驱动已经装上，但glxgears FPS 只有 140左右？

FansVVV

#glxinfo |less
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.2
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating,
    GLX_EXT_import_context, GLX_OML_swap_method, GLX_SGI_make_current_read,
    GLX_SGIS_multisample, GLX_SGIX_hyperpipe, GLX_SGIX_swap_barrier,
    GLX_SGIX_fbconfig
client glx vendor string: ATI
client glx version string: 1.3
client glx extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_import_context,
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_ATI_pixel_format_float,
    GLX_ATI_render_texture
GLX extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_import_context,
    GLX_ARB_multisample
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: RADEON 9550 Generic
OpenGL version string: 2.0.5946 (8.27.10)
OpenGL extensions:
    GL_ARB_multitexture, GL_EXT_texture_env_add, GL_EXT_compiled_vertex_array,
    GL_S3_s3tc, GL_ARB_depth_texture, GL_ARB_fragment_program,
    GL_ARB_fragment_program_shadow, GL_ARB_fragment_shader,
    GL_ARB_multisample, GL_ARB_occlusion_query, GL_ARB_point_parameters,
    GL_ARB_point_sprite, GL_ARB_shader_objects, GL_ARB_shading_language_100,
    GL_ARB_shadow, GL_ARB_shadow_ambient, GL_ARB_texture_border_clamp,
    GL_ARB_texture_compression, GL_ARB_texture_cube_map,
    GL_ARB_texture_env_add, GL_ARB_texture_env_combine,
    GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3,
    GL_ARB_texture_mirrored_repeat, GL_ARB_transpose_matrix,
    GL_ARB_vertex_blend, GL_ARB_vertex_buffer_object, GL_ARB_vertex_program,
    GL_ARB_vertex_shader, GL_ARB_window_pos, GL_ARB_draw_buffers,
    GL_ATI_draw_buffers, GL_ATI_element_array, GL_ATI_envmap_bumpmap,
    GL_ATI_fragment_shader, GL_ATI_map_object_buffer, GL_ATI_separate_stencil,
    GL_ATI_texture_env_combine3, GL_ATI_texture_float,
    GL_ATI_texture_mirror_once, GL_ATI_vertex_array_object,
    GL_ATI_vertex_attrib_array_object, GL_ATI_vertex_streams,
    GL_ATIX_texture_env_combine3, GL_ATIX_texture_env_route,
    GL_ATIX_vertex_shader_output_point_size, GL_EXT_abgr, GL_EXT_bgra,
    GL_EXT_blend_color, GL_EXT_blend_func_separate, GL_EXT_blend_minmax,
    GL_EXT_blend_subtract, GL_EXT_clip_volume_hint,
GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_object,
    GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_point_parameters,
    GL_EXT_rescale_normal, GL_EXT_secondary_color,
    GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, GL_EXT_stencil_wrap,
    GL_EXT_texgen_reflection, GL_EXT_texture3D,
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map,
    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_combine,
    GL_EXT_texture_env_dot3, GL_EXT_texture_filter_anisotropic,
    GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp,
    GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_vertex_array,
    GL_EXT_vertex_shader, GL_HP_occlusion_test, GL_NV_blend_square,
    GL_NV_occlusion_query, GL_NV_texgen_reflection, GL_SGI_color_matrix,
    GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp,
    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays
glu version: 1.3
glu extensions:
    GLU_EXT_nurbs_tessellator, GLU_EXT_object_space_tess

   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
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(END)

[root@MagicFans ~]# glxgears
680 frames in 5.0 seconds = 135.902 FPS
693 frames in 5.0 seconds = 138.442 FPS
717 frames in 5.0 seconds = 143.202 FPS
716 frames in 5.0 seconds = 143.065 FPS
708 frames in 5.0 seconds = 141.539 FPS
712 frames in 5.0 seconds = 142.338 FPS
743 frames in 5.0 seconds = 148.464 FPS
734 frames in 5.0 seconds = 146.683 FPS
709 frames in 5.0 seconds = 141.768 FPS
736 frames in 5.0 seconds = 147.099 FPS
734 frames in 5.0 seconds = 146.761 FPS
722 frames in 5.0 seconds = 144.188 FPS
734 frames in 5.0 seconds = 146.665 FPS
722 frames in 5.0 seconds = 144.240 FPS
665 frames in 5.0 seconds = 132.927 FPS
713 frames in 5.0 seconds = 142.584 FPS
696 frames in 5.0 seconds = 139.085 FPS
701 frames in 5.0 seconds = 139.853 FPS
706 frames in 5.0 seconds = 141.071 FPS
517 frames in 5.0 seconds = 103.394 FPS
704 frames in 5.0 seconds = 140.646 FPS
710 frames in 5.0 seconds = 141.911 FPS
720 frames in 5.0 seconds = 143.886 FPS
719 frames in 5.0 seconds = 143.720 FPS
716 frames in 5.0 seconds = 143.029 FPS

啥原因?

VirusCamp

正常， 这一版的 fglrx (8.27.10) 普遍都是 fgl_glxgears 跑得比 glxgears 快。

以前一般 glxgears 的速度是 fgl_glxgears 的5倍。

我一直想问跑大型 3d 软件如何？ 比如 doom quake 之类。

VirusCamp

你的 9550 好像很差的样子， 我的也是，但 glxgears 是 200 多， fgl_glxgears 是 380 。

FansVVV

[quote:99cb0be147="VirusCamp"]你的 9550 好像很差的样子， 我的也是，但 glxgears 是 200 多， fgl_glxgears 是 380 。[/quote]

我的显卡是铭瑄 狂镭9550黄金版3代 128M DDR 显存（5n/s），250MHz/400MHz。fgl_glxgears 和你一样
[root@MagicFans ~]# fgl_glxgears
Using GLX_SGIX_pbuffer
1515 frames in 5.0 seconds = 303.000 FPS
1632 frames in 5.0 seconds = 326.400 FPS
1934 frames in 5.0 seconds = 386.800 FPS
1927 frames in 5.0 seconds = 385.400 FPS
1609 frames in 5.0 seconds = 321.800 FPS
1768 frames in 5.0 seconds = 353.600 FPS
1934 frames in 5.0 seconds = 386.800 FPS
1934 frames in 5.0 seconds = 386.800 FPS
1938 frames in 5.0 seconds = 387.600 FPS
1934 frames in 5.0 seconds = 386.800 FPS
1928 frames in 5.0 seconds = 385.600 FPS
1942 frames in 5.0 seconds = 388.400 FPS
1930 frames in 5.0 seconds = 386.000 FPS
1930 frames in 5.0 seconds = 386.000 FPS
1928 frames in 5.0 seconds = 385.600 FPS
1931 frames in 5.0 seconds = 386.200 FPS
1934 frames in 5.0 seconds = 386.800 FPS
1892 frames in 5.0 seconds = 378.400 FPS