5.0ms	(- (exp (* a x)) 1.0)

series46.0ms

Counts

2 → 6

Calls

2 calls:

13.0ms	(exp (* a x))
34.0ms	(- (exp (* a x)) 1.0)

simplify83.0ms

Algorithm

egg-herbie

Counts

46 → 46

Iterations

Useful iterations: 3 (79.0ms)

Iter	Nodes	Cost
0	173	292
1	562	211
2	2710	200
3	5002	164

prune94.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 9.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b	(fma 1/6 (* (pow a 3) (pow x 3)) (* a x))
13.1b	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (* (pow a 3) (pow x 3)) (* a x)))
17.2b	(* (pow a 2) (pow x 2))
17.7b	(* (pow a 3) (pow x 3))

rewrite28.0ms

Algorithm

rewrite-expression-head

Rules

54×	`add-sqr-sqrt`
32×	`unswap-sqr`
28×	`add-exp-log` `unpow-prod-down`
20×	`associate-r` `associate-l` `sqr-pow`
18×	`prod-exp`
14×	`add-cube-cbrt` `*-un-lft-identity` `cube-prod`
12×	`pow-to-exp` `pow-exp`
10×	`unpow2`
8×	`add-cbrt-cube`
4×	`pow1` `expm1-log1p-u` `log1p-expm1-u` `add-log-exp`
2×	`cube-mult` `unpow3` `pow-prod-down` `*-commutative` `cbrt-unprod` `fma-udef`

Counts

4 → 134

Calls

4 calls:

0.0ms	(fma 1/6 (* (pow a 3) (pow x 3)) (* a x))
0.0ms	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (* (pow a 3) (pow x 3)) (* a x)))
9.0ms	(* (pow a 2) (pow x 2))
14.0ms	(* (pow a 3) (pow x 3))

series304.0ms

Counts

4 → 12

Calls

4 calls:

107.0ms	(fma 1/6 (* (pow a 3) (pow x 3)) (* a x))
101.0ms	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (* (pow a 3) (pow x 3)) (* a x)))
30.0ms	(* (pow a 2) (pow x 2))
65.0ms	(* (pow a 3) (pow x 3))

simplify76.0ms

Algorithm

egg-herbie

Counts

146 → 146

Iterations

Useful iterations: 2 (62.0ms)

Iter	Nodes	Cost
0	369	856
1	2006	710
2	5002	703

prune350.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b	(fma 1/6 (pow (* a x) 3) (* a x))
0.2b	(pow (* a x) 3)
13.1b	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (pow (* a x) 3) (* a x)))
17.2b	(* (pow a 2) (pow x 2))

rewrite14.0ms

Algorithm

rewrite-expression-head

Rules

25×	`add-sqr-sqrt`
19×	`add-exp-log`
16×	`unswap-sqr`
15×	`unpow-prod-down`
11×	`sqr-pow`
10×	`prod-exp` `unpow2`
9×	`add-cube-cbrt` `*-un-lft-identity` `add-cbrt-cube`
8×	`associate-r` `associate-l` `pow-exp`
7×	`pow1` `pow-to-exp`
4×	`expm1-log1p-u` `log1p-expm1-u` `add-log-exp`
3×	`pow-unpow`
2×	`pow-pow` `pow-prod-down` `cbrt-unprod` `fma-udef` `rem-cube-cbrt`
1×	`cube-mult` `unpow3` `cube-prod` `*-commutative`

Counts

4 → 97

Calls

4 calls:

0.0ms	(fma 1/6 (pow (* a x) 3) (* a x))
2.0ms	(pow (* a x) 3)
0.0ms	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (pow (* a x) 3) (* a x)))
9.0ms	(* (pow a 2) (pow x 2))

series263.0ms

Counts

4 → 12

Calls

4 calls:

92.0ms	(fma 1/6 (pow (* a x) 3) (* a x))
50.0ms	(pow (* a x) 3)
89.0ms	(fma 1/2 (* (pow a 2) (pow x 2)) (fma 1/6 (pow (* a x) 3) (* a x)))
32.0ms	(* (pow a 2) (pow x 2))

simplify49.0ms

Algorithm

egg-herbie

Counts

109 → 109

Iterations

Useful iterations: 2 (42.0ms)

Iter	Nodes	Cost
0	278	510
1	1231	418
2	5001	414

prune274.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b	(pow (* a x) 3)
0.2b	(pow (* x a) 2)
4.4b	(fma 1/2 (pow (* x a) 2) (* x a))
13.1b	(fma 1/6 (pow (* a x) 3) (fma 1/2 (pow (* x a) 2) (* x a)))

rewrite7.0ms

Algorithm

rewrite-expression-head

Rules

10×	`pow1` `add-exp-log`
7×	`add-cbrt-cube`
6×	`add-sqr-sqrt` `add-cube-cbrt` `pow-unpow` `*-un-lft-identity`
4×	`expm1-log1p-u` `pow-pow` `pow-exp` `log1p-expm1-u` `add-log-exp`
2×	`pow-to-exp` `unpow-prod-down` `pow-prod-down` `prod-exp` `fma-udef` `rem-cube-cbrt` `sqr-pow`
1×	`cube-mult` `unpow3` `cube-prod` `cbrt-unprod` `unpow2`

Counts

4 → 64

Calls

4 calls:

2.0ms	(pow (* a x) 3)
2.0ms	(pow (* x a) 2)
0.0ms	(fma 1/2 (pow (* x a) 2) (* x a))
0.0ms	(fma 1/6 (pow (* a x) 3) (fma 1/2 (pow (* x a) 2) (* x a)))

series214.0ms

Counts

4 → 12

Calls

4 calls:

50.0ms	(pow (* a x) 3)
22.0ms	(pow (* x a) 2)
55.0ms	(fma 1/2 (pow (* x a) 2) (* x a))
86.0ms	(fma 1/6 (pow (* a x) 3) (fma 1/2 (pow (* x a) 2) (* x a)))

simplify35.0ms

Algorithm

egg-herbie

Counts

76 → 76

Iterations

Useful iterations: 1 (6.0ms)

Iter	Nodes	Cost
0	176	316
1	773	281
2	5002	281

prune190.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

regimes173.0ms

Accuracy

98.6% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.5b

bsearch1.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	22	13
1	22	13

end0.0ms

sample906.0ms

Algorithm

intervals

Results

419.0ms	2663×	body	1280	valid
130.0ms	1326×	body	640	valid
105.0ms	5661×	body	80	valid
49.0ms	790×	body	320	valid
16.0ms	387×	body	160	valid