Details

sample59.0ms

Algorithm

intervals

Results

34.0ms	72×	body	1280	valid
11.0ms	53×	body	640	valid
2.0ms	25×	body	320	valid
2.0ms	92×	body	80	valid
1.0ms	102×	body	80	nan
1.0ms	14×	body	160	valid

simplify7.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	5	2
1	5	2

prune2.0ms

Filtered

1 candidates to 0 candidates (0.0%)

Pruning

2 alts after pruning (2 fresh and 0 done)

	Kept	Total
New	1	1
Fresh	1	1
Picked	0	0
Done	0	0
Total	2	2

Merged error: 38.8b

Counts

2 → 1

localize3.0ms

Local error

Found 1 expressions with local error:

4.3b	(log (+ 1.0 x))

rewrite3.0ms

Algorithm

rewrite-expression-head

Rules

4×	`log-prod` `*-un-lft-identity`
2×	`pow1` `add-exp-log` `add-sqr-sqrt` `add-cube-cbrt` `log-div`
1×	`expm1-log1p-u` `flip3-+` `rem-log-exp` `log-pow` `add-cbrt-cube` `flip-+` `log1p-expm1-u` `distribute-lft-out` `add-log-exp`

Counts

1 → 17

Calls

1 calls:

3.0ms

(log (+ 1.0 x))

series39.0ms

Counts

1 → 3

Calls

1 calls:

39.0ms

(log (+ 1.0 x))

simplify39.0ms

Algorithm

egg-herbie

Counts

20 → 20

Iterations

Useful iterations: 3 (36.0ms)

Iter	Nodes	Cost
0	131	99
1	363	89
2	1292	86
3	5002	81

prune47.0ms

Filtered

20 candidates to 15 candidates (75.0%)

Pruning

5 alts after pruning (5 fresh and 0 done)

	Pruned	Kept	Total
New	15	5	20
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	16	5	21

Merged error: 0.2b

Counts

21 → 5

localize10.0ms

Local error

Found 1 expressions with local error:

0.2b	(* 1/2 (/ (pow x 2) (pow 1.0 2)))

rewrite26.0ms

Algorithm

rewrite-expression-head

Rules

80×	`times-frac`
69×	`add-sqr-sqrt`
68×	`associate-r`
56×	`unpow-prod-down`
35×	`add-cube-cbrt` `*-un-lft-identity`
24×	`add-exp-log` `unpow2` `sqr-pow`
17×	`unswap-sqr`
10×	`prod-exp`
9×	`div-exp`
6×	`pow-to-exp` `pow-exp` `add-cbrt-cube`
3×	`pow1` `associate-l`
2×	`cbrt-unprod`
1×	`cbrt-undiv` `expm1-log1p-u` `associate-r/` `pow-prod-down` `-commutative` `log1p-expm1-u` `div-inv` `add-log-exp`

Counts

1 → 112

Calls

1 calls:

20.0ms

(* 1/2 (/ (pow x 2) (pow 1.0 2)))

series54.0ms

Counts

1 → 3

Calls

1 calls:

54.0ms

(* 1/2 (/ (pow x 2) (pow 1.0 2)))

simplify79.0ms

Algorithm

egg-herbie

Counts

115 → 115

Iterations

Useful iterations: 2 (66.0ms)

Iter	Nodes	Cost
0	535	648
1	2311	536
2	5001	535

prune210.0ms

Filtered

115 candidates to 70 candidates (60.9%)

Pruning

5 alts after pruning (4 fresh and 1 done)

	Pruned	Kept	Total
New	115	0	115
Fresh	0	4	4
Picked	0	1	1
Done	0	0	0
Total	115	5	120

Merged error: 0.2b

Counts

120 → 5

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b	(sqrt (+ 1.0 x))
0.0b	(sqrt (+ 1.0 x))
4.3b	(log (sqrt (+ 1.0 x)))
4.3b	(log (sqrt (+ 1.0 x)))

rewrite17.0ms

Algorithm

rewrite-expression-head

Rules

18×	`*-un-lft-identity`
16×	`add-sqr-sqrt` `sqrt-prod`
14×	`log-prod`
10×	`pow1` `add-cube-cbrt`
8×	`sqrt-div`
6×	`add-exp-log` `log-pow`
4×	`expm1-log1p-u` `log-div` `sqrt-pow1` `flip3-+` `pow1/2` `add-cbrt-cube` `flip-+` `log1p-expm1-u` `distribute-lft-out` `add-log-exp`
2×	`rem-sqrt-square` `rem-log-exp` `hypot-def`

