Details

Time bar (total: 6.7s)

sample99.0ms

Algorithm
intervals
Results
50.0ms150×body1280valid
24.0ms28×body2560valid
12.0ms51×body640valid
2.0ms14×body320valid
1.0ms11×body160valid
0.0msbody80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.6b

localize15.0ms

Local error

Found 2 expressions with local error:

1.0b
(- (cos (+ x eps)) (cos x))
2.3b
(cos (+ x eps))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u cos-sum add-cbrt-cube log1p-expm1-u
associate--l- sub-neg flip3-- diff-log flip-- diff-cos distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
8.0ms
(- (cos (+ x eps)) (cos x))
4.0ms
(cos (+ x eps))

series64.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(- (cos (+ x eps)) (cos x))
15.0ms
(cos (+ x eps))

simplify83.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 3 (74.0ms)

IterNodesCost
0192385
1523285
22519275
35001220

prune125.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 17.7b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cos x) (cos eps))
0.1b
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
0.2b
(* (sin x) (sin eps))
2.6b
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
17×*-un-lft-identity
15×add-cube-cbrt
11×prod-diff add-log-exp
pow1 add-exp-log add-cbrt-cube
associate-*r* associate-*l*
expm1-log1p-u fma-neg diff-log log1p-expm1-u
sub-neg associate--l+ cos-mult sin-mult
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
associate--l- frac-sub distribute-lft-out-- sub-div difference-of-squares
Counts
4 → 93
Calls
4 calls:
4.0ms
(* (cos x) (cos eps))
6.0ms
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
4.0ms
(* (sin x) (sin eps))
23.0ms
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

series299.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (cos x) (cos eps))
84.0ms
(- (* (cos x) (cos eps)) (* (sin x) (sin eps)))
45.0ms
(* (sin x) (sin eps))
131.0ms
(- (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))

simplify55.0ms

Algorithm
egg-herbie
Counts
105 → 105
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0381989
11342838
25002822

prune332.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 17.6b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
0.4b
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
0.4b
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
2.6b
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
14×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt
associate-+l+ fma-def
pow1 expm1-log1p-u flip3-+ times-frac associate-/r* sum-log flip-+ log1p-expm1-u distribute-lft-out
cbrt-undiv +-commutative associate-+l- sub-neg diff-log associate-*r/ div-exp prod-diff associate-/r/ associate-/l/
frac-2neg prod-exp clear-num cbrt-unprod fma-udef div-inv associate-/l*
Counts
4 → 83
Calls
4 calls:
38.0ms
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
15.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
15.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
0.0ms
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

series476.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
100.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
98.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
136.0ms
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

simplify52.0ms

Algorithm
egg-herbie
Counts
95 → 95
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
02881375
114401074
250011067

prune426.0ms

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 17.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
0.4b
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
0.4b
(+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))
2.6b
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
11×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt
fma-def
pow1 expm1-log1p-u associate-+l+ flip3-+ times-frac associate-/r* flip-+ log1p-expm1-u distribute-lft-out
sum-log fma-udef
cbrt-undiv +-commutative associate-*r/ div-exp associate-/r/ associate-/l/
associate-+l- sub-neg associate-+r+ frac-2neg diff-log prod-diff prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 80
Calls
4 calls:
23.0ms
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
15.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
3.0ms
(+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))
0.0ms
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

series760.0ms

Counts
4 → 12
Calls
4 calls:
417.0ms
(/ (* (fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x)))) (+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))) (+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x)))
98.0ms
(+ (- (* (cos x) (cos eps)) (* (sin x) (sin eps))) (cos x))
110.0ms
(+ (fma (cos x) (cos eps) (- (* (sin eps) (sin x)))) (fma (sin x) (+ (- (sin eps)) (sin eps)) (cos x)))
136.0ms
(fma (cos eps) (cos x) (- (fma (sin x) (sin eps) (cos x))))

simplify54.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
03722040
117601749
250011724

prune466.0ms

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 17.5b

regimes221.0ms

Accuracy

86.9% (1.3b remaining)

Error of 15.7b against oracle of 14.3b and baseline of 24.4b

bsearch101.0ms

Steps
ItersRangePoint
11
9.428505616792786e-16
4321407464.299789
2.63597490420144e-08
3
-1.4160683835321931e-14
-1.1208393596952507e-14
-1.3976165695423843e-14

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03629
13629

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.5s4384×body1280valid
581.0ms668×body2560valid
401.0ms1880×body640valid
97.0ms680×body320valid
30.0ms300×body160valid
5.0ms88×body80valid