Forum > GPU crunching
GPU client
Radiohead:
New data with new 169.21 videodrivers.
[attachment deleted by admin]
Devaster:
HEY YA !
this version produces correct results with small differences
this is from cuda app :
--- Code: ---<best_spike>
<peak_power>22.561671618532</peak_power>
<mean_power>1</mean_power>
<time>2451239.5780686</time>
<ra>8.3192064227348</ra>
<decl>27.898178773406</decl>
<q_pix>0</q_pix>
<freq>1418974011.7011</freq>
<detection_freq>1418983759.2021</detection_freq>
<barycentric_freq>0</barycentric_freq>
<fft_len>131072</fft_len>
<chirp_rate>-0.90022989063243</chirp_rate>
<rfi_checked>0</rfi_checked>
<rfi_found>0</rfi_found>
<reserved>0</reserved>
</best_spike>
--- End code ---
and this is from default app :
--- Code: ---<best_spike>
<peak_power>22.561794281006</peak_power>
<mean_power>1</mean_power>
<time>2451239.5780686</time>
<ra>8.3192064227348</ra>
<decl>27.898178773406</decl>
<q_pix>0</q_pix>
<freq>1418975203.0489</freq>
<detection_freq>1418975184.9249</detection_freq>
<barycentric_freq>0</barycentric_freq>
<fft_len>131072</fft_len>
<chirp_rate>-0.90022989063243</chirp_rate>
<rfi_checked>0</rfi_checked>
<rfi_found>0</rfi_found>
<reserved>0</reserved>
</best_spike>
--- End code ---
as you see there are very small differencs in float numbers - different rounding ???
an other data are same
[attachment deleted by admin]
Gecko_R7:
Are the float/rounding differences enough to cause validation problem?
Radiohead:
<peak_power>22.561671618532</peak_power>
<peak_power>22.561794281006</peak_power>
<freq>1418974011.7011</freq>
<freq>1418975203.0489</freq>
<detection_freq>1418983759.2021</detection_freq>
<detection_freq>1418975184.9249</detection_freq>
Small???
:) :) :)
Devaster:
yeah this is small to compare with totally different previous results .... ;D
and yeah this problem by validation ....
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