Counts

4 → 82

Calls

4 calls:

3.0ms	(sqrt (+ 1.0 x))
3.0ms	(sqrt (+ 1.0 x))
4.0ms	(log (sqrt (+ 1.0 x)))
4.0ms	(log (sqrt (+ 1.0 x)))

series226.0ms

Counts

4 → 12

Calls

4 calls:

30.0ms	(sqrt (+ 1.0 x))
30.0ms	(sqrt (+ 1.0 x))
82.0ms	(log (sqrt (+ 1.0 x)))
84.0ms	(log (sqrt (+ 1.0 x)))

simplify75.0ms

Algorithm

egg-herbie

Counts

94 → 94

Iterations

Useful iterations: 3 (62.0ms)

Iter	Nodes	Cost
0	187	508
1	531	462
2	2062	442
3	5002	428

prune182.0ms

Filtered

94 candidates to 70 candidates (74.5%)

Pruning

7 alts after pruning (5 fresh and 2 done)

	Pruned	Kept	Total
New	92	2	94
Fresh	0	3	3
Picked	0	1	1
Done	0	1	1
Total	92	7	99

Merged error: 0.2b

Counts

99 → 7

localize9.0ms

Local error

Found 4 expressions with local error:

4.3b	(log (sqrt (+ 1.0 x)))
4.3b	(log (sqrt (+ 1.0 x)))
4.3b	(log (sqrt (+ 1.0 x)))
4.3b	(log (sqrt (+ 1.0 x)))

rewrite22.0ms

Algorithm

rewrite-expression-head

Rules

28×	`log-prod`
20×	`*-un-lft-identity`
16×	`sqrt-prod`
12×	`pow1` `add-sqr-sqrt` `add-cube-cbrt` `log-pow`
8×	`add-exp-log` `log-div` `sqrt-div`
4×	`expm1-log1p-u` `sqrt-pow1` `flip3-+` `pow1/2` `rem-log-exp` `add-cbrt-cube` `flip-+` `log1p-expm1-u` `distribute-lft-out` `add-log-exp`

Counts

4 → 88

Calls

4 calls:

4.0ms	(log (sqrt (+ 1.0 x)))
4.0ms	(log (sqrt (+ 1.0 x)))
4.0ms	(log (sqrt (+ 1.0 x)))
4.0ms	(log (sqrt (+ 1.0 x)))

series319.0ms

Counts

4 → 12

Calls

4 calls:

80.0ms	(log (sqrt (+ 1.0 x)))
76.0ms	(log (sqrt (+ 1.0 x)))
80.0ms	(log (sqrt (+ 1.0 x)))
82.0ms	(log (sqrt (+ 1.0 x)))

simplify52.0ms

Algorithm

egg-herbie

Counts

100 → 100

Iterations

Useful iterations: 3 (39.0ms)

Iter	Nodes	Cost
0	143	628
1	362	568
2	1284	544
3	5002	528

prune213.0ms

Filtered

100 candidates to 72 candidates (72.0%)

Pruning

7 alts after pruning (5 fresh and 2 done)

	Pruned	Kept	Total
New	99	1	100
Fresh	0	4	4
Picked	1	0	1
Done	0	2	2
Total	100	7	107

Merged error: 0.2b

Counts

107 → 7

regimes102.0ms

Accuracy

97.4% (0.6b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 21.7b

bsearch1.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	20	15
1	20	15

end0.0ms

sample1.7s

Algorithm

intervals

Results

1.0s	2307×	body	1280	valid
340.0ms	1657×	body	640	valid
88.0ms	821×	body	320	valid
58.0ms	2816×	body	80	valid
36.0ms	2604×	body	80	nan
23.0ms	399×	body	160	valid