Details

Time bar (total: 9.9s)

sample286.0ms

Algorithm
intervals
Results
20.0ms797×body80nan
5.0ms255×body80valid
0.0msbody160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize7.0ms

Local error

Found 1 expressions with local error:

0.5b
(* (sqrt (- x 1.0)) (sqrt x))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
12×sqrt-prod
associate-*l*
*-un-lft-identity
associate-*r*
pow1 add-cube-cbrt
unswap-sqr
add-exp-log pow-prod-down add-cbrt-cube
sqrt-pow1 pow1/2 sqrt-div associate-*l/
expm1-log1p-u flip3-- sqrt-unprod prod-exp *-commutative flip-- cbrt-unprod log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
Counts
1 → 36
Calls
1 calls:
15.0ms
(* (sqrt (- x 1.0)) (sqrt x))

series80.0ms

Counts
1 → 3
Calls
1 calls:
80.0ms
(* (sqrt (- x 1.0)) (sqrt x))

simplify2.8s

Counts
39 → 39
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
085403
1189372
2472354
31224352
43387350
done5001350

prune73.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b
(- x (+ (/ 0.125 x) 0.5))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
12×prod-diff
11×add-sqr-sqrt
add-cube-cbrt
add-log-exp
distribute-lft-out
fma-neg
diff-log distribute-lft-out--
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- sum-log add-cbrt-cube flip-- log1p-expm1-u associate--r+ difference-of-squares
Counts
1 → 34
Calls
1 calls:
29.0ms
(- x (+ (/ 0.125 x) 0.5))

series19.0ms

Counts
1 → 3
Calls
1 calls:
19.0ms
(- x (+ (/ 0.125 x) 0.5))

simplify1.4s

Counts
37 → 37
Iterations

Useful iterations: 3 (466.0ms)

IterNodesCost
068776
1158562
2446431
32194340
done5000340

prune48.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (- x 1.0)))
0.1b
(sqrt (sqrt (- x 1.0)))
0.2b
(* (sqrt (sqrt (- x 1.0))) (* (sqrt (sqrt (- x 1.0))) (sqrt x)))
0.4b
(* (sqrt (sqrt (- x 1.0))) (sqrt x))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
66×sqrt-prod
40×add-sqr-sqrt
36×sqrt-div
24×*-un-lft-identity
22×associate-*l*
20×pow1
16×add-cube-cbrt
13×sqrt-pow1
11×add-exp-log add-cbrt-cube
10×pow-prod-down associate-*l/
flip3-- pow1/2 flip--
associate-*r*
unswap-sqr
expm1-log1p-u frac-times rem-sqrt-square prod-exp cbrt-unprod log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
sqrt-unprod
associate-*r/ *-commutative
Counts
4 → 130
Calls
4 calls:
7.0ms
(sqrt (sqrt (- x 1.0)))
4.0ms
(sqrt (sqrt (- x 1.0)))
35.0ms
(* (sqrt (sqrt (- x 1.0))) (* (sqrt (sqrt (- x 1.0))) (sqrt x)))
16.0ms
(* (sqrt (sqrt (- x 1.0))) (sqrt x))

series529.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(sqrt (sqrt (- x 1.0)))
99.0ms
(sqrt (sqrt (- x 1.0)))
65.0ms
(* (sqrt (sqrt (- x 1.0))) (* (sqrt (sqrt (- x 1.0))) (sqrt x)))
265.0ms
(* (sqrt (sqrt (- x 1.0))) (sqrt x))

simplify1.2s

Counts
142 → 142
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02372042
15921710
216841570
done50001549

prune328.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (- x 1.0)))
0.2b
(* x (sqrt (- x 1.0)))
0.2b
(* (sqrt (sqrt (- x 1.0))) (pow (* x (sqrt (- x 1.0))) (/ 1 2)))
22.6b
(pow (* x (sqrt (- x 1.0))) (/ 1 2))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
39×sqrt-prod
26×*-un-lft-identity
20×add-cube-cbrt
17×add-exp-log
14×associate-*l*
13×pow-unpow associate-*r*
12×pow1
10×sqrt-div
times-frac
add-cbrt-cube unswap-sqr
prod-exp
sqrt-pow1 sqr-pow
expm1-log1p-u pow-exp log1p-expm1-u add-log-exp
flip3-- pow-prod-down flip-- distribute-lft-out-- difference-of-squares
pow-to-exp unpow-prod-down rem-sqrt-square pow-pow pow1/2 associate-*r/ associate-*l/ *-commutative cbrt-unprod
div-inv
Counts
4 → 122
Calls
4 calls:
4.0ms
(sqrt (sqrt (- x 1.0)))
11.0ms
(* x (sqrt (- x 1.0)))
21.0ms
(* (sqrt (sqrt (- x 1.0))) (pow (* x (sqrt (- x 1.0))) (/ 1 2)))
6.0ms
(pow (* x (sqrt (- x 1.0))) (/ 1 2))

series463.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(sqrt (sqrt (- x 1.0)))
82.0ms
(* x (sqrt (- x 1.0)))
63.0ms
(* (sqrt (sqrt (- x 1.0))) (pow (* x (sqrt (- x 1.0))) (/ 1 2)))
216.0ms
(pow (* x (sqrt (- x 1.0))) (/ 1 2))

simplify1.1s

Counts
134 → 134
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02912046
16931748
219381639
done50011635

prune320.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes16.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
177
done77

end0.0ms

sample1.0s

Algorithm
intervals
Results
562.0ms23802×body80nan
151.0ms7989×body80valid
0.0ms11×body160valid