4 The GFXprim library behavior may be changed by a couple of environment
10 'GP_THREADS' overrides GP_NrThreadsSet() settings. The value is the same as it
11 would have been set by GP_NrThreadsSet() which is described in the table
14 .GP_THREADS possible values
15 [width="60%",options="header"]
16 |=============================================================================
18 | 0 | Use auto-detection, algorithms runs in nCPU threads unless the image
20 | 1 | Use one thread only.
21 | >=2 | Use N threads unless the image buffer is too small.
22 |=============================================================================
27 The 'GP_DEBUG' environment variable may be used to set library debug level.
28 The variable and its value is used only once at the time first debug message
29 is about to be printed.