Details

sample149.0ms

Algorithm

intervals

Results

83.0ms	106×	body	1280	valid
23.0ms	52×	body	640	valid
12.0ms	11×	body	2560	valid
9.0ms	28×	body	320	valid
4.0ms	44×	body	80	valid
3.0ms	15×	body	160	valid

simplify8.0ms

Counts

1 → 1

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	6	7
1	9	7
2	10	7
done	10	7

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.9b

localize20.0ms

Local error

Found 2 expressions with local error:

1.7b	(- (sin (+ x eps)) (sin x))
3.7b	(sin (+ x eps))

rewrite108.0ms

Algorithm

rewrite-expression-head

Rules

4×	`add-sqr-sqrt` `*-un-lft-identity` `add-log-exp`
2×	`pow1` `add-exp-log` `add-cube-cbrt` `sin-sum` `add-cbrt-cube`
1×	`sub-neg` `flip3--` `diff-log` `diff-sin` `associate--l+` `flip--` `distribute-lft-out--` `difference-of-squares`

Counts

2 → 24

Calls

2 calls:

86.0ms	(- (sin (+ x eps)) (sin x))
21.0ms	(sin (+ x eps))

series111.0ms

Counts

2 → 6

Calls

2 calls:

78.0ms	(- (sin (+ x eps)) (sin x))
33.0ms	(sin (+ x eps))

simplify1.0s

Counts

30 → 30

Iterations

Useful iterations: done (1.0s)

Iter	Nodes	Cost
0	64	309
1	135	295
2	381	281
3	1453	275
done	5000	271

prune122.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b	(+ (+ x eps) x)
0.2b	(* (sin (/ eps 2)) (cos (/ (+ (+ x eps) x) 2)))
3.6b	(cos (/ (+ (+ x eps) x) 2))

rewrite122.0ms

Algorithm

rewrite-expression-head

Rules

10×	`*-un-lft-identity`
8×	`add-log-exp`
7×	`add-sqr-sqrt`
5×	`pow1` `add-exp-log` `add-cube-cbrt` `add-cbrt-cube`
3×	`associate-r` `associate-l` `sum-log` `distribute-lft-out`
1×	`+-commutative` `associate-+l+` `flip3-+` `pow-prod-down` `prod-exp` `*-commutative` `sin-cos-mult` `cbrt-unprod` `flip-+` `unswap-sqr`

Counts

3 → 41

Calls

3 calls:

44.0ms	(+ (+ x eps) x)
21.0ms	(* (sin (/ eps 2)) (cos (/ (+ (+ x eps) x) 2)))
55.0ms	(cos (/ (+ (+ x eps) x) 2))

series123.0ms

Counts

3 → 9

Calls

3 calls:

32.0ms	(+ (+ x eps) x)
64.0ms	(* (sin (/ eps 2)) (cos (/ (+ (+ x eps) x) 2)))
27.0ms	(cos (/ (+ (+ x eps) x) 2))

simplify602.0ms

Counts

50 → 50

Iterations

Useful iterations: done (599.0ms)

Iter	Nodes	Cost
0	91	656
1	219	646
2	982	568
done	5000	552

prune229.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b	(exp (cos (/ (+ (+ x eps) x) 2)))
0.2b	(* (sin (/ eps 2)) (log (exp (cos (/ (+ (+ x eps) x) 2)))))
0.5b	(log (exp (cos (/ (+ (+ x eps) x) 2))))
3.6b	(cos (/ (+ (+ x eps) x) 2))

rewrite353.0ms

Algorithm

rewrite-expression-head

Rules

14×	`add-sqr-sqrt`
12×	`add-cube-cbrt` `*-un-lft-identity`
9×	`log-prod` `exp-prod`
8×	`pow1` `log-pow`
7×	`associate-r`
6×	`add-exp-log` `add-cbrt-cube`
5×	`add-log-exp`
3×	`distribute-rgt-in` `distribute-lft-in` `associate-l`
1×	`rem-log-exp` `pow-prod-down` `prod-exp` `*-commutative` `cbrt-unprod` `rem-exp-log` `unswap-sqr`

