vadi@gooseberry:~/Programs/VirtualGL-2.3.2$ '/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest' 

GLreadtest v2.3.2 (Build 20130616)

/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest -h for advanced usage.

Rendering to Pbuffer using GLX on display :0.0
FB Config = 0x111
Drawable size = 701 x 701 pixels
Using 1-byte row alignment

>>>>>>>>>>  PIXEL FORMAT:  LUM  <<<<<<<<<<
glDrawPixels():   1600 Mpixels/sec
glReadPixels():   1.471 Mpixels/sec (min = 1.423, max = 1.509, sdev = 0.03623)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RED  <<<<<<<<<<
glDrawPixels():   565.9 Mpixels/sec
glReadPixels():   215.6 Mpixels/sec (min = 101.9, max = 218.3, sdev = 6.838)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGRA  <<<<<<<<<<
glDrawPixels():   580.2 Mpixels/sec
glReadPixels():   270.1 Mpixels/sec (min = 231.3, max = 273.8, sdev = 5.341)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  ABGR  <<<<<<<<<<
glDrawPixels():   581.3 Mpixels/sec
glReadPixels():   225.2 Mpixels/sec (min = 108.4, max = 228.5, sdev = 7.525)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGR  <<<<<<<<<<
glDrawPixels():   575.8 Mpixels/sec
glReadPixels():   225.2 Mpixels/sec (min = 200.8, max = 226.9, sdev = 2.310)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGBA  <<<<<<<<<<
glDrawPixels():   580.7 Mpixels/sec
glReadPixels():   157.3 Mpixels/sec (min = 146.4, max = 157.9, sdev = 0.8661)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGB  <<<<<<<<<<
glDrawPixels():   502.6 Mpixels/sec
glReadPixels():   149.8 Mpixels/sec (min = 91.73, max = 151.4, sdev = 4.404)
glReadPixels() accounted for 100.00% of total readback time

vadi@gooseberry:~/Programs/VirtualGL-2.3.2$ '/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest' 

GLreadtest v2.3.2 (Build 20130616)

/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest -h for advanced usage.

Rendering to Pbuffer using GLX on display :0.0
FB Config = 0x111
Drawable size = 701 x 701 pixels
Using 1-byte row alignment

>>>>>>>>>>  PIXEL FORMAT:  LUM  <<<<<<<<<<
glDrawPixels():   1620 Mpixels/sec
glReadPixels():   1.519 Mpixels/sec (min = 1.518, max = 1.519, sdev = 0.0005635)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RED  <<<<<<<<<<
glDrawPixels():   578.7 Mpixels/sec
glReadPixels():   217.4 Mpixels/sec (min = 189.7, max = 218.8, sdev = 2.569)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGRA  <<<<<<<<<<
glDrawPixels():   581.7 Mpixels/sec
glReadPixels():   272.4 Mpixels/sec (min = 218.5, max = 274.7, sdev = 4.423)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  ABGR  <<<<<<<<<<
glDrawPixels():   583.2 Mpixels/sec
glReadPixels():   227.5 Mpixels/sec (min = 199.4, max = 228.9, sdev = 2.113)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGR  <<<<<<<<<<
glDrawPixels():   579.0 Mpixels/sec
glReadPixels():   226.0 Mpixels/sec (min = 200.7, max = 227.5, sdev = 2.103)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGBA  <<<<<<<<<<
glDrawPixels():   583.5 Mpixels/sec
glReadPixels():   157.2 Mpixels/sec (min = 141.0, max = 158.1, sdev = 1.575)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGB  <<<<<<<<<<
glDrawPixels():   511.7 Mpixels/sec
glReadPixels():   150.7 Mpixels/sec (min = 130.4, max = 151.7, sdev = 2.173)
glReadPixels() accounted for 100.00% of total readback time

vadi@gooseberry:~/Programs/VirtualGL-2.3.2$ '/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest' 

GLreadtest v2.3.2 (Build 20130616)

/home/vadi/Programs/VirtualGL-2.3.2/bin/glreadtest -h for advanced usage.

Rendering to Pbuffer using GLX on display :0.0
FB Config = 0x111
Drawable size = 701 x 701 pixels
Using 1-byte row alignment

>>>>>>>>>>  PIXEL FORMAT:  LUM  <<<<<<<<<<
glDrawPixels():   1560 Mpixels/sec
glReadPixels():   1.493 Mpixels/sec (min = 1.426, max = 1.518, sdev = 0.03912)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RED  <<<<<<<<<<
glDrawPixels():   574.0 Mpixels/sec
glReadPixels():   216.5 Mpixels/sec (min = 191.1, max = 218.4, sdev = 2.828)
glReadPixels() accounted for 100.00% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGRA  <<<<<<<<<<
glDrawPixels():   582.7 Mpixels/sec
glReadPixels():   273.5 Mpixels/sec (min = 239.7, max = 275.9, sdev = 3.165)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  ABGR  <<<<<<<<<<
glDrawPixels():   582.2 Mpixels/sec
glReadPixels():   227.1 Mpixels/sec (min = 198.7, max = 229.4, sdev = 3.440)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  BGR  <<<<<<<<<<
glDrawPixels():   543.9 Mpixels/sec
glReadPixels():   176.3 Mpixels/sec (min = 129.1, max = 194.5, sdev = 16.24)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGBA  <<<<<<<<<<
glDrawPixels():   538.9 Mpixels/sec
glReadPixels():   145.8 Mpixels/sec (min = 34.34, max = 157.9, sdev = 17.33)
glReadPixels() accounted for 99.99% of total readback time

>>>>>>>>>>  PIXEL FORMAT:  RGB  <<<<<<<<<<
glDrawPixels():   501.4 Mpixels/sec
glReadPixels():   137.3 Mpixels/sec (min = 76.22, max = 151.5, sdev = 19.50)
glReadPixels() accounted for 100.00% of total readback time

vadi@gooseberry:~/Programs/VirtualGL-2.3.2$