Details

Time bar (total: 6.4s)

analyze150.0ms (2.3%)

Algorithm
search
Search
TrueOtherFalseIter
0%0.6%99.4%0
0%0.6%99.4%1
0%0.6%99.4%2
0.3%0.3%99.4%3
0.3%0.3%99.4%4
0.5%0.2%99.4%5
0.5%0.2%99.4%6
0.6%0.1%99.4%7
0.6%0.1%99.4%8
0.6%0%99.4%9
0.6%0%99.4%10
0.6%0%99.4%11
0.6%0%99.4%12
0.6%0%99.4%13
0.6%0%99.4%14
Compiler

Compiled 41 to 27 computations (34.1% saved)

sample2.0s (31.5%)

Results
2.0s8256×body128valid
Compiler

Compiled 108 to 70 computations (35.2% saved)

simplify50.0ms (0.8%)

Algorithm
egg-herbie
Rules
608×associate-/l*_binary32
462×associate-*l*_binary32
382×associate-*l/_binary32
363×associate-*r*_binary32
360×distribute-lft-in_binary32
Counts
1 → 2
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
01433
14531
216031
366131
4279131
5486631
6497831

prune4.0ms (0.1%)

Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New022
Fresh011
Picked000
Done000
Total033
Error
0.5b
Counts
3 → 2
Alt Table
StatusErrorProgram
0.5b
(/.f32 (fma.f32 alpha alpha -1) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (fma.f32 (fma.f32 alpha alpha -1) (*.f32 cosTheta cosTheta) 1)))
0.5b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
Compiler

Compiled 145 to 87 computations (40% saved)

localize47.0ms (0.7%)

Local error

Found 4 expressions with local error:

NewErrorProgram
0.2b
(*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta)
0.2b
(*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta)
0.3b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.4b
(*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha)))

series155.0ms (2.4%)

Counts
4 → 84
Calls

4 calls:

87.0ms
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
44.0ms
(*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha)))
13.0ms
(*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta)
11.0ms
(*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta)

rewrite37.0ms (0.6%)

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube_binary32
22×add-exp-log_binary32
21×pow1_binary32
18×add-sqr-sqrt_binary32
15×associate-*r*_binary32
Counts
4 → 111
Calls

4 calls:

10.0ms
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
7.0ms
(*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta)
6.0ms
(*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha)))
6.0ms
(*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta)

simplify142.0ms (2.2%)

Algorithm
egg-herbie
Rules
633×associate-*l*_binary32
535×times-frac_binary32
508×associate-/r*_binary32
299×associate-/l*_binary32
183×fma-def_binary32
Counts
195 → 231
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
04195485
112804813
253824813

prune336.0ms (5.2%)

Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New2238231
Fresh101
Picked101
Done000
Total2258233
Error
0b
Counts
233 → 8
Alt Table
StatusErrorProgram
0.6b
(-.f32 (/.f32 (*.f32 alpha alpha) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1))) (/.f32 (/.f32 (/.f32 1/2 (log.f32 alpha)) (PI.f32)) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))
0.5b
(cbrt.f32 (/.f32 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) (-.f32 (*.f32 alpha alpha) 1)) (-.f32 (*.f32 alpha alpha) 1)) (*.f32 (*.f32 (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta)))) (*.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))))
0.7b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (*.f32 (cbrt.f32 (PI.f32)) (cbrt.f32 (PI.f32))) (*.f32 (cbrt.f32 (PI.f32)) (log.f32 (*.f32 alpha alpha)))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.8b
(exp.f32 (log.f32 (/.f32 (fma.f32 alpha alpha -1) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))))
0.8b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (*.f32 (cbrt.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha)))) (cbrt.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))))) (cbrt.f32 (*.f32 (PI.f32) (log.f32 (*.f32 alpha alpha))))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.5b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.7b
(*.f32 (sqrt.f32 (/.f32 (fma.f32 alpha alpha -1) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))) (sqrt.f32 (/.f32 (fma.f32 alpha alpha -1) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))))
0.4b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
Compiler

