Details

sample31.0ms

Algorithm

intervals

Results

18.0ms	256×	body	80	valid
4.0ms	256×	pre	80	true

simplify33.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 3 (31.0ms)

Iter	Nodes	Cost
0	32	12
1	172	11
2	974	9
3	5001	8

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
16.5b	(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite38.0ms

Algorithm

rewrite-expression-head

Rules

23×	`add-exp-log` `add-cbrt-cube`
9×	`prod-exp` `cbrt-unprod`
6×	`cbrt-undiv` `div-exp`
4×	`add-sqr-sqrt` `add-log-exp`
3×	`add-cube-cbrt` `*-un-lft-identity` `prod-diff`
2×	`pow1` `expm1-log1p-u` `flip3--` `associate-*l/` `associate-/r/` `flip--` `log1p-expm1-u`
1×	`sub-neg` `frac-2neg` `times-frac` `fma-neg` `diff-log` `clear-num` `associate-/r` `div-inv` `associate-/l` `difference-of-squares`

Counts

2 → 48

Calls

2 calls:

12.0ms	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
21.0ms	(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series139.0ms

Counts

2 → 6

Calls

2 calls:

56.0ms	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
83.0ms	(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify52.0ms

Algorithm

egg-herbie

Counts

54 → 54

Iterations

Useful iterations: 2 (46.0ms)

Iter	Nodes	Cost
0	390	550
1	1886	402
2	5001	398

prune95.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
0.1b	(* (/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (/ i (* 2.0 2.0)))
15.9b	(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

rewrite91.0ms

Algorithm

rewrite-expression-head

Rules

41×	`add-sqr-sqrt`
31×	`times-frac`
26×	`add-exp-log` `add-cbrt-cube`
23×	`add-cube-cbrt` `*-un-lft-identity`
18×	`associate-l`
8×	`cbrt-undiv` `div-exp` `prod-exp` `cbrt-unprod` `difference-of-squares`
7×	`associate-r`
5×	`pow1` `add-log-exp`
4×	`associate-/r*` `associate-/r/` `unswap-sqr`
3×	`expm1-log1p-u` `flip3--` `prod-diff` `flip--` `log1p-expm1-u` `div-inv` `associate-/l*`
1×	`frac-times` `sub-neg` `frac-2neg` `fma-neg` `diff-log` `associate-r/` `pow-prod-down` `associate-l/` `clear-num` `*-commutative`

Counts

3 → 109

Calls

3 calls:

11.0ms	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
55.0ms	(* (/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (/ i (* 2.0 2.0)))
21.0ms	(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

series224.0ms

Counts

3 → 9

Calls

3 calls:

58.0ms	(- (* (* 2.0 i) (* 2.0 i)) 1.0)
82.0ms	(* (/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (/ i (* 2.0 2.0)))
83.0ms	(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

simplify73.0ms

Algorithm

egg-herbie

Counts

118 → 118

Iterations

Useful iterations: 2 (62.0ms)

Iter	Nodes	Cost
0	594	1142
1	2820	976
2	5001	959

prune226.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.2b	(/ 1 (pow i 4))
0.2b	(fma 0.00390625 (/ 1 (pow i 4)) (fma 0.015625 (/ 1 (pow i 2)) 0.0625))
0.3b	(/ 1 (pow i 2))

rewrite12.0ms

Algorithm

rewrite-expression-head

Rules

45×	`times-frac`
36×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
24×	`unpow-prod-down`
21×	`add-exp-log`
15×	`associate-/r*`
12×	`div-exp`
8×	`sqr-pow`
7×	`add-cbrt-cube`
6×	`pow-to-exp` `rec-exp` `1-exp` `pow-exp` `associate-/l*`
4×	`unpow2`
3×	`pow1` `expm1-log1p-u` `log1p-expm1-u` `add-log-exp`
2×	`cbrt-undiv` `pow-flip` `frac-2neg` `clear-num` `div-inv` `inv-pow`
1×	`fma-udef`

Counts

3 → 124

Calls

3 calls:

4.0ms	(/ 1 (pow i 4))
0.0ms	(fma 0.00390625 (/ 1 (pow i 4)) (fma 0.015625 (/ 1 (pow i 2)) 0.0625))
4.0ms	(/ 1 (pow i 2))

series79.0ms

Counts

3 → 9

Calls

3 calls:

27.0ms	(/ 1 (pow i 4))
34.0ms	(fma 0.00390625 (/ 1 (pow i 4)) (fma 0.015625 (/ 1 (pow i 2)) 0.0625))
17.0ms	(/ 1 (pow i 2))

simplify35.0ms

Algorithm

egg-herbie

Counts

133 → 133

Iterations

Useful iterations: 2 (27.0ms)

Iter	Nodes	Cost
0	300	623
1	1163	535
2	5001	459

prune199.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes17.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.6b

bsearch40.0ms

Steps

Iters	Range		Point
6	154.95281288217146	827.1329217740771	260.7291875633734

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	29	14
1	29	14

end0.0ms

sample783.0ms

Algorithm

intervals

Results

579.0ms	8000×	body	80	valid
99.0ms	8000×	pre	80	true