Details

Time bar (total: 15.4s)

sample128.0ms

Algorithm
intervals
Results
66.0ms78×body1280valid
24.0ms48×body640valid
10.0ms31×body320valid
8.0ms15×body2560valid
5.0ms70×body80valid
2.0ms14×body160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
done13
213
112
07

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(hypot 1 x)
0.7b
(+ x (hypot 1 x))
4.0b
(log (+ x (hypot 1 x)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt add-cube-cbrt add-log-exp
pow1 log-prod add-exp-log
expm1-log1p-u fma-def add-cbrt-cube insert-posit16 log1p-expm1-u
log-div flip3-+ flip-+ distribute-lft-out
+-commutative hypot-udef sum-log rem-log-exp log-pow
Counts
3 → 47
Calls
3 calls:
0.0ms
(hypot 1 x)
6.0ms
(+ x (hypot 1 x))
5.0ms
(log (+ x (hypot 1 x)))

series366.0ms

Counts
3 → 9
Calls
3 calls:
83.0ms
(hypot 1 x)
75.0ms
(+ x (hypot 1 x))
208.0ms
(log (+ x (hypot 1 x)))

simplify1.8s

Counts
56 → 56
Iterations
IterNodes
done5010
32035
2666
1244
0108

prune299.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize38.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (* (* x x) x) -1/6 x)
0.1b
(* (* x x) x)
17.6b
(fma (pow x 5) 3/40 (fma (* (* x x) x) -1/6 x))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
22×pow1
add-cbrt-cube add-exp-log
pow-plus pow-prod-up
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
pow2 pow-sqr fma-udef
associate-*l* pow3 *-commutative unswap-sqr
Counts
3 → 53
Calls
3 calls:
0.0ms
(fma (* (* x x) x) -1/6 x)
25.0ms
(* (* x x) x)
1.0ms
(fma (pow x 5) 3/40 (fma (* (* x x) x) -1/6 x))

series239.0ms

Counts
3 → 9
Calls
3 calls:
111.0ms
(fma (* (* x x) x) -1/6 x)
42.0ms
(* (* x x) x)
86.0ms
(fma (pow x 5) 3/40 (fma (* (* x x) x) -1/6 x))

simplify1.8s

Counts
62 → 62
Iterations
IterNodes
done5001
31430
2359
1134
071

prune231.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1/16 (pow x 5))
0.5b
(/ 1/8 (* x x))
14.6b
(log (+ (/ -1/2 x) (- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))))
21.0b
(- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))

rewrite380.0ms

Algorithm
rewrite-expression-head
Rules
1355×times-frac
775×add-sqr-sqrt
754×*-un-lft-identity
737×add-cube-cbrt
625×prod-diff
240×unpow-prod-down
131×div-inv
82×sqr-pow
25×fma-neg
15×add-exp-log
12×difference-of-squares
11×add-cbrt-cube
associate-/r*
log-prod associate-/l* add-log-exp
pow1 log-div div-exp
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out--
cbrt-undiv frac-add distribute-lft-out
clear-num frac-2neg flip3-- frac-sub flip--
pow-to-exp sub-neg flip3-+ diff-log rem-log-exp pow-exp prod-exp log-pow cbrt-unprod flip-+
Counts
4 → 775
Calls
4 calls:
7.0ms
(/ 1/16 (pow x 5))
8.0ms
(/ 1/8 (* x x))
198.0ms
(log (+ (/ -1/2 x) (- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))))
114.0ms
(- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))

series393.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ 1/16 (pow x 5))
28.0ms
(/ 1/8 (* x x))
127.0ms
(log (+ (/ -1/2 x) (- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))))
171.0ms
(- (/ (/ 1/8 (* x x)) x) (/ 1/16 (pow x 5)))

simplify2.1s

Counts
787 → 787
Iterations
IterNodes
done5000
12323
01032

prune4.0s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes38.0ms

Accuracy

99.7% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.4b

bsearch104.0ms

Steps
ItersRangePoint
10
1.508099977930646e-06
2590629949647.022
0.00749865384513097
10
-26711381.42537418
-6.803810524357175e-07
-1.0467443314953524

simplify6.0ms

Iterations
IterNodes
done34
134
029

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.7s2363×body1280valid
567.0ms1540×body640valid
451.0ms774×body2560valid
235.0ms785×body320valid
106.0ms2145×body80valid
78.0ms393×body160valid