Details

Time bar (total: 22.1s)

sample166.0ms

Algorithm
intervals
Results
101.0ms115×body1280valid
22.0ms50×body640valid
16.0ms14×body2560valid
9.0ms28×body320valid
4.0ms34×body80valid
3.0ms15×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.5b

localize20.0ms

Local error

Found 2 expressions with local error:

1.8b
(sin (+ x eps))
2.0b
(- (sin (+ x eps)) (sin x))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube sin-sum add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 42
Calls
2 calls:
13.0ms
(sin (+ x eps))
70.0ms
(- (sin (+ x eps)) (sin x))

series73.0ms

Counts
2 → 6
Calls
2 calls:
19.0ms
(sin (+ x eps))
53.0ms
(- (sin (+ x eps)) (sin x))

simplify3.0s

Counts
48 → 48
Iterations
IterNodes
done5000
44556
31423
2492
1204
092

prune194.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize24.0ms

Local error

Found 2 expressions with local error:

0.2b
(* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps)))
2.1b
(cos (/ (fma 2 x eps) 2))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
2 → 31
Calls
2 calls:
24.0ms
(* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps)))
3.0ms
(cos (/ (fma 2 x eps) 2))

series136.0ms

Counts
2 → 6
Calls
2 calls:
97.0ms
(* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps)))
39.0ms
(cos (/ (fma 2 x eps) 2))

simplify2.9s

Counts
37 → 37
Iterations
IterNodes
done5000
43086
31078
2351
1136
062

prune182.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

localize36.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
2.1b
(cos (/ (fma 2 x eps) 2))
2.1b
(cos (/ (fma 2 x eps) 2))
2.1b
(cos (/ (fma 2 x eps) 2))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
cbrt-prod pow1/3
Counts
4 → 42
Calls
4 calls:
17.0ms
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
6.0ms
(cos (/ (fma 2 x eps) 2))
7.0ms
(cos (/ (fma 2 x eps) 2))
6.0ms
(cos (/ (fma 2 x eps) 2))

series286.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
32.0ms
(cos (/ (fma 2 x eps) 2))
41.0ms
(cos (/ (fma 2 x eps) 2))
44.0ms
(cos (/ (fma 2 x eps) 2))

simplify2.9s

Counts
54 → 54
Iterations
IterNodes
done5018
43259
3900
2265
1128
063

prune464.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.6b

localize46.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
2.1b
(cos (/ (fma 2 x eps) 2))
2.1b
(cos (/ (fma 2 x eps) 2))
2.1b
(cos (/ (fma 2 x eps) 2))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
cbrt-prod pow1/3
Counts
4 → 42
Calls
4 calls:
12.0ms
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
6.0ms
(cos (/ (fma 2 x eps) 2))
6.0ms
(cos (/ (fma 2 x eps) 2))
6.0ms
(cos (/ (fma 2 x eps) 2))

series266.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(cbrt (* (cos (/ (fma 2 x eps) 2)) (sin (* 1/2 eps))))
30.0ms
(cos (/ (fma 2 x eps) 2))
44.0ms
(cos (/ (fma 2 x eps) 2))
36.0ms
(cos (/ (fma 2 x eps) 2))

simplify2.4s

Counts
54 → 54
Iterations
IterNodes
done5018
43259
3900
2265
1128
063

prune487.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.6b

regimes241.0ms

Accuracy

98.3% (0.3b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 15.3b

bsearch239.0ms

Steps
ItersRangePoint
8
6.0329627772416755e-24
1.9249297628844816e-20
1.8942327691411048e-20
9
-5.984165099293203e-09
-2.0017119239229129e-16
-5.893930927518443e-09

simplify9.0ms

Iterations
IterNodes
done34
134
025

end0.0ms

sample7.8s

Algorithm
intervals
Results
3.9s3310×body1280valid
1.2s1858×body640valid
1.1s618×body2560valid
848.0ms339×body160valid
391.0ms764×body320valid
200.0ms1111×body80valid