Details

Time bar (total: 1.1m)

sample590.0ms

Algorithm
intervals
Results
243.0ms59×body2560valid
104.0ms74×body1280valid
92.0ms60×body640valid
19.0ms36×body320valid
5.0ms13×body160valid
3.0ms14×body80valid

simplify60.0ms

Counts
1 → 1
Iterations
IterNodes
done19
319
217
113
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.6b

localize83.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- x (sin x)) (- x (tan x)))
1.4b
(- x (tan x))
1.4b
(- x (sin x))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt *-un-lft-identity
29×add-cube-cbrt
25×times-frac
18×prod-diff
14×distribute-lft-out-- difference-of-squares
add-log-exp
fma-neg
associate-/r* add-cbrt-cube add-exp-log associate-/l*
flip3-- flip--
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u
sub-neg diff-log associate-/r/ associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp div-inv
Counts
3 → 113
Calls
3 calls:
101.0ms
(/ (- x (sin x)) (- x (tan x)))
19.0ms
(- x (tan x))
26.0ms
(- x (sin x))

series349.0ms

Counts
3 → 9
Calls
3 calls:
148.0ms
(/ (- x (sin x)) (- x (tan x)))
123.0ms
(- x (tan x))
77.0ms
(- x (sin x))

simplify8.4s

Counts
122 → 122
Iterations
IterNodes
done5000
34764
21272
1503
0212

prune974.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize98.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800)) -1/2)
0.1b
(* (* x x) (* x x))
0.3b
(* (* (* x x) (* x x)) -27/2800)
14.7b
(fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800))

rewrite403.0ms

Algorithm
rewrite-expression-head
Rules
133×pow1
36×pow-prod-down pow-prod-up
34×add-cbrt-cube add-exp-log
22×pow-sqr
21×prod-exp cbrt-unprod
18×pow-plus
13×pow2
*-un-lft-identity
add-sqr-sqrt
add-cube-cbrt add-log-exp
expm1-log1p-u associate-*r* insert-posit16 log1p-expm1-u
fma-def
associate-*l* *-commutative fma-udef unswap-sqr
+-commutative associate-+l+ sum-log flip3-+ swap-sqr flip-+ distribute-lft-out
Counts
4 → 127
Calls
4 calls:
12.0ms
(+ (fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800)) -1/2)
84.0ms
(* (* x x) (* x x))
289.0ms
(* (* (* x x) (* x x)) -27/2800)
3.0ms
(fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800))

series404.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(+ (fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800)) -1/2)
76.0ms
(* (* x x) (* x x))
81.0ms
(* (* (* x x) (* x x)) -27/2800)
183.0ms
(fma (* x x) 9/40 (* (* (* x x) (* x x)) -27/2800))

simplify7.0s

Counts
139 → 139
Iterations
IterNodes
done5000
33228
2950
1366
0126

prune786.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize222.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cos x) (cos x))
0.2b
(/ (sin x) (* (cos x) (cos x)))
0.6b
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
1.4b
(+ 1 (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))

rewrite682.0ms

Algorithm
rewrite-expression-head
Rules
468×times-frac
353×add-sqr-sqrt
349×*-un-lft-identity
342×add-cube-cbrt
258×prod-diff
131×associate-+r+
43×fma-neg
29×div-inv
11×pow1 add-cbrt-cube add-exp-log add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
fma-def swap-sqr associate-*r* associate-*l* associate-/l* difference-of-squares
cbrt-undiv sum-log sub-neg diff-log div-exp prod-exp cos-mult cbrt-unprod distribute-lft-out distribute-lft-out--
pow2 +-commutative sqr-cos clear-num associate-+r- associate-/r* frac-2neg flip3-+ pow-plus flip3-- pow-prod-down associate-/r/ pow-sqr *-commutative pow-prod-up flip-+ fma-udef flip-- associate--r+ unswap-sqr
Counts
4 → 399
Calls
4 calls:
28.0ms
(* (cos x) (cos x))
68.0ms
(/ (sin x) (* (cos x) (cos x)))
215.0ms
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
291.0ms
(+ 1 (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))

series826.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(* (cos x) (cos x))
114.0ms
(/ (sin x) (* (cos x) (cos x)))
405.0ms
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
251.0ms
(+ 1 (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))

simplify7.6s

Counts
411 → 411
Iterations
IterNodes
done5003
23272
11255
0543

prune6.0s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize323.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sin x) (* (cos x) (cos x)))
0.6b
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
1.4b
(+ 1 (log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))))
3.5b
(log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))))

rewrite2.2s

Algorithm
rewrite-expression-head
Rules
669×times-frac
507×add-sqr-sqrt
496×*-un-lft-identity
489×add-cube-cbrt
387×prod-diff
268×log-prod
262×exp-sum
134×associate-+r+
43×fma-neg
41×div-inv
add-cbrt-cube add-exp-log log-pow
exp-prod add-log-exp
pow1 difference-of-squares
expm1-log1p-u insert-posit16 log1p-expm1-u
sub-neg fma-def associate-/l*
cbrt-undiv log-div exp-diff div-exp distribute-lft-out distribute-lft-out--
+-commutative clear-num associate-+r- associate-/r* sum-log frac-2neg flip3-+ flip3-- diff-log rem-log-exp prod-exp associate-/r/ cos-mult cbrt-unprod flip-+ fma-udef flip-- associate--r+
Counts
4 → 525
Calls
4 calls:
49.0ms
(/ (sin x) (* (cos x) (cos x)))
204.0ms
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
955.0ms
(+ 1 (log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))))
363.0ms
(log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))))

series1.3s

Counts
4 → 12
Calls
4 calls:
111.0ms
(/ (sin x) (* (cos x) (cos x)))
434.0ms
(- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))
264.0ms
(+ 1 (log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x))))))
448.0ms
(log (exp (- (/ (/ (sin x) x) (cos x)) (fma (/ (/ (sin x) x) x) (/ (sin x) (cos x)) (/ (sin x) x)))))

simplify7.6s

Counts
537 → 537
Iterations
IterNodes
done5008
23437
11483
0819

prune6.5s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes159.0ms

Accuracy

99.2% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 32.6b

bsearch173.0ms

Steps
ItersRangePoint
8
1.874259372897972
986.1969312707462
2.4203399319729506
9
-209901990.47645873
-0.28008678268591264
-2.508948866519329

simplify35.0ms

Iterations
IterNodes
done38
138
030

end0.0ms

sample14.6s

Algorithm
intervals
Results
6.6s1543×body2560valid
5.0s2735×body1280valid
1.8s1953×body640valid
524.0ms908×body320valid
373.0ms499×body160valid
72.0ms362×body80valid