Details

sample113.0ms

Algorithm

intervals

Results

35.0ms	78×	body	10240	exit
26.0ms	61×	body	1280	valid
18.0ms	331×	body	80	valid
12.0ms	43×	body	640	valid
3.0ms	18×	body	320	valid
2.0ms	15×	body	160	valid

simplify36.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 4 (35.0ms)

Iter	Nodes	Cost
0	46	16
1	122	16
2	347	16
3	1295	16
4	5001	15

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 32.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b	(exp (- (* (- 1.0 eps) x)))
0.0b	(* (+ 1.0 eps) x)
0.0b	(exp (- (* (+ 1.0 eps) x)))
3.6b	(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

rewrite52.0ms

Algorithm

rewrite-expression-head

Rules

81×	`frac-sub`
74×	`exp-neg`
72×	`frac-times`
56×	`neg-sub0` `exp-diff`
38×	`associate-*l/`
36×	`associate-*r/`
28×	`flip3--` `flip3-+` `flip--` `flip-+`
18×	`un-div-inv`
12×	`exp-prod`
10×	`add-sqr-sqrt` `*-un-lft-identity` `add-log-exp`
8×	`add-cube-cbrt`
6×	`pow1` `add-exp-log` `add-cbrt-cube`
4×	`associate-l` `rem-exp-log`
3×	`associate-r`
2×	`distribute-lft-neg-in` `neg-mul-1` `distribute-rgt-neg-in` `neg-log`
1×	`sub-neg` `diff-log` `pow-prod-down` `prod-exp` `*-commutative` `cbrt-unprod` `distribute-lft-out` `unswap-sqr`

Counts

4 → 148

Calls

4 calls:

4.0ms	(exp (- (* (- 1.0 eps) x)))
9.0ms	(* (+ 1.0 eps) x)
6.0ms	(exp (- (* (+ 1.0 eps) x)))
25.0ms	(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

series276.0ms

Counts

4 → 12

Calls

4 calls:

26.0ms	(exp (- (* (- 1.0 eps) x)))
30.0ms	(* (+ 1.0 eps) x)
26.0ms	(exp (- (* (+ 1.0 eps) x)))
193.0ms	(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

simplify136.0ms

Algorithm

egg-herbie

Counts

160 → 160

Iterations

Useful iterations: 2 (106.0ms)

Iter	Nodes	Cost
0	1177	3664
1	4380	3403
2	5002	3392

prune388.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 1.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b	(+ (* 0.6666666666666667 (pow x 3)) 2.0)
0.1b	(* 0.6666666666666667 (pow x 3))
4.8b	(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

rewrite41.0ms

Algorithm

rewrite-expression-head

Rules

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

Counts

3 → 56

Calls

3 calls:

3.0ms	(+ (* 0.6666666666666667 (pow x 3)) 2.0)
6.0ms	(* 0.6666666666666667 (pow x 3))
29.0ms	(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

series154.0ms

Counts

3 → 9

Calls

3 calls:

76.0ms	(+ (* 0.6666666666666667 (pow x 3)) 2.0)
39.0ms	(* 0.6666666666666667 (pow x 3))
38.0ms	(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

simplify38.0ms

Algorithm

egg-herbie

Counts

65 → 65

Iterations

Useful iterations: 2 (33.0ms)

Iter	Nodes	Cost
0	251	336
1	1024	311
2	5002	307

prune165.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 1.0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.1b	(* 0.6666666666666667 (pow x 3))
4.8b	(+ (* 0.6666666666666667 (pow x 3)) (- 2.0 (* 1.0 (pow x 2))))

rewrite14.0ms

Algorithm

rewrite-expression-head

Rules

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

Counts

2 → 46

Calls

2 calls:

6.0ms	(* 0.6666666666666667 (pow x 3))
6.0ms	(+ (* 0.6666666666666667 (pow x 3)) (- 2.0 (* 1.0 (pow x 2))))

series77.0ms

Counts

2 → 6

Calls

2 calls:

39.0ms	(* 0.6666666666666667 (pow x 3))
38.0ms	(+ (* 0.6666666666666667 (pow x 3)) (- 2.0 (* 1.0 (pow x 2))))

simplify35.0ms

Algorithm

egg-herbie

Counts

52 → 52

Iterations

Useful iterations: 2 (30.0ms)

Iter	Nodes	Cost
0	203	267
1	840	244
2	5002	243

prune126.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 1.0b

localize17.0ms

Local error

Found 4 expressions with local error:

4.8b	(+ (* (* (cbrt (* 0.6666666666666667 (pow x 3))) (cbrt (* 0.6666666666666667 (pow x 3)))) (cbrt (* 0.6666666666666667 (pow x 3)))) (- 2.0 (* 1.0 (pow x 2))))
41.0b	(cbrt (* 0.6666666666666667 (pow x 3)))
41.0b	(cbrt (* 0.6666666666666667 (pow x 3)))
41.0b	(cbrt (* 0.6666666666666667 (pow x 3)))

rewrite24.0ms

Algorithm

rewrite-expression-head

Rules

9×	`add-log-exp`
4×	`pow1` `add-exp-log` `add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity` `add-cbrt-cube`
3×	`cbrt-prod` `pow1/3`
2×	`associate-+r+` `sum-log`
1×	`+-commutative` `associate-+r-` `sub-neg` `flip3-+` `diff-log` `flip-+`

Counts

4 → 42

Calls

4 calls:

17.0ms	(+ (* (* (cbrt (* 0.6666666666666667 (pow x 3))) (cbrt (* 0.6666666666666667 (pow x 3)))) (cbrt (* 0.6666666666666667 (pow x 3)))) (- 2.0 (* 1.0 (pow x 2))))
2.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))
2.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))
2.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))

series178.0ms

Counts

4 → 12

Calls

4 calls:

68.0ms	(+ (* (* (cbrt (* 0.6666666666666667 (pow x 3))) (cbrt (* 0.6666666666666667 (pow x 3)))) (cbrt (* 0.6666666666666667 (pow x 3)))) (- 2.0 (* 1.0 (pow x 2))))
34.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))
39.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))
36.0ms	(cbrt (* 0.6666666666666667 (pow x 3)))

simplify91.0ms

Algorithm

egg-herbie

Counts

54 → 54

Iterations

Useful iterations: 2 (15.0ms)

Iter	Nodes	Cost
0	137	496
1	428	367
2	2454	317
3	5003	317

prune167.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 1.0b

regimes81.0ms

Accuracy

96.5% (0.5b remaining)

Error of 1.0b against oracle of 0.5b and baseline of 16.4b

bsearch138.0ms

Steps

Iters	Range		Point
8	1.1588875362171251	7686.007879781806	95.54164031582988

simplify2.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	72	66
1	88	66
2	88	66

end0.0ms

sample2.9s

Algorithm

intervals

Results

805.0ms	1963×	body	10240	exit
762.0ms	1763×	body	1280	valid
553.0ms	9939×	body	80	valid
324.0ms	1288×	body	640	valid
101.0ms	614×	body	320	valid
36.0ms	338×	body	160	valid