Details

Time bar (total: 3.1s)

analyze6.0ms (0.2%)

Algorithm
search
Search
TrueOtherFalseIter
0%100%0%0
0%100%0%1
50%50%0%2
50%25%25%3
50%0%50%4
Compiler

Compiled 8 to 7 computations (12.5% saved)

sample40.0ms (1.3%)

Algorithm
intervals
Results
15.0ms65×body1024valid
9.0ms139×body128valid
6.0ms14×body2048valid
4.0ms26×body512valid
1.0ms12×body256valid
Compiler

Compiled 15 to 14 computations (6.7% saved)

simplify159.0ms (5.1%)

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
07111
17111

prune2.0ms (0.1%)

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 28.6b

Counts
2 → 1
Compiler

Compiled 14 to 12 computations (14.3% saved)

localize6.0ms (0.2%)

Local error

Found 2 expressions with local error:

2.3b
(log.f64 (+.f64 N 1))
2.6b
(-.f64 (log.f64 (+.f64 N 1)) (log.f64 N))

rewrite17.0ms (0.5%)

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity_binary64_77
11×log-prod_binary64_160
pow1_binary64_135 add-sqr-sqrt_binary64_98
add-cube-cbrt_binary64_109 log-pow_binary64_163
associate--l+_binary64_16 distribute-lft-out--_binary64_31 log-div_binary64_161
add-exp-log_binary64_112 associate--r+_binary64_15
add-cbrt-cube_binary64_110 associate--l-_binary64_17 add-log-exp_binary64_113 flip-+_binary64_51 flip3-+_binary64_80 distribute-lft-out_binary64_30
rem-log-exp_binary64_115 sub-neg_binary64_70 flip--_binary64_52 difference-of-squares_binary64_46 flip3--_binary64_81 diff-log_binary64_166
Counts
2 → 40
Calls

2 calls:

11.0ms
(-.f64 (log.f64 (+.f64 N 1)) (log.f64 N))
3.0ms
(log.f64 (+.f64 N 1))

series70.0ms (2.3%)

Counts
2 → 6
Calls

2 calls:

48.0ms
(-.f64 (log.f64 (+.f64 N 1)) (log.f64 N))
23.0ms
(log.f64 (+.f64 N 1))

simplify105.0ms (3.4%)

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 0 (94.0ms)

IterNodesCost
04866648
14866648

prune55.0ms (1.8%)

Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New42446
Fresh000
Picked101
Done000
Total43447

Merged error: 0.1b

Counts
47 → 4
Compiler

Compiled 660 to 436 computations (33.9% saved)

localize5.0ms (0.1%)

Local error

Found 2 expressions with local error:

0.0b
(/.f64 (+.f64 N 1) N)
2.7b
(log.f64 (/.f64 (+.f64 N 1) N))

rewrite15.0ms (0.5%)

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity_binary64_77
24×times-frac_binary64_83
19×add-cube-cbrt_binary64_109 add-sqr-sqrt_binary64_98
16×log-prod_binary64_160
add-exp-log_binary64_112 distribute-lft-out_binary64_30
add-cbrt-cube_binary64_110 associate-/l*_binary64_24
associate-/r*_binary64_23 pow1_binary64_135
rem-log-exp_binary64_115 add-log-exp_binary64_113 div-exp_binary64_125 associate-/l/_binary64_26 div-inv_binary64_74
flip-+_binary64_51 cbrt-undiv_binary64_108 flip3-+_binary64_80 log-div_binary64_161 clear-num_binary64_76 log-pow_binary64_163 frac-2neg_binary64_88
Counts
2 → 60
Calls

2 calls:

6.0ms
(/.f64 (+.f64 N 1) N)
5.0ms
(log.f64 (/.f64 (+.f64 N 1) N))

series105.0ms (3.4%)

Counts
2 → 6
Calls

2 calls:

62.0ms
(/.f64 (+.f64 N 1) N)
43.0ms
(log.f64 (/.f64 (+.f64 N 1) N))

simplify71.0ms (2.3%)

Algorithm
egg-herbie
Counts
66 → 66
Iterations

Useful iterations: 0 (57.0ms)

IterNodesCost
05305940

prune50.0ms (1.6%)

Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New66066
Fresh033
Picked011
Done000
Total66470

Merged error: 0.1b

Counts
70 → 4
Compiler

Compiled 849 to 574 computations (32.4% saved)

localize16.0ms (0.5%)

Local error

Found 4 expressions with local error:

2.3b
(log.f64 (+.f64 N 1))
2.3b
(log.f64 (+.f64 N 1))
2.3b
(log.f64 (+.f64 N 1))
2.5b
(-.f64 (pow.f64 (log.f64 (+.f64 N 1)) 3) (pow.f64 (log.f64 N) 3))

rewrite36.0ms (1.2%)

Algorithm
rewrite-expression-head
Rules
31×*-un-lft-identity_binary64_77 add-sqr-sqrt_binary64_98
24×unpow-prod-down_binary64_153 cube-prod_binary64_102
23×pow1_binary64_135
19×log-pow_binary64_163
17×distribute-lft-out--_binary64_31
16×difference-of-squares_binary64_46
12×log-prod_binary64_160
sqr-pow_binary64_49
add-exp-log_binary64_112 add-cube-cbrt_binary64_109
add-log-exp_binary64_113 log-div_binary64_161
add-cbrt-cube_binary64_110
rem-log-exp_binary64_115 flip-+_binary64_51 flip3-+_binary64_80 distribute-lft-out_binary64_30
difference-cubes_binary64_79 sub-neg_binary64_70 flip--_binary64_52 flip3--_binary64_81 diff-log_binary64_166
Counts
4 → 90
Calls

4 calls:

15.0ms
(-.f64 (pow.f64 (log.f64 (+.f64 N 1)) 3) (pow.f64 (log.f64 N) 3))
3.0ms
(log.f64 (+.f64 N 1))
3.0ms
(log.f64 (+.f64 N 1))
3.0ms
(log.f64 (+.f64 N 1))

series287.0ms (9.2%)

Counts
4 → 12
Calls

4 calls:

213.0ms
(-.f64 (pow.f64 (log.f64 (+.f64 N 1)) 3) (pow.f64 (log.f64 N) 3))
27.0ms
(log.f64 (+.f64 N 1))
25.0ms
(log.f64 (+.f64 N 1))
22.0ms
(log.f64 (+.f64 N 1))

simplify44.0ms (1.4%)

Algorithm
egg-herbie
Counts
102 → 102
Iterations

Useful iterations: 0 (21.0ms)

IterNodesCost
052892220

prune197.0ms (6.3%)

Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1011102
Fresh022
Picked101
Done011
Total1024106

Merged error: 0.0b

Counts
106 → 4
Compiler

Compiled 4054 to 2572 computations (36.6% saved)

localize10.0ms (0.3%)

Local error

Found 4 expressions with local error:

0.0b
(+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N))
0.1b
(/.f64 1/3 (pow.f64 N 3))
0.6b
(/.f64 1/2 (*.f64 N N))
11.4b
(-.f64 (+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N)) (/.f64 1/2 (*.f64 N N)))

rewrite90.0ms (2.9%)

Algorithm
rewrite-expression-head
Rules
45×*-un-lft-identity_binary64_77
42×times-frac_binary64_83
35×add-sqr-sqrt_binary64_98
31×add-cube-cbrt_binary64_109
14×add-exp-log_binary64_112
13×associate-/r*_binary64_23
12×unpow-prod-down_binary64_153 cube-prod_binary64_102
11×add-cbrt-cube_binary64_110 add-log-exp_binary64_113
associate-/l*_binary64_24
div-exp_binary64_125 distribute-lft-out_binary64_30
sqr-pow_binary64_49 pow1_binary64_135 cube-mult_binary64_104 div-inv_binary64_74 unpow3_binary64_140
cbrt-undiv_binary64_108 distribute-lft-out--_binary64_31 frac-sub_binary64_86
frac-add_binary64_85 flip-+_binary64_51 flip3-+_binary64_80 difference-of-squares_binary64_46 clear-num_binary64_76 diff-log_binary64_166 frac-2neg_binary64_88 sum-log_binary64_165
pow-to-exp_binary64_143 cbrt-unprod_binary64_107 associate--l+_binary64_16 sub-neg_binary64_70 pow-exp_binary64_142 flip--_binary64_52 +-commutative_binary64_9 prod-exp_binary64_123 flip3--_binary64_81
Counts
4 → 122
Calls

4 calls:

39.0ms
(-.f64 (+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N)) (/.f64 1/2 (*.f64 N N)))
30.0ms
(+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N))
6.0ms
(/.f64 1/3 (pow.f64 N 3))
5.0ms
(/.f64 1/2 (*.f64 N N))

series206.0ms (6.6%)

Counts
4 → 12
Calls

4 calls:

89.0ms
(+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N))
47.0ms
(/.f64 1/3 (pow.f64 N 3))
40.0ms
(/.f64 1/2 (*.f64 N N))
29.0ms
(-.f64 (+.f64 (/.f64 1/3 (pow.f64 N 3)) (/.f64 1 N)) (/.f64 1/2 (*.f64 N N)))

simplify48.0ms (1.5%)

Algorithm
egg-herbie
Counts
134 → 134
Iterations

Useful iterations: 0 (23.0ms)

IterNodesCost
050952154

prune144.0ms (4.6%)

Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1322134
Fresh022
Picked011
Done011
Total1326138

Merged error: 0.0b

Counts
138 → 6
Compiler

Compiled 2771 to 1916 computations (30.9% saved)

regimes24.0ms (0.8%)

Compiler

Compiled 149 to 98 computations (34.2% saved)

bsearch18.0ms (0.6%)

Steps
ItersRangePoint
8
15.591766883003832
7979.45918561764
7619.493613923111
Compiler

Compiled 1 to 1 computations (0% saved)

simplify3.0ms (0.1%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03937
13937

end0.0ms (0%)

sample1.3s (41.3%)

Algorithm
intervals
Results
481.0ms2033×body1024valid
248.0ms4301×body128valid
141.0ms941×body512valid
101.0ms258×body2048valid
42.0ms467×body256valid
Compiler

Compiled 180 to 123 computations (31.7% saved)

Profiling

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