Dear Greg,<br>Thank you for the information. Copied below a part of the glxinfo command and OPENGL renderer string is given as Software Rasterizer.<br><br>[cbala@ramana ~]$ glxinfo<br>name of display: :0.0<br>display: :0 screen: 0<br>
direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)<br>server glx vendor string: SGI<br>server glx version string: 1.2<br>server glx extensions:<br> GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, <br>
GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, <br> GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, <br> GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer<br>
client glx vendor string: NVIDIA Corporation<br>client glx version string: 1.4<br>client glx extensions:<br> GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_visual_info, <br> GLX_EXT_visual_rating, GLX_EXT_import_context, GLX_SGI_video_sync, <br>
GLX_NV_swap_group, GLX_NV_video_out, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, <br> GLX_SGI_swap_control, GLX_ARB_create_context, GLX_NV_float_buffer, <br> GLX_ARB_fbconfig_float, GLX_EXT_fbconfig_packed_float, <br> GLX_EXT_texture_from_pixmap, GLX_EXT_framebuffer_sRGB, <br>
GLX_NV_present_video, GLX_NV_multisample_coverage<br>GLX version: 1.2<br>GLX extensions:<br> GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, <br> GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_SGIX_fbconfig, <br>
GLX_ARB_get_proc_address<br>OpenGL vendor string: Mesa Project<br>OpenGL renderer string: Software Rasterizer<br>OpenGL version string: 1.4 (2.1 Mesa 7.3-devel)<br><br>Cheers,<br>Bala<br><br><br><div class="gmail_quote">
On Thu, May 7, 2009 at 8:44 PM, Greg Couch <span dir="ltr"><<a href="mailto:gregc@cgl.ucsf.edu">gregc@cgl.ucsf.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Looking at your chimera benchmark scores and at the scores on the web page, <a href="http://socrates2.cgl.ucsf.edu/trac/chimera/wiki/benchmarks" target="_blank">http://socrates2.cgl.ucsf.edu/trac/chimera/wiki/benchmarks</a>, it looks like you don't have the NVidia graphics driver installed. And that would make a *huge* difference. To double-check, run the glxinfo command and look at the "OpenGL renderer string:" line, it should have NVIDIA in it instead of Mesa. To get the NVidia drivers, go to <<a href="http://www.nvidia.com/Download/index.aspx" target="_blank">http://www.nvidia.com/Download/index.aspx</a>>.<br>
<font color="#888888">
<br>
- Greg</font><div><div></div><div class="h5"><br>
<br>
On Thu, 7 May 2009, Bala subramanian wrote:<br>
<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Dear Greg,<br>
You are right. Previously it was normal but now it is slow. I havent updated<br>
the kernel. I checked and noticed that i dnt have any memory intensive<br>
background jobs also.<br>
<br>
I did benchmarks with two chimera versions 1.3 (attached file chim_test) and<br>
chimera 1.4 (attached chim_test1).<br>
My graphics card is nVIDIA GETFORCE 9300MG, VRAM: 256 MB. I dnt know how to<br>
compare and judge what is going wrong. I wud appreciate your help on the<br>
same.<br>
<br>
Thanks,<br>
Bala<br>
<br>
So it was formerly fast on the same computer? This could happen on a Linux<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
computer if you updated the kernel and forgot to reinstall the graphics<br>
driver (from ATI or NVidia, the open source 3D drivers still need work, but<br>
are improving). Another possibility, on all operatings sytems, is that<br>
there is a background process that is using a lot of CPU or memory, so<br>
chimera doesn't have the resources it used to.<br>
<br>
If you just want to check the graphics performance, then you can use the<br>
Benchmark tool in Tool / Utilities to guage the current performance. And<br>
then you can compare to the reported scores to see if your graphics<br>
performance is reasonable (the Show button in the Benchmark tool brings up<br>
the web page).<br>
<br>
- Greg<br>
<br>
</blockquote>
<br>
</blockquote>
</div></div></blockquote></div><br>