Details

Time bar (total: 2.6s)

sample9.0ms

Algorithm
intervals
Results
4.0ms256×body80valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
073
173

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.0b

localize4.0ms

Local error

Found 1 expressions with local error:

16.0b
(/ x (+ (* x x) 1.0))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
add-exp-log associate-/r* add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv expm1-log1p-u frac-2neg flip3-+ div-exp clear-num flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 31
Calls
1 calls:
6.0ms
(/ x (+ (* x x) 1.0))

series58.0ms

Counts
1 → 3
Calls
1 calls:
58.0ms
(/ x (+ (* x x) 1.0))

simplify55.0ms

Algorithm
egg-herbie
Counts
34 → 34
Iterations

Useful iterations: 3 (52.0ms)

IterNodesCost
0171215
1589196
21979191
35002186

prune71.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize6.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
0.0b
(/ x (sqrt (+ (* x x) 1.0)))
15.9b
(sqrt (+ (* x x) 1.0))
15.9b
(sqrt (+ (* x x) 1.0))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
288×times-frac
166×add-sqr-sqrt
162×add-cube-cbrt *-un-lft-identity
156×sqrt-prod
27×associate-/l*
22×sqrt-div
18×associate-/r/
12×associate-/r*
11×add-exp-log flip3-+ add-cbrt-cube flip-+
div-inv
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num hypot-def
associate-/l/
Counts
4 → 272
Calls
4 calls:
22.0ms
(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
7.0ms
(/ x (sqrt (+ (* x x) 1.0)))
5.0ms
(sqrt (+ (* x x) 1.0))
5.0ms
(sqrt (+ (* x x) 1.0))

series275.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
125.0ms
(/ x (sqrt (+ (* x x) 1.0)))
41.0ms
(sqrt (+ (* x x) 1.0))
49.0ms
(sqrt (+ (* x x) 1.0))

simplify82.0ms

Algorithm
egg-herbie
Counts
284 → 284
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
07933897
130573471
250013383

prune442.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 1.0 (- (/ 1 (pow x 5)) (/ 1 (pow x 3))) (/ 1 x))
0.2b
(/ 1 (pow x 5))
0.2b
(/ 1 (pow x 3))
16.4b
(- (/ 1 (pow x 5)) (/ 1 (pow x 3)))

rewrite227.0ms

Algorithm
rewrite-expression-head
Rules
1934×times-frac
1320×add-sqr-sqrt
1236×*-un-lft-identity
1171×add-cube-cbrt
1000×prod-diff
650×unpow-prod-down
251×cube-prod
238×sqr-pow
79×cube-mult unpow3
72×div-inv
63×difference-of-squares
25×fma-neg
22×add-exp-log
19×associate-/r*
12×div-exp
add-cbrt-cube
distribute-lft-out--
pow-to-exp rec-exp 1-exp pow-exp associate-/l* add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv pow-flip frac-2neg clear-num inv-pow
sub-neg flip3-- diff-log frac-sub flip-- fma-udef
Counts
4 → 1250
Calls
4 calls:
0.0ms
(fma 1.0 (- (/ 1 (pow x 5)) (/ 1 (pow x 3))) (/ 1 x))
4.0ms
(/ 1 (pow x 5))
5.0ms
(/ 1 (pow x 3))
93.0ms
(- (/ 1 (pow x 5)) (/ 1 (pow x 3)))

series226.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(fma 1.0 (- (/ 1 (pow x 5)) (/ 1 (pow x 3))) (/ 1 x))
47.0ms
(/ 1 (pow x 5))
31.0ms
(/ 1 (pow x 3))
104.0ms
(- (/ 1 (pow x 5)) (/ 1 (pow x 3)))

simplify270.0ms

Algorithm
egg-herbie
Counts
1262 → 1262
Iterations

Useful iterations: 1 (34.0ms)

IterNodesCost
0241131677
1500218173

prune469.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes43.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.2b

bsearch52.0ms

Steps
ItersRangePoint
10
4.555257425893614e-05
47183757994.54101
1492.2784419761988
6
-513705451564942.06
-128069472595720.98
-491659454900747.94

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02710
12710

end0.0ms

sample222.0ms

Algorithm
intervals
Results
139.0ms8000×body80valid