Details

Time bar (total: 4.1s)

analyze15.0ms (0.4%)

Algorithm
search
Search
TrueOtherFalseIter
0%23.7%76.3%0
0%23.7%76.3%1
11.9%11.9%76.3%2
17.8%5.9%76.3%3
20.8%3%76.3%4
22.2%1.5%76.3%5
23%0.7%76.3%6
23.3%0.4%76.3%7
23.3%0.4%76.3%8
23.4%0.3%76.3%9
23.5%0.2%76.3%10
23.5%0.2%76.3%11
23.5%0.2%76.3%12
23.6%0.2%76.3%13
23.6%0.1%76.3%14
Compiler

Compiled 18 to 14 computations (22.2% saved)

sample81.0ms (2%)

Algorithm
intervals
Results
39.0ms131×body1024valid
13.0ms69×body512valid
13.0ms16×body2048valid
4.0ms36×body256valid
4.0ms256×pre128true
0.0msbody128valid
Compiler

Compiled 33 to 27 computations (18.2% saved)

simplify322.0ms (7.9%)

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (228.0ms)

IterNodesCost
0609423

prune3.0ms (0.1%)

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 63.0b

Counts
2 → 1
Compiler

Compiled 30 to 24 computations (20% saved)

localize12.0ms (0.3%)

Local error

Found 3 expressions with local error:

0.3b
(*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1)))
0.3b
(*.f64 n (log.f64 n))
5.6b
(-.f64 (*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1))) (*.f64 n (log.f64 n)))

rewrite29.0ms (0.7%)

Algorithm
rewrite-expression-head
Rules
28×log-prod_binary64_505
25×*-un-lft-identity_binary64_419
19×add-sqr-sqrt_binary64_441
15×add-cube-cbrt_binary64_454
14×distribute-rgt-in_binary64_369 distribute-lft-in_binary64_368
pow1_binary64_480
associate--l+_binary64_356 associate-*r*_binary64_359
associate-*l*_binary64_360 add-cbrt-cube_binary64_455 add-exp-log_binary64_457
associate--r+_binary64_355
add-log-exp_binary64_458 distribute-lft-out_binary64_370
associate-*l/_binary64_362 pow-prod-down_binary64_490 unswap-sqr_binary64_387 prod-exp_binary64_468 cbrt-unprod_binary64_452 log-pow_binary64_508 *-commutative_binary64_350
flip3-+_binary64_422 sub-neg_binary64_412 flip3--_binary64_423 flip-+_binary64_393 diff-log_binary64_511 flip--_binary64_394 cancel-sign-sub-inv_binary64_385
Counts
3 → 81
Calls

3 calls:

10.0ms
(-.f64 (*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1))) (*.f64 n (log.f64 n)))
8.0ms
(*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1)))
4.0ms
(*.f64 n (log.f64 n))

series154.0ms (3.8%)

Counts
3 → 12
Calls

3 calls:

78.0ms
(*.f64 n (log.f64 n))
56.0ms
(-.f64 (*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1))) (*.f64 n (log.f64 n)))
20.0ms
(*.f64 (+.f64 n 1) (log.f64 (+.f64 n 1)))
Compiler

Compiled 311 to 251 computations (19.3% saved)

simplify87.0ms (2.1%)

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 0 (70.0ms)

IterNodesCost
049231511
149231511

prune121.0ms (3%)

Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New791493
Fresh000
Picked101
Done000
Total801494

Merged error: 60.5b

Counts
94 → 14
Compiler

Compiled 2265 to 1458 computations (35.6% saved)

localize9.0ms (0.2%)

Local error

Found 1 expressions with local error:

0.0b
(-.f64 (+.f64 (-.f64 1 (log.f64 n)) (*.f64 n 1/2)) 1)

rewrite11.0ms (0.3%)

Algorithm
rewrite-expression-head
Rules
add-log-exp_binary64_458
add-sqr-sqrt_binary64_441
*-un-lft-identity_binary64_419
diff-log_binary64_511
cancel-sign-sub-inv_binary64_385
difference-of-squares_binary64_388 add-cube-cbrt_binary64_454 sum-log_binary64_510
associate--l+_binary64_356 sub-neg_binary64_412 difference-of-sqr-1_binary64_389 associate-+l-_binary64_354 flip3--_binary64_423 distribute-lft-out--_binary64_371 add-cbrt-cube_binary64_455 add-exp-log_binary64_457 associate--l-_binary64_357 flip--_binary64_394 pow1_binary64_480
Counts
1 → 22
Calls

1 calls:

9.0ms
(-.f64 (+.f64 (-.f64 1 (log.f64 n)) (*.f64 n 1/2)) 1)

series53.0ms (1.3%)

Counts
1 → 5
Calls

1 calls:

53.0ms
(-.f64 (+.f64 (-.f64 1 (log.f64 n)) (*.f64 n 1/2)) 1)
Compiler

Compiled 49 to 44 computations (10.2% saved)

simplify66.0ms (1.6%)

Algorithm
egg-herbie
Counts
27 → 27
Iterations

Useful iterations: 0 (58.0ms)

IterNodesCost
05032359

prune24.0ms (0.6%)

Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New26127
Fresh13013
Picked101
Done000
Total40141

Merged error: 0b

Counts
41 → 1
Compiler

Compiled 323 to 210 computations (35% saved)

localize5.0ms (0.1%)

rewrite0.0ms (0%)

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms (0%)

Counts
0 → 0

simplify6.0ms (0.1%)

Algorithm
egg-herbie
Counts
0 → 0
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
000

prune0.0ms (0%)

Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New000
Fresh000
Picked011
Done000
Total011

Merged error: 0b

Counts
1 → 1
Compiler

Compiled 0 to 0 computations (0% saved)

regimes159.0ms (3.9%)

Compiler

Compiled 1999 to 1504 computations (24.8% saved)

bsearch0.0ms (0%)

simplify2.0ms (0%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
179

end0.0ms (0%)

sample2.9s (71.6%)

Algorithm
intervals
Results
1.3s4238×body1024valid
410.0ms2048×body512valid
209.0ms466×body2048valid
132.0ms1092×body256valid
106.0ms8000×pre128true
9.0ms156×body128valid
Compiler

Compiled 695 to 526 computations (24.3% saved)

Profiling

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