Compiled 9151 to 4907 computations (46.4% saved)

localize77.0ms (1.2%)

Local error

Found 4 expressions with local error:

NewErrorProgram
0.3b
(*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
0.7b
(pow.f32 (*.f32 2 (log.f32 alpha)) 3)
0.7b
(pow.f32 (fma.f32 alpha alpha -1) 3)
1.0b
(pow.f32 (PI.f32) 3)

series83.0ms (1.3%)

Counts
4 → 36
Calls

4 calls:

49.0ms
(*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
31.0ms
(pow.f32 (*.f32 2 (log.f32 alpha)) 3)
3.0ms
(pow.f32 (fma.f32 alpha alpha -1) 3)
0.0ms
(pow.f32 (PI.f32) 3)

rewrite23.0ms (0.4%)

Algorithm
rewrite-expression-head
Rules
29×add-exp-log_binary32
25×add-sqr-sqrt_binary32
16×prod-exp_binary32
15×*-un-lft-identity_binary32
15×add-cube-cbrt_binary32
Counts
4 → 126
Calls

4 calls:

7.0ms
(*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
3.0ms
(pow.f32 (*.f32 2 (log.f32 alpha)) 3)
2.0ms
(pow.f32 (PI.f32) 3)
2.0ms
(pow.f32 (fma.f32 alpha alpha -1) 3)

simplify130.0ms (2%)

Algorithm
egg-herbie
Rules
869×fma-def_binary32
478×log-prod_binary32
459×exp-prod_binary32
268×associate-*r*_binary32
264×associate-*l*_binary32
Counts
162 → 166
Iterations

Useful iterations: 3 (0.0ms)

IterNodesCost
01572300
13452209
215542043
334762037
449602037
551272037

prune230.0ms (3.6%)

Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1642166
Fresh437
Picked011
Done000
Total1686174
Error
0b
Counts
174 → 6
Alt Table
StatusErrorProgram
0.5b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.3b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.7b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (*.f32 (cbrt.f32 (PI.f32)) (cbrt.f32 (PI.f32))) (*.f32 (cbrt.f32 (PI.f32)) (log.f32 (*.f32 alpha alpha)))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.4b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.7b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (*.f32 (pow.f32 (*.f32 (cbrt.f32 (PI.f32)) (cbrt.f32 (PI.f32))) 3) (pow.f32 (cbrt.f32 (PI.f32)) 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.6b
(-.f32 (/.f32 (*.f32 alpha alpha) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1))) (/.f32 (/.f32 (/.f32 1/2 (log.f32 alpha)) (PI.f32)) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))
Compiler

Compiled 6259 to 4443 computations (29% saved)

localize95.0ms (1.5%)

Local error

Found 4 expressions with local error:

NewErrorProgram
0.3b
(*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
0.7b
(pow.f32 (*.f32 2 (log.f32 alpha)) 3)
0.7b
(pow.f32 (fma.f32 alpha alpha -1) 3)
1.0b
(pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3))

series630.0ms (9.8%)

Counts
2 → 12
Calls

2 calls:

630.0ms
(*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
0.0ms
(pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3))

rewrite20.0ms (0.3%)

Algorithm
rewrite-expression-head
Rules
36×add-exp-log_binary32
30×pow-exp_binary32
29×unpow-prod-down_binary32
25×prod-exp_binary32
21×add-sqr-sqrt_binary32
Counts
2 → 88
Calls

2 calls:

10.0ms
(*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3))
3.0ms
(pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3))

simplify104.0ms (1.6%)

Algorithm
egg-herbie
Rules
808×fma-def_binary32
459×*-commutative_binary32
407×distribute-rgt-in_binary32
299×distribute-rgt-neg-out_binary32
290×unswap-sqr_binary32
Counts
100 → 114
Iterations

Useful iterations: 3 (0.0ms)

IterNodesCost
01422317
12851896
210181848
322091816
446491816
551071816

prune276.0ms (4.3%)

Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1851186
Fresh134
Picked011
Done011
Total1866192
Error
0b
Counts
192 → 6
Alt Table
StatusErrorProgram
0.5b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.3b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.7b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (*.f32 (*.f32 (cbrt.f32 (PI.f32)) (cbrt.f32 (PI.f32))) (*.f32 (cbrt.f32 (PI.f32)) (log.f32 (*.f32 alpha alpha)))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.4b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.6b
(-.f32 (/.f32 (*.f32 alpha alpha) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1))) (/.f32 (/.f32 (/.f32 1/2 (log.f32 alpha)) (PI.f32)) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))
0.7b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (expm1.f32 (log1p.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)))) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
Compiler

Compiled 7857 to 5849 computations (25.6% saved)

localize50.0ms (0.8%)

Local error

Found 4 expressions with local error:

NewErrorProgram
0.2b
(*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta)
0.2b
(*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta)
0.3b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
3.3b
(pow.f32 (*.f32 alpha alpha) (PI.f32))

series124.0ms (1.9%)

Counts
2 → 36
Calls

2 calls:

98.0ms
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
25.0ms
(pow.f32 (*.f32 alpha alpha) (PI.f32))

rewrite15.0ms (0.2%)

Algorithm
rewrite-expression-head
Rules
10×add-exp-log_binary32
10×pow1_binary32
add-cbrt-cube_binary32
*-un-lft-identity_binary32
add-sqr-sqrt_binary32
Counts
2 → 57
Calls

2 calls:

9.0ms
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
3.0ms
(pow.f32 (*.f32 alpha alpha) (PI.f32))

simplify77.0ms (1.2%)

Algorithm
egg-herbie
Rules
467×associate-*r*_binary32
452×associate-/r*_binary32
414×times-frac_binary32
406×associate-*l*_binary32
265×associate-/l*_binary32
Counts
93 → 121
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
03604112
111203692
251163692

prune246.0ms (3.8%)

Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New2081209
Fresh123
Picked011
Done022
Total2096215
Error
0b
Counts
215 → 6
Alt Table
StatusErrorProgram
0.5b
(/.f32 (-.f32 (*.f32 alpha alpha) 1) (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))))
0.3b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.4b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (pow.f32 (PI.f32) 3) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
0.5b
(/.f32 (-.f32 (*.f32 (*.f32 alpha alpha) (*.f32 alpha alpha)) (*.f32 1 1)) (*.f32 (*.f32 (log.f32 (pow.f32 (*.f32 alpha alpha) (PI.f32))) (+.f32 1 (*.f32 (*.f32 (-.f32 (*.f32 alpha alpha) 1) cosTheta) cosTheta))) (+.f32 (*.f32 alpha alpha) 1)))
0.6b
(-.f32 (/.f32 (*.f32 alpha alpha) (*.f32 (*.f32 2 (*.f32 (PI.f32) (log.f32 alpha))) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1))) (/.f32 (/.f32 (/.f32 1/2 (log.f32 alpha)) (PI.f32)) (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1)))
0.7b
(cbrt.f32 (/.f32 (pow.f32 (fma.f32 alpha alpha -1) 3) (*.f32 (*.f32 (expm1.f32 (log1p.f32 (pow.f32 (pow.f32 (PI.f32) (sqrt.f32 3)) (sqrt.f32 3)))) (pow.f32 (*.f32 2 (log.f32 alpha)) 3)) (pow.f32 (fma.f32 cosTheta (*.f32 cosTheta (fma.f32 alpha alpha -1)) 1) 3))))
Compiler

Compiled 8006 to 4351 computations (45.7% saved)

regimes1.1s (17.8%)

Accuracy

Total 0.4b remaining (96.8%)

Threshold costs 0.4b (96.8%)

Counts
187 → 1
Compiler

Compiled 27370 to 18186 computations (33.6% saved)

simplify2.0ms (0%)

Algorithm
egg-herbie
Rules
*-commutative_binary32
1-exp_binary32
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02352
12952
22852

end157.0ms (2.4%)

Compiler

Compiled 281 to 206 computations (26.7% saved)

Profiling

Loading profile data...