26 lines
928 B
Python
26 lines
928 B
Python
|
from tinygrad.device import Device, Buffer
|
||
|
|
from tinygrad.dtