Details

sample25.0ms

Algorithm

intervals

Results

6.0ms	256×	pre	80	true
5.0ms	256×	body	80	valid

simplify160.0ms

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	9	9
1	17	9
2	51	9
3	132	9
4	232	9
5	300	9
6	302	9
done	302	9

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))
2.8b	(+ a (+ b (+ c d)))

rewrite34.0ms

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:

8.0ms	(+ b (+ c d))
25.0ms	(+ a (+ b (+ c d)))

series48.0ms

Counts

2 → 6

Calls

2 calls:

16.0ms	(+ b (+ c d))
32.0ms	(+ a (+ b (+ c d)))

simplify910.0ms

Counts

48 → 48

Iterations

Useful iterations: 2 (48.0ms)

Iter	Nodes	Cost
0	60	378
1	181	347
2	616	333
3	3129	333
done	5001	333

prune114.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.3b

localize6.0ms

Local error

Found 1 expressions with local error:

2.8b	(+ 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:

32.0ms

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

series33.0ms

Counts

1 → 3

Calls

1 calls:

33.0ms

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

simplify696.0ms

Counts

25 → 25

Iterations

Useful iterations: 2 (30.0ms)

Iter	Nodes	Cost
0	41	223
1	118	210
2	435	196
3	2342	196
done	5001	196

prune70.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.1b

localize6.0ms

Local error

Found 1 expressions with local error:

2.8b	(+ (+ a (+ b c)) d)

rewrite56.0ms

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:

55.0ms

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

series32.0ms

Counts

1 → 3

Calls

1 calls:

32.0ms

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

simplify603.0ms

Counts

27 → 27

Iterations

Useful iterations: 3 (144.0ms)

Iter	Nodes	Cost
0	41	223
1	112	214
2	375	200
3	1879	196
done	5000	196

prune73.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 1.8b

localize9.0ms

Local error

Found 2 expressions with local error:

0.6b	(cbrt (pow (+ (+ a (+ b c)) d) 3))
2.8b	(+ (+ a (+ b c)) d)

rewrite113.0ms

Algorithm

rewrite-expression-head

Rules

38×	`*-un-lft-identity`
21×	`distribute-lft-out`
18×	`cbrt-prod`
11×	`add-log-exp`
6×	`add-sqr-sqrt` `add-cube-cbrt` `unpow-prod-down` `cube-prod` `sum-log`
5×	`fma-def`
2×	`pow1` `add-exp-log` `cube-div` `expm1-log1p-u` `cbrt-div` `flip3-+` `add-cbrt-cube` `flip-+` `log1p-expm1-u`
1×	`+-commutative` `cube-mult` `associate-+l+` `pow1/3` `unpow3` `rem-cbrt-cube` `sqr-pow`

Counts

2 → 55

Calls

2 calls:

57.0ms	(cbrt (pow (+ (+ a (+ b c)) d) 3))
54.0ms	(+ (+ a (+ b c)) d)

series87.0ms

Counts

2 → 6

Calls

2 calls:

56.0ms	(cbrt (pow (+ (+ a (+ b c)) d) 3))
31.0ms	(+ (+ a (+ b c)) d)

simplify1.7s

Counts

61 → 61

Iterations

Useful iterations: 3 (388.0ms)

Iter	Nodes	Cost
0	86	805
1	222	622
2	796	585
3	4514	575
done	5000	575

prune104.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 1.7b

regimes440.0ms

Accuracy

0% (1.1b remaining)

Error of 2.8b against oracle of 1.7b and baseline of 2.8b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	9	9
1	13	9
done	13	9

end0.0ms

sample561.0ms

Algorithm

intervals

Results

185.0ms	8000×	pre	80	true
168.0ms	8000×	body	80	valid