Details

sample27.0ms

Algorithm

intervals

Results

9.0ms	250×	body	80	valid
2.0ms	14×	body	640	valid
1.0ms	15×	body	320	valid
1.0ms	9×	body	160	valid
0.0ms	3×	body	1280	valid
0.0ms	1×	body	2560	valid

simplify6.0s

Counts

1 → 1

Iterations

Useful iterations: 3 (12.0ms)

Iter	Nodes	Cost
0	11	13
1	20	13
2	45	13
3	114	12
4	278	12
5	614	12
6	1250	12
7	2321	12
8	4127	12
done	5000	12

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.5b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b	(/ (- y z) (- a z))
4.0b	(fma (/ (- y z) (- a z)) (- t x) x)

rewrite15.0ms

Algorithm

rewrite-expression-head

Rules

38×	`add-sqr-sqrt` `*-un-lft-identity`
25×	`times-frac`
14×	`add-cube-cbrt`
12×	`distribute-lft-out--` `difference-of-squares`
5×	`associate-/r` `associate-/l`
4×	`add-exp-log` `add-cbrt-cube`
2×	`pow1` `expm1-log1p-u` `flip3--` `associate-/r/` `flip--` `log1p-expm1-u` `associate-/l/` `add-log-exp`
1×	`cbrt-undiv` `frac-2neg` `div-sub` `div-exp` `clear-num` `fma-udef` `div-inv`

Counts

2 → 64

Calls

2 calls:

12.0ms	(/ (- y z) (- a z))
0.0ms	(fma (/ (- y z) (- a z)) (- t x) x)

series183.0ms

Counts

2 → 6

Calls

2 calls:

56.0ms	(/ (- y z) (- a z))
127.0ms	(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.1s

Counts

70 → 70

Iterations

Useful iterations: 4 (1.2s)

Iter	Nodes	Cost
0	116	918
1	266	890
2	623	838
3	1565	834
4	4603	828
done	5000	828

prune227.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.3b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b	(/ 1 (- a z))
0.2b	(* (- y z) (/ 1 (- a z)))
4.8b	(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

rewrite37.0ms

Algorithm

rewrite-expression-head

Rules

46×	`add-sqr-sqrt`
40×	`*-un-lft-identity`
32×	`times-frac`
23×	`add-cube-cbrt`
21×	`associate-r`
16×	`add-exp-log`
10×	`add-cbrt-cube`
8×	`distribute-lft-out--` `difference-of-squares`
6×	`pow1`
5×	`associate-l` `associate-/r*`
4×	`flip3--` `div-exp` `prod-exp` `associate-/r/` `flip--`
3×	`expm1-log1p-u` `log1p-expm1-u` `associate-/l*` `add-log-exp` `unswap-sqr`
2×	`cbrt-undiv` `frac-times` `rec-exp` `1-exp` `associate-*l/` `cbrt-unprod` `div-inv`
1×	`pow-flip` `frac-2neg` `associate-r/` `pow-prod-down` `clear-num` `un-div-inv` `-commutative` `fma-udef` `inv-pow`

Counts

3 → 105

Calls

3 calls:

6.0ms	(/ 1 (- a z))
27.0ms	(* (- y z) (/ 1 (- a z)))
0.0ms	(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series212.0ms

Counts

3 → 9

Calls

3 calls:

35.0ms	(/ 1 (- a z))
53.0ms	(* (- y z) (/ 1 (- a z)))
123.0ms	(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify2.5s

Counts

114 → 114

Iterations

Useful iterations: done (2.5s)

Iter	Nodes	Cost
0	152	1285
1	341	1052
2	924	948
3	3049	944
done	5001	943

prune299.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b	(/ (- y z) (- a z))
4.0b	(fma (/ (- y z) (- a z)) (- t x) x)

rewrite14.0ms

Algorithm

rewrite-expression-head

Rules

38×	`add-sqr-sqrt` `*-un-lft-identity`
25×	`times-frac`
14×	`add-cube-cbrt`
12×	`distribute-lft-out--` `difference-of-squares`
5×	`associate-/r` `associate-/l`
4×	`add-exp-log` `add-cbrt-cube`
2×	`pow1` `expm1-log1p-u` `flip3--` `associate-/r/` `flip--` `log1p-expm1-u` `associate-/l/` `add-log-exp`
1×	`cbrt-undiv` `frac-2neg` `div-sub` `div-exp` `clear-num` `fma-udef` `div-inv`

Counts

2 → 64

Calls

2 calls:

12.0ms	(/ (- y z) (- a z))
0.0ms	(fma (/ (- y z) (- a z)) (- t x) x)

series175.0ms

Counts

2 → 6

Calls

2 calls:

50.0ms	(/ (- y z) (- a z))
124.0ms	(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.1s

Counts

70 → 70

Iterations

Useful iterations: 4 (1.1s)

Iter	Nodes	Cost
0	116	918
1	266	890
2	623	838
3	1565	834
4	4603	828
done	5000	828

prune198.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 2.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b	(cbrt (- a z))
0.6b	(cbrt (- a z))
0.6b	(cbrt (- a z))
8.2b	(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

rewrite11.0ms

Algorithm

rewrite-expression-head

Rules

15×	`cbrt-prod`
13×	`add-sqr-sqrt` `*-un-lft-identity`
7×	`add-cube-cbrt`
6×	`cbrt-div`
4×	`pow1` `add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u` `add-log-exp`
3×	`flip3--` `pow1/3` `flip--` `distribute-lft-out--` `difference-of-squares`
1×	`fma-udef`

Counts

4 → 61

Calls

4 calls:

5.0ms	(cbrt (- a z))
2.0ms	(cbrt (- a z))
2.0ms	(cbrt (- a z))
0.0ms	(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

series603.0ms

Counts

4 → 12

Calls

4 calls:

163.0ms	(cbrt (- a z))
156.0ms	(cbrt (- a z))
158.0ms	(cbrt (- a z))
126.0ms	(fma (* (/ 1 (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- y z) (cbrt (- a z)))) (- t x) x)

simplify874.0ms

Counts

73 → 73

Iterations

Useful iterations: done (871.0ms)

Iter	Nodes	Cost
0	97	951
1	205	933
2	469	837
3	1364	676
done	5001	669

prune306.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 2.1b

regimes309.0ms

Accuracy

18.6% (6.8b remaining)

Error of 10.1b against oracle of 3.2b and baseline of 11.6b

bsearch105.0ms

Steps

Iters	Range		Point
9	2.46683021584194e+172	5.582883325981149e+180	1.3098447934604612e+176
9	-3.1520536883671544e+112	-3.662546024879469e+104	-3.102526111378278e+112

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

Iter	Nodes	Cost
0	21	42
1	26	32
done	26	32

end0.0ms

sample716.0ms

Algorithm

intervals

Results

275.0ms	7795×	body	80	valid
56.0ms	460×	body	640	valid
44.0ms	434×	body	320	valid
40.0ms	255×	body	1280	valid
18.0ms	280×	body	160	valid
3.0ms	14×	body	2560	valid