Details

Time bar (total: 8.1s)

sample62.0ms

Algorithm
intervals
Results
36.0ms79×body1280valid
12.0ms61×body640valid
3.0ms28×body320valid
2.0ms79×body80valid
1.0ms82×body80nan
1.0msbody160valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
044
154
done54

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.3b

localize3.0ms

Local error

Found 1 expressions with local error:

2.7b
(log (+ 1.0 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(log (+ 1.0 x))

simplify662.0ms

Counts
18 → 18
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
058178
1123171
2306151
31069151
done5000151

prune46.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 126
Calls
2 calls:
32.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
24.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

series92.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
40.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))

simplify1.0s

Counts
132 → 132
Iterations

Useful iterations: 2 (414.0ms)

IterNodesCost
02681979
16791743
229011523
done50001523

prune285.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.3b

localize5.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1.0 x))
0.0b
(sqrt (+ 1.0 x))
2.7b
(log (sqrt (+ 1.0 x)))
2.7b
(log (sqrt (+ 1.0 x)))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×sqrt-prod
14×log-prod
12×add-sqr-sqrt
10×pow1 add-cube-cbrt
sqrt-div
add-exp-log log-pow
log-div sqrt-pow1 flip3-+ pow1/2 add-cbrt-cube flip-+ distribute-lft-out add-log-exp
rem-sqrt-square rem-log-exp
Counts
4 → 72
Calls
4 calls:
4.0ms
(sqrt (+ 1.0 x))
4.0ms
(sqrt (+ 1.0 x))
3.0ms
(log (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))

series221.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(sqrt (+ 1.0 x))
35.0ms
(sqrt (+ 1.0 x))
78.0ms
(log (sqrt (+ 1.0 x)))
79.0ms
(log (sqrt (+ 1.0 x)))

simplify768.0ms

Counts
84 → 84
Iterations

Useful iterations: 3 (236.0ms)

IterNodesCost
089852
1177778
2452706
31848702
done5001702

prune176.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (+ 1.0 x)))
2.7b
(log (sqrt (+ 1.0 x)))
2.8b
(log (sqrt (sqrt (+ 1.0 x))))
2.8b
(log (sqrt (sqrt (+ 1.0 x))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
38×sqrt-prod
27×log-prod
22×*-un-lft-identity
16×add-sqr-sqrt
14×pow1 add-cube-cbrt sqrt-div
13×sqrt-pow1 log-pow
add-exp-log pow1/2
log-div
flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
rem-log-exp
rem-sqrt-square
Counts
4 → 92
Calls
4 calls:
5.0ms
(sqrt (sqrt (+ 1.0 x)))
3.0ms
(log (sqrt (+ 1.0 x)))
4.0ms
(log (sqrt (sqrt (+ 1.0 x))))
4.0ms
(log (sqrt (sqrt (+ 1.0 x))))

series410.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(sqrt (sqrt (+ 1.0 x)))
82.0ms
(log (sqrt (+ 1.0 x)))
118.0ms
(log (sqrt (sqrt (+ 1.0 x))))
124.0ms
(log (sqrt (sqrt (+ 1.0 x))))

simplify2.1s

Counts
104 → 104
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01741245
13521148
29981057
343111020
done50001016

prune256.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.2b

regimes119.0ms

Accuracy

97.8% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 21.4b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01626
12026
done2026

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.0s2336×body1280valid
343.0ms1650×body640valid
85.0ms818×body320valid
58.0ms2790×body80valid
39.0ms2656×body80nan
25.0ms406×body160valid