Details

Time bar (total: 27.2s)

sample472.0ms

Algorithm
intervals
Results
178.0ms97×body1280valid
155.0ms40×body2560valid
30.0ms55×body640valid
12.0ms36×body320valid
5.0ms21×body160valid
1.0msbody80valid

simplify16.0ms

Counts
1 → 1
Iterations
IterNodes
done19
319
217
113
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.3b

localize72.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- x (sin x)) (- x (tan x)))
1.3b
(- x (tan x))
1.4b
(- x (sin x))

rewrite82.0ms

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 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 → 110
Calls
3 calls:
49.0ms
(/ (- x (sin x)) (- x (tan x)))
10.0ms
(- x (tan x))
16.0ms
(- x (sin x))

series297.0ms

Counts
3 → 9
Calls
3 calls:
129.0ms
(/ (- x (sin x)) (- x (tan x)))
119.0ms
(- x (tan x))
49.0ms
(- x (sin x))

simplify1.7s

Counts
119 → 119
Iterations
IterNodes
done5002
22273
1502
0209

prune510.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p (expm1 (/ (- x (sin x)) (- x (tan x)))))
0.5b
(expm1 (/ (- x (sin x)) (- x (tan x))))
1.3b
(- x (tan x))
1.4b
(- x (sin x))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
18×prod-diff add-cube-cbrt
add-log-exp
fma-neg
log1p-expm1-u
expm1-log1p-u pow1 add-cbrt-cube add-exp-log
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
log1p-udef expm1-log1p log1p-expm1 expm1-udef
Counts
4 → 78
Calls
4 calls:
0.0ms
(log1p (expm1 (/ (- x (sin x)) (- x (tan x)))))
1.0ms
(expm1 (/ (- x (sin x)) (- x (tan x))))
10.0ms
(- x (tan x))
14.0ms
(- x (sin x))

series545.0ms

Counts
4 → 12
Calls
4 calls:
258.0ms
(log1p (expm1 (/ (- x (sin x)) (- x (tan x)))))
167.0ms
(expm1 (/ (- x (sin x)) (- x (tan x))))
64.0ms
(- x (tan x))
55.0ms
(- x (sin x))

simplify1.7s

Counts
90 → 90
Iterations
IterNodes
done5001
22067
1469
0201

prune479.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize62.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sin x) x)
0.2b
(/ (/ (sin x) x) (cos x))
0.3b
(* (cos x) (cos x))
0.5b
(- (+ (/ (/ (sin x) x) (cos x)) (/ (* (/ (sin x) x) (/ (sin x) x)) (* (cos x) (cos x)))) (/ (sin x) x))

rewrite586.0ms

Algorithm
rewrite-expression-head
Rules
255×times-frac
245×*-un-lft-identity
135×add-sqr-sqrt
128×add-cube-cbrt
104×prod-diff
42×distribute-rgt-out
16×associate-/l*
15×distribute-lft-out
14×distribute-rgt1-in div-inv
13×add-cbrt-cube add-exp-log
11×pow1
add-log-exp
fma-neg
associate-/r*
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u
swap-sqr associate-*r* associate-*l* frac-sub
clear-num frac-2neg diff-log distribute-lft-out-- difference-of-squares
pow2 sqr-cos sum-log sub-neg flip3-+ pow-plus flip3-- pow-prod-down frac-add prod-exp associate--l+ pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod flip-+ flip-- unswap-sqr associate-/l/
Counts
4 → 265
Calls
4 calls:
13.0ms
(/ (sin x) x)
16.0ms
(/ (/ (sin x) x) (cos x))
8.0ms
(* (cos x) (cos x))
522.0ms
(- (+ (/ (/ (sin x) x) (cos x)) (/ (* (/ (sin x) x) (/ (sin x) x)) (* (cos x) (cos x)))) (/ (sin x) x))

series349.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ (sin x) x)
52.0ms
(/ (/ (sin x) x) (cos x))
20.0ms
(* (cos x) (cos x))
235.0ms
(- (+ (/ (/ (sin x) x) (cos x)) (/ (* (/ (sin x) x) (/ (sin x) x)) (* (cos x) (cos x)))) (/ (sin x) x))

simplify1.0s

Counts
277 → 277
Iterations
IterNodes
done5001
11129
0427

prune1.5s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (* x x) (* x x)) (exp -1/2))
0.1b
(* (* x x) (* x x))
0.3b
(fma (* x x) 9/40 1)
22.9b
(log1p (fma (fma (* x x) 9/40 1) (exp -1/2) (fma (* (* (* x x) (* x x)) (exp -1/2)) 351/22400 -1)))

rewrite205.0ms

Algorithm
rewrite-expression-head
Rules
133×pow1
36×pow-prod-down pow-prod-up
34×add-cbrt-cube
29×add-exp-log
22×pow-sqr
21×prod-exp cbrt-unprod
18×pow-plus
13×pow2
add-sqr-sqrt
expm1-log1p-u *-un-lft-identity add-cube-cbrt
associate-*r* log1p-expm1-u add-log-exp
associate-*l* *-commutative unswap-sqr
log1p-udef swap-sqr log1p-expm1 fma-udef
Counts
4 → 116
Calls
4 calls:
144.0ms
(* (* (* x x) (* x x)) (exp -1/2))
56.0ms
(* (* x x) (* x x))
0.0ms
(fma (* x x) 9/40 1)
1.0ms
(log1p (fma (fma (* x x) 9/40 1) (exp -1/2) (fma (* (* (* x x) (* x x)) (exp -1/2)) 351/22400 -1)))

series624.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(* (* (* x x) (* x x)) (exp -1/2))
42.0ms
(* (* x x) (* x x))
66.0ms
(fma (* x x) 9/40 1)
366.0ms
(log1p (fma (fma (* x x) 9/40 1) (exp -1/2) (fma (* (* (* x x) (* x x)) (exp -1/2)) 351/22400 -1)))

simplify2.9s

Counts
128 → 128
Iterations
IterNodes
done5000
22728
1379
0132

prune444.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes56.0ms

Accuracy

100% (0.0b remaining)

Error of 0.3b against oracle of 0.3b and baseline of 31.6b

bsearch212.0ms

Steps
ItersRangePoint
9
0.030359728269424062
9645967.64350026
14.281712868651681
11
-14746478108.679678
-8.433739504313006e-14
-2.6074601408363502

simplify11.0ms

Iterations
IterNodes
done42
142
033

end0.0ms

sample13.3s

Algorithm
intervals
Results
5.9s1573×body2560valid
4.6s2763×body1280valid
1.8s1835×body640valid
509.0ms969×body320valid
197.0ms483×body160valid
60.0ms377×body80valid