Details

Time bar (total: 25.3s)

sample43.0ms

Algorithm
intervals
Results
9.0ms54×body1280valid
9.0ms249×body80nan
6.0ms44×body640valid
5.0ms20×body320valid
4.0ms121×body80valid
1.0ms17×body160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
312
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1))
4.4b
(- (sqrt (+ x 1)) (sqrt x))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
61×sqrt-prod
55×*-un-lft-identity
43×add-sqr-sqrt
42×prod-diff
31×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp difference-of-squares
pow1 distribute-lft-out--
expm1-log1p-u add-cbrt-cube sqrt-div add-exp-log hypot-def insert-posit16 log1p-expm1-u
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ flip3-- pow1/2 diff-log flip-+ flip--
Counts
2 → 92
Calls
2 calls:
10.0ms
(sqrt (+ x 1))
50.0ms
(- (sqrt (+ x 1)) (sqrt x))

series98.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(sqrt (+ x 1))
71.0ms
(- (sqrt (+ x 1)) (sqrt x))

simplify2.5s

Counts
98 → 98
Iterations
IterNodes
44001
31450
2620
1285
0134

prune790.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1))
0.0b
(+ (sqrt (+ x 1)) (sqrt x))
0.2b
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
57×*-un-lft-identity
28×sqrt-prod
22×distribute-lft-out
21×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
fma-def add-exp-log
associate-/r*
pow1 add-cbrt-cube add-log-exp
expm1-log1p-u flip3-+ flip-+ insert-posit16 log1p-expm1-u associate-/l*
sqrt-div div-exp associate-/r/ hypot-def
cbrt-undiv +-commutative rem-sqrt-square rec-exp clear-num sum-log frac-2neg sqrt-pow1 pow1/2 1-exp div-inv pow-flip inv-pow
Counts
3 → 93
Calls
3 calls:
5.0ms
(sqrt (+ x 1))
32.0ms
(+ (sqrt (+ x 1)) (sqrt x))
28.0ms
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

series156.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(sqrt (+ x 1))
50.0ms
(+ (sqrt (+ x 1)) (sqrt x))
78.0ms
(/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

simplify1.4s

Counts
102 → 102
Iterations
IterNodes
42651
31150
2574
1257
0126

prune944.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
0.1b
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
0.2b
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
0.2b
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
742×*-un-lft-identity
708×sqrt-prod
594×times-frac
280×distribute-lft-out
270×add-sqr-sqrt
252×add-cube-cbrt
36×associate-/l*
28×sqrt-div
24×associate-/r/
18×associate-/r*
17×add-exp-log
15×pow1
14×flip3-+ flip-+
12×div-inv
11×add-cbrt-cube
div-exp hypot-def pow-flip
sqrt-pow1 pow1/2
pow-div
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square rec-exp clear-num frac-2neg 1-exp inv-pow
associate-/l/
Counts
4 → 479
Calls
4 calls:
38.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
50.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
113.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
35.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

series531.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
117.0ms
(sqrt (+ (sqrt (+ x 1)) (sqrt x)))
77.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (sqrt (+ (sqrt (+ x 1)) (sqrt x))))
166.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

simplify2.6s

Counts
491 → 491
Iterations
IterNodes
34633
21670
1848
0370

prune5.0s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt x))
0.2b
(hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x)))
0.2b
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x))))
0.2b
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
234×*-un-lft-identity times-frac
170×sqrt-prod
124×add-sqr-sqrt
122×add-cube-cbrt
64×distribute-lft-out
36×associate-/l*
17×add-exp-log
12×associate-/r*
11×add-cbrt-cube
10×sqrt-div associate-/r/
pow1 div-exp
div-inv
sqrt-pow1 flip3-+ flip-+
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u add-log-exp
pow1/2 pow-flip
rem-sqrt-square rec-exp clear-num frac-2neg 1-exp
hypot-udef inv-pow associate-/l/
Counts
4 → 250
Calls
4 calls:
2.0ms
(sqrt (sqrt x))
0.0ms
(hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x)))
58.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x))))
28.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

series1.3s

Counts
4 → 12
Calls
4 calls:
227.0ms
(sqrt (sqrt x))
312.0ms
(hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x)))
601.0ms
(/ (/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x)))) (hypot (sqrt (sqrt (+ x 1))) (sqrt (sqrt x))))
180.0ms
(/ 1 (sqrt (+ (sqrt (+ x 1)) (sqrt x))))

simplify3.6s

Counts
262 → 262
Iterations
IterNodes
24053
11328
0519

prune3.7s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes63.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
211
111
07

end0.0ms

sample2.0s

Algorithm
intervals
Results
551.0ms7978×body80nan
529.0ms1712×body1280valid
288.0ms1260×body640valid
246.0ms4111×body80valid
132.0ms605×body320valid
60.0ms312×body160valid