Details

Time bar (total: 14.4s)

sample184.0ms

Algorithm
intervals
Results
110.0ms113×body1280valid
27.0ms20×body2560valid
20.0ms54×body640valid
7.0ms26×body320valid
2.0ms15×body160valid
2.0ms28×body80valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.1b

localize10.0ms

Local error

Found 2 expressions with local error:

1.2b
(- (sin (+ x eps)) (sin x))
4.0b
(sin (+ x eps))

rewrite76.0ms

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 sin-sum add-cbrt-cube log1p-expm1-u
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
64.0ms
(- (sin (+ x eps)) (sin x))
10.0ms
(sin (+ x eps))

series88.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(- (sin (+ x eps)) (sin x))
29.0ms
(sin (+ x eps))

simplify852.0ms

Counts
46 → 46
Iterations

Useful iterations: done (850.0ms)

IterNodesCost
091662
1203542
2771452
done5000388

prune126.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (+ x eps) x)
0.3b
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ (+ x eps) x) 2)))
4.1b
(cos (/ (+ (+ x eps) x) 2))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-exp-log add-cbrt-cube
fma-def distribute-lft-out
expm1-log1p-u associate-*r* associate-*l* sum-log log1p-expm1-u
+-commutative associate-+l+ flip3-+ pow-prod-down prod-exp *-commutative sin-cos-mult cbrt-unprod flip-+ unswap-sqr
Counts
3 → 51
Calls
3 calls:
46.0ms
(+ (+ x eps) x)
33.0ms
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ (+ x eps) x) 2)))
63.0ms
(cos (/ (+ (+ x eps) x) 2))

series139.0ms

Counts
3 → 9
Calls
3 calls:
29.0ms
(+ (+ x eps) x)
72.0ms
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ (+ x eps) x) 2)))
38.0ms
(cos (/ (+ (+ x eps) x) 2))

simplify890.0ms

Counts
60 → 60
Iterations

Useful iterations: done (888.0ms)

IterNodesCost
099768
1240695
21026617
done5000596

prune288.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.4b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ eps x))
0.3b
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ x (+ eps x)) 2)))
4.1b
(cos (/ (+ x (+ eps x)) 2))

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1 add-exp-log add-cbrt-cube
expm1-log1p-u fma-def associate-*r* associate-*l* sum-log log1p-expm1-u distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative sin-cos-mult cbrt-unprod flip-+ unswap-sqr
Counts
3 → 50
Calls
3 calls:
18.0ms
(+ x (+ eps x))
34.0ms
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ x (+ eps x)) 2)))
70.0ms
(cos (/ (+ x (+ eps x)) 2))

series133.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(+ x (+ eps x))
69.0ms
(* (sin (/ (+ eps 0) 2)) (cos (/ (+ x (+ eps x)) 2)))
36.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify933.0ms

Counts
59 → 59
Iterations

Useful iterations: done (931.0ms)

IterNodesCost
099768
1243693
21051615
done5001596

prune283.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.4b

localize47.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin (/ (+ eps 0) 2)) (cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3)))
0.5b
(cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3))
0.5b
(pow (cos (/ (+ x (+ eps x)) 2)) 3)
4.1b
(cos (/ (+ x (+ eps x)) 2))

rewrite114.0ms

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
pow1 add-exp-log
add-cbrt-cube
unswap-sqr
expm1-log1p-u log1p-expm1-u add-log-exp sqr-pow
cube-mult pow-unpow unpow3 associate-*l*
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 → 93
Calls
4 calls:
64.0ms
(* (sin (/ (+ eps 0) 2)) (cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3)))
5.0ms
(cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3))
7.0ms
(pow (cos (/ (+ x (+ eps x)) 2)) 3)
35.0ms
(cos (/ (+ x (+ eps x)) 2))

series233.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(* (sin (/ (+ eps 0) 2)) (cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3)))
44.0ms
(cbrt (pow (cos (/ (+ x (+ eps x)) 2)) 3))
83.0ms
(pow (cos (/ (+ x (+ eps x)) 2)) 3)
26.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.1s

Counts
105 → 105
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01271921
13201540
218811356
done50021337

prune337.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.4b

regimes158.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 15.5b

bsearch196.0ms

Steps
ItersRangePoint
9
5.841499356922819e-12
0.0004268116563047139
1.7444808358242096e-08
9
-8.253445947576724e-07
-1.3572074081350282e-15
-1.1066748065615766e-08

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02953
13851
23951
done3951

end0.0ms

sample6.9s

Algorithm
intervals
Results
3.9s3296×body1280valid
1.2s1883×body640valid
1.0s609×body2560valid
222.0ms762×body320valid
151.0ms1092×body80valid
67.0ms358×body160valid