Details

sample30.0ms

Algorithm

intervals

Results

10.0ms	256×	pre	80	true
6.0ms	256×	body	80	valid

simplify19.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (2.0ms)

Iter	Nodes	Cost
0	17	4
1	53	4
2	151	4
3	313	4
4	419	4
5	425	4
6	425	4

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.6b

localize6.0ms

Local error

Found 2 expressions with local error:

0.4b	(+ b (+ c d))
2.6b	(+ a (+ b (+ c d)))

rewrite32.0ms

Algorithm

rewrite-expression-head

Rules

18×	`*-un-lft-identity`
16×	`add-log-exp`
9×	`sum-log` `distribute-lft-out`
6×	`fma-def`
4×	`add-sqr-sqrt` `add-cube-cbrt`
2×	`pow1` `add-exp-log` `+-commutative` `expm1-log1p-u` `associate-+r+` `flip3-+` `add-cbrt-cube` `flip-+` `log1p-expm1-u`

Counts

2 → 42

Calls

2 calls:

7.0ms	(+ b (+ c d))
21.0ms	(+ a (+ b (+ c d)))

series43.0ms

Counts

2 → 6

Calls

2 calls:

14.0ms	(+ b (+ c d))
29.0ms	(+ a (+ b (+ c d)))

simplify83.0ms

Algorithm

egg-herbie

Counts

48 → 48

Iterations

Useful iterations: 1 (5.0ms)

Iter	Nodes	Cost
0	180	164
1	707	155
2	4320	155
3	5001	155

prune103.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.1b

localize6.0ms

Local error

Found 1 expressions with local error:

2.6b	(+ a (+ (+ b c) d))

rewrite33.0ms

Algorithm

rewrite-expression-head

Rules

11×	`*-un-lft-identity`
10×	`add-log-exp`
6×	`sum-log` `distribute-lft-out`
3×	`fma-def`
2×	`add-sqr-sqrt` `add-cube-cbrt`
1×	`pow1` `add-exp-log` `+-commutative` `expm1-log1p-u` `associate-+r+` `flip3-+` `add-cbrt-cube` `flip-+` `log1p-expm1-u`

Counts

1 → 22

Calls

1 calls:

33.0ms

(+ a (+ (+ b c) d))

series28.0ms

Counts

1 → 3

Calls

1 calls:

28.0ms

(+ a (+ (+ b c) d))

simplify64.0ms

Algorithm

egg-herbie

Counts

25 → 25

Iterations

Useful iterations: 1 (4.0ms)

Iter	Nodes	Cost
0	117	100
1	484	92
2	3174	92
3	5002	92

prune68.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 1.9b

localize6.0ms

Local error

Found 1 expressions with local error:

2.6b	(+ (+ a (+ b c)) d)

rewrite52.0ms

Algorithm

rewrite-expression-head

Rules

16×	`*-un-lft-identity`
10×	`add-log-exp`
9×	`distribute-lft-out`
6×	`sum-log`
5×	`fma-def`
2×	`add-sqr-sqrt` `add-cube-cbrt`
1×	`pow1` `add-exp-log` `+-commutative` `expm1-log1p-u` `associate-+l+` `flip3-+` `add-cbrt-cube` `flip-+` `log1p-expm1-u`

Counts

1 → 24

Calls

1 calls:

52.0ms

(+ (+ a (+ b c)) d)

series28.0ms

Counts

1 → 3

Calls

1 calls:

28.0ms

(+ (+ a (+ b c)) d)

simplify55.0ms

Algorithm

egg-herbie

Counts

27 → 27

Iterations

Useful iterations: 3 (52.0ms)

Iter	Nodes	Cost
0	111	102
1	414	94
2	2586	93
3	5001	92

prune71.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 1.6b

localize10.0ms

Local error

Found 2 expressions with local error:

0.9b	(log (exp (+ (+ a (+ b c)) d)))
2.6b	(+ (+ a (+ b c)) d)

rewrite190.0ms

Algorithm

rewrite-expression-head

Rules

28×	`*-un-lft-identity`
15×	`distribute-lft-out`
11×	`add-log-exp`
7×	`log-pow`
6×	`exp-prod` `sum-log`
5×	`add-sqr-sqrt` `add-cube-cbrt` `fma-def`
4×	`log-prod`
3×	`pow1`
2×	`add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u`
1×	`+-commutative` `associate-+l+` `flip3-+` `rem-log-exp` `exp-sum` `flip-+`

Counts

2 → 45

Calls

2 calls:

126.0ms	(log (exp (+ (+ a (+ b c)) d)))
62.0ms	(+ (+ a (+ b c)) d)

series58.0ms

Counts

2 → 6

Calls

2 calls:

28.0ms	(log (exp (+ (+ a (+ b c)) d)))
30.0ms	(+ (+ a (+ b c)) d)

simplify58.0ms

Algorithm

egg-herbie

Counts

51 → 51

Iterations

Useful iterations: 3 (54.0ms)

Iter	Nodes	Cost
0	144	208
1	554	187
2	3150	187
3	5001	185

prune87.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 1.4b

regimes362.0ms

Accuracy

0% (1.2b remaining)

Error of 2.8b against oracle of 1.6b and baseline of 2.8b

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	13	4
1	13	4

end0.0ms

sample762.0ms

Algorithm

intervals

Results

339.0ms	8000×	pre	80	true
210.0ms	8000×	body	80	valid