Details

Time bar (total: 13.3s)

sample22.0ms

Algorithm
intervals
Results
10.0ms256×body80valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
167
done67

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.2b

localize9.0ms

Local error

Found 1 expressions with local error:

13.2b
(/ x (+ (* x x) 1.0))

rewrite29.0ms

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 frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
27.0ms
(/ x (+ (* x x) 1.0))

series82.0ms

Counts
1 → 3
Calls
1 calls:
82.0ms
(/ x (+ (* x x) 1.0))

simplify2.6s

Counts
32 → 32
Iterations

Useful iterations: 2 (87.0ms)

IterNodesCost
074428
1167413
2438373
31017373
42805373
done5000373

prune110.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ x (sqrt (+ (* x x) 1.0)))
0.0b
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
13.1b
(sqrt (+ (* x x) 1.0))
13.1b
(sqrt (+ (* x x) 1.0))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
95×add-sqr-sqrt
76×times-frac
53×*-un-lft-identity
47×add-cube-cbrt sqrt-prod
28×add-exp-log
24×associate-*r* associate-*l*
18×add-cbrt-cube
15×unswap-sqr
10×sqrt-div
div-exp
pow1 prod-exp
associate-/r* associate-/r/
cbrt-undiv flip3-+ flip-+
cbrt-unprod add-log-exp
div-inv associate-/l*
rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp
frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative
Counts
4 → 158
Calls
4 calls:
17.0ms
(/ x (sqrt (+ (* x x) 1.0)))
134.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
12.0ms
(sqrt (+ (* x x) 1.0))
16.0ms
(sqrt (+ (* x x) 1.0))

series402.0ms

Counts
4 → 12
Calls
4 calls:
193.0ms
(/ x (sqrt (+ (* x x) 1.0)))
74.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
77.0ms
(sqrt (+ (* x x) 1.0))
58.0ms
(sqrt (+ (* x x) 1.0))

simplify2.2s

Counts
170 → 170
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02283302
15892939
217452433
done50002426

prune479.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ 1 (/ (sqrt (+ (* x x) 1.0)) x)))
0.1b
(/ 1 (/ (sqrt (+ (* x x) 1.0)) x))
13.1b
(sqrt (+ (* x x) 1.0))
13.1b
(sqrt (+ (* x x) 1.0))

rewrite201.0ms

Algorithm
rewrite-expression-head
Rules
354×times-frac
277×add-sqr-sqrt
185×*-un-lft-identity
156×add-cube-cbrt
102×sqrt-prod
98×add-exp-log
71×associate-*r*
49×div-exp
35×unswap-sqr
30×add-cbrt-cube
28×prod-exp
24×associate-*l*
22×associate-/r*
17×rec-exp 1-exp
12×cbrt-undiv
11×pow1
10×div-inv
sqrt-div cbrt-unprod
associate-/r/ add-log-exp
pow-flip flip3-+ pow-prod-down flip-+ associate-/l* inv-pow
rem-sqrt-square sqrt-pow1 pow1/2
frac-times frac-2neg associate-*r/ associate-*l/ clear-num un-div-inv *-commutative
Counts
4 → 321
Calls
4 calls:
128.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ 1 (/ (sqrt (+ (* x x) 1.0)) x)))
25.0ms
(/ 1 (/ (sqrt (+ (* x x) 1.0)) x))
10.0ms
(sqrt (+ (* x x) 1.0))
11.0ms
(sqrt (+ (* x x) 1.0))

series403.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ 1 (/ (sqrt (+ (* x x) 1.0)) x)))
174.0ms
(/ 1 (/ (sqrt (+ (* x x) 1.0)) x))
63.0ms
(sqrt (+ (* x x) 1.0))
59.0ms
(sqrt (+ (* x x) 1.0))

simplify2.2s

Counts
333 → 333
Iterations

Useful iterations: done (2.1s)

IterNodesCost
04017816
110856418
223285351
done50005206

prune629.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1 x) (/ 1.0 (pow x 3)))
0.3b
(/ 1.0 (pow x 3))
0.5b
(/ 1.0 (pow x 5))
21.0b
(+ (- (/ 1 x) (/ 1.0 (pow x 3))) (/ 1.0 (pow x 5)))

rewrite509.0ms

Algorithm
rewrite-expression-head
Rules
89×add-sqr-sqrt
84×times-frac
70×*-un-lft-identity
45×add-cube-cbrt
27×unpow-prod-down
19×associate-/r*
15×cube-prod difference-of-squares
14×add-exp-log
11×add-log-exp sqr-pow
add-cbrt-cube
div-exp associate-/l* distribute-lft-out--
pow1 cube-mult unpow3 div-inv distribute-lft-out
frac-add
cbrt-undiv pow-to-exp sub-neg associate-+l+ flip3-- frac-2neg diff-log pow-exp clear-num sum-log frac-sub flip--
+-commutative associate-+l- flip3-+ flip-+
Counts
4 → 163
Calls
4 calls:
61.0ms
(- (/ 1 x) (/ 1.0 (pow x 3)))
9.0ms
(/ 1.0 (pow x 3))
8.0ms
(/ 1.0 (pow x 5))
421.0ms
(+ (- (/ 1 x) (/ 1.0 (pow x 3))) (/ 1.0 (pow x 5)))

series334.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(- (/ 1 x) (/ 1.0 (pow x 3)))
70.0ms
(/ 1.0 (pow x 3))
81.0ms
(/ 1.0 (pow x 5))
78.0ms
(+ (- (/ 1 x) (/ 1.0 (pow x 3))) (/ 1.0 (pow x 5)))

simplify1.5s

Counts
175 → 175
Iterations

Useful iterations: 2 (442.0ms)

IterNodesCost
02512490
15102209
214542125
done50012125

prune614.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes92.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.1b

bsearch103.0ms

Steps
ItersRangePoint
10
1.0194597579740466e-06
20796729.49276672
529.597454464039
10
-6045414056204.408
-123.41774798665298
-853997951174.7607

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02145
12831
done2831

end0.0ms

sample509.0ms

Algorithm
intervals
Results
326.0ms8000×body80valid