hi, i m getting a very strange issue with constant memory lately.
My code work fine if a int buffer ( 2 elements ) is in global mem (__global) but when i swap it to (__constant) the result become completely wrong.
The weird stuff is, i tried not to use this buffer in the kernel and the result is still wrong, with __global it works fine.
i dont really get it, why this space qualifier is blowing up my code even if i dont use the buffer.
here is the kernel signature PTX code :
.entry func(
.param .align 4 .b8 func_param_0[52],
.param .u32 func_param_1,
.param .u32 func_param_2,
.param .u32 .ptr .global .align 4 func_param_3,
.param .u32 .ptr .global .align 64 func_param_4,
.param .u32 .ptr .global .align 32 func_param_5,
.param .u32 .ptr .global .align 16 func_param_6,
.param .u32 .ptr .global .align 4 func_param_7,
.param .u32 .ptr .const .align 4 func_param_8,
.param .u32 .ptr .global .align 16 func_param_9,
.param .u32 .ptr .global .align 16 func_param_10,
.param .u32 .ptr .global .align 16 func_param_11,
.param .u32 .ptr .global .align 4 func_param_12,
.param .u32 .ptr .global .align 4 func_param_13,
.param .u32 .ptr .global .align 4 func_param_14,
.param .u32 .ptr .global .align 1 func_param_15,
.param .u32 .ptr .global .align 4 func_param_16,
.param .u32 .ptr .global .align 4 func_param_17,
.param .u32 .ptr .global .align 16 func_param_18,
.param .u32 .ptr .global .align 4 func_param_19,
.param .u32 .ptr .global .align 16 func_param_20,
.param .u32 .ptr .global .align 4 func_param_21,
.param .u32 .ptr .global .align 16 func_param_22,
.param .u32 .ptr .global .align 16 func_param_23
)
func_param_8 is const and mess completely the code even without using it.
if anyone has an idea ? i am using a gForce 560Ti.
ty
Roger512