Details

sample73.0ms

Algorithm

intervals

Results

31.0ms	97×	body	1280	valid
16.0ms	78×	body	640	valid
7.0ms	234×	body	80	overflowed
6.0ms	45×	body	320	valid
1.0ms	17×	body	160	valid
1.0ms	19×	body	80	valid

simplify45.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	15	9
1	24	9
2	32	9
3	44	9
4	59	9
5	174	9
6	1153	9
7	5001	9

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: 56.8b

Counts

2 → 1

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b	(+ (exp x) (exp (- x)))
1.0b	(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.9b	(- (exp x) (exp (- x)))

rewrite24.0ms

Algorithm

rewrite-expression-head

Rules

40×	`*-un-lft-identity`
26×	`add-sqr-sqrt`
20×	`times-frac`
14×	`add-cube-cbrt`
7×	`distribute-lft-out` `add-log-exp`
6×	`distribute-lft-out--` `difference-of-squares`
5×	`add-exp-log` `add-cbrt-cube` `associate-/l*`
4×	`associate-/r*`
3×	`pow1`
2×	`flip3--` `flip3-+` `associate-/r/` `flip--` `flip-+` `associate-/l/`
1×	`cbrt-undiv` `+-commutative` `sub-neg` `frac-2neg` `diff-log` `div-sub` `tanh-undef` `div-exp` `clear-num` `sum-log` `div-inv`

Counts

3 → 73

Calls

3 calls:

5.0ms	(+ (exp x) (exp (- x)))
11.0ms	(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.0ms	(- (exp x) (exp (- x)))

series137.0ms

Counts

3 → 9

Calls

3 calls:

22.0ms	(+ (exp x) (exp (- x)))
75.0ms	(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
40.0ms	(- (exp x) (exp (- x)))

simplify234.0ms

Algorithm

egg-herbie

Counts

82 → 82

Iterations

Useful iterations: 2 (26.0ms)

Iter	Nodes	Cost
0	281	936
1	947	870
2	4970	860
3	5003	860

prune159.0ms

Filtered

82 candidates to 60 candidates (73.2%)

Pruning

3 alts after pruning (3 fresh and 0 done)

	Pruned	Kept	Total
New	79	3	82
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	80	3	83

Merged error: 0b

Counts

83 → 3

localize2.0ms

Local error

Found 1 expressions with local error:

0.0b

(tanh x)

rewrite5.0ms

Algorithm

rewrite-expression-head

Rules

1×	`pow1` `add-exp-log` `add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity` `add-cbrt-cube` `tanh-def` `add-log-exp`

Counts

1 → 10

Calls

1 calls:

4.0ms

(tanh x)

series70.0ms

Counts

1 → 3

Calls

1 calls:

70.0ms

(tanh x)

simplify71.0ms

Algorithm

egg-herbie

Counts

13 → 13

Iterations

Useful iterations: 1 (3.0ms)

Iter	Nodes	Cost
0	91	48
1	195	45
2	599	45
3	2891	45
4	5002	45

prune24.0ms

Filtered

13 candidates to 10 candidates (76.9%)

Pruning

3 alts after pruning (2 fresh and 1 done)

	Pruned	Kept	Total
New	12	1	13
Fresh	1	1	2
Picked	0	1	1
Done	0	0	0
Total	13	3	16

Merged error: 0b

Counts

16 → 3

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b	(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
0.0b	(+ x (* 2/15 (pow x 5)))
0.1b	(* 2/15 (pow x 5))
0.1b	(* 1/3 (pow x 3))

rewrite23.0ms

Algorithm

rewrite-expression-head

Rules

23×	`add-sqr-sqrt`
19×	`associate-r`
14×	`add-exp-log`
11×	`add-cube-cbrt` `*-un-lft-identity` `add-log-exp`
8×	`unpow-prod-down` `add-cbrt-cube`
7×	`unswap-sqr`
6×	`associate-l` `prod-exp`
4×	`pow1` `cube-prod` `sqr-pow`
2×	`pow-to-exp` `diff-log` `pow-exp` `sum-log` `*-commutative` `cbrt-unprod`
1×	`+-commutative` `cube-mult` `sub-neg` `flip3--` `flip3-+` `unpow3` `associate--l+` `flip--` `flip-+`

Counts

4 → 81

Calls

4 calls:

6.0ms	(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
3.0ms	(+ x (* 2/15 (pow x 5)))
5.0ms	(* 2/15 (pow x 5))
6.0ms	(* 1/3 (pow x 3))

series254.0ms

Counts

4 → 12

Calls

4 calls:

55.0ms	(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
115.0ms	(+ x (* 2/15 (pow x 5)))
45.0ms	(* 2/15 (pow x 5))
39.0ms	(* 1/3 (pow x 3))

simplify49.0ms

Algorithm

egg-herbie

Counts

93 → 93

Iterations

Useful iterations: 2 (41.0ms)

Iter	Nodes	Cost
0	314	427
1	1376	401
2	5001	396

prune153.0ms

Filtered

93 candidates to 59 candidates (63.4%)

Pruning

3 alts after pruning (1 fresh and 2 done)

	Pruned	Kept	Total
New	93	0	93
Fresh	0	1	1
Picked	0	1	1
Done	0	1	1
Total	93	3	96

Merged error: 0b

Counts

96 → 3

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b	(+ (exp (* 2 x)) 1)
0.5b	(/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
5.9b	(- (exp (* 2 x)) 1)

rewrite21.0ms

Algorithm

rewrite-expression-head

Rules

52×	`*-un-lft-identity`
40×	`add-sqr-sqrt`
28×	`times-frac`
16×	`add-cube-cbrt`
12×	`difference-of-squares`
9×	`distribute-lft-out`
7×	`associate-/l*` `add-log-exp`
6×	`difference-of-sqr-1` `distribute-lft-out--`
5×	`add-exp-log` `add-cbrt-cube`
4×	`associate-/r*`
3×	`pow1`
2×	`flip3--` `flip3-+` `associate-/r/` `flip--` `flip-+` `associate-/l/`
1×	`cbrt-undiv` `+-commutative` `sub-neg` `frac-2neg` `diff-log` `div-sub` `div-exp` `clear-num` `sum-log` `div-inv`

Counts

3 → 84

Calls

3 calls:

4.0ms	(+ (exp (* 2 x)) 1)
9.0ms	(/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
4.0ms	(- (exp (* 2 x)) 1)

series77.0ms

Counts

3 → 9

Calls

3 calls:

9.0ms	(+ (exp (* 2 x)) 1)
52.0ms	(/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
16.0ms	(- (exp (* 2 x)) 1)

simplify37.0ms

Algorithm

egg-herbie

Counts

93 → 93

Iterations

Useful iterations: 2 (27.0ms)

Iter	Nodes	Cost
0	270	910
1	1067	846
2	5002	842

prune109.0ms

Filtered

93 candidates to 55 candidates (59.1%)

Pruning

3 alts after pruning (0 fresh and 3 done)

	Pruned	Kept	Total
New	93	0	93
Fresh	0	0	0
Picked	0	1	1
Done	0	2	2
Total	93	3	96

Merged error: 0b

Counts

96 → 3

regimes15.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	2	1

end0.0ms

sample2.2s

Algorithm

intervals

Results

1.1s	3263×	body	1280	valid
490.0ms	2430×	body	640	valid
237.0ms	7416×	body	80	overflowed
156.0ms	1226×	body	320	valid
53.0ms	645×	body	160	valid
18.0ms	436×	body	80	valid