Counts

4 → 61

Calls

4 calls:

73.0ms	(exp (cos (/ (+ (+ x eps) x) 2)))
113.0ms	(* (sin (/ eps 2)) (log (exp (cos (/ (+ (+ x eps) x) 2)))))
111.0ms	(log (exp (cos (/ (+ (+ x eps) x) 2))))
52.0ms	(cos (/ (+ (+ x eps) x) 2))

series227.0ms

Counts

4 → 12

Calls

4 calls:

63.0ms	(exp (cos (/ (+ (+ x eps) x) 2)))
71.0ms	(* (sin (/ eps 2)) (log (exp (cos (/ (+ (+ x eps) x) 2)))))
44.0ms	(log (exp (cos (/ (+ (+ x eps) x) 2))))
49.0ms	(cos (/ (+ (+ x eps) x) 2))

simplify3.3s

Counts

73 → 73

Iterations

Useful iterations: 3 (912.0ms)

Iter	Nodes	Cost
0	107	1191
1	227	1093
2	807	951
3	4205	931
done	5000	931

prune378.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.3b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b	(* (sin (/ eps 2)) (cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3)))
0.4b	(cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3))
0.5b	(pow (cos (/ (+ (+ x eps) x) 2)) 3)
3.6b	(cos (/ (+ (+ x eps) x) 2))

rewrite113.0ms

Algorithm

rewrite-expression-head

Rules

28×	`cbrt-prod`
24×	`add-sqr-sqrt`
15×	`add-cube-cbrt` `-un-lft-identity` `associate-r*`
10×	`unpow-prod-down` `cube-prod`
7×	`pow1` `add-exp-log`
6×	`add-cbrt-cube`
5×	`unswap-sqr`
4×	`add-log-exp` `sqr-pow`
3×	`cube-mult` `pow-unpow` `unpow3` `associate-l`
1×	`pow-to-exp` `pow-pow` `pow1/3` `pow-prod-down` `pow-exp` `prod-exp` `*-commutative` `rem-cbrt-cube` `cbrt-unprod` `rem-cube-cbrt`

Counts

4 → 85

Calls

4 calls:

25.0ms	(* (sin (/ eps 2)) (cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3)))
2.0ms	(cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3))
3.0ms	(pow (cos (/ (+ (+ x eps) x) 2)) 3)
78.0ms	(cos (/ (+ (+ x eps) x) 2))

series239.0ms

Counts

4 → 12

Calls

4 calls:

64.0ms	(* (sin (/ eps 2)) (cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3)))
32.0ms	(cbrt (pow (cos (/ (+ (+ x eps) x) 2)) 3))
97.0ms	(pow (cos (/ (+ (+ x eps) x) 2)) 3)
46.0ms	(cos (/ (+ (+ x eps) x) 2))

simplify2.1s

Counts

97 → 97

Iterations

Useful iterations: done (2.1s)

Iter	Nodes	Cost
0	117	1733
1	299	1463
2	1825	1279
done	5001	1263

prune342.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

regimes186.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.4b against oracle of 0.4b and baseline of 15.0b

bsearch218.0ms

Steps

Iters	Range		Point
10	5.105604430862771e-28	2.9767731294600714e-09	2.9200806353561473e-09
11	-3.317152845340719e+16	-2.9526231381329305e-09	-1.0387684299316812e-08

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

Iter	Nodes	Cost
0	25	51
1	35	38
done	35	38

end0.0ms

sample5.5s

Algorithm

intervals

Results

2.4s	3365×	body	1280	valid
1.1s	648×	body	2560	valid
812.0ms	1771×	body	640	valid
486.0ms	348×	body	160	valid
223.0ms	773×	body	320	valid
204.0ms	1095×	body	80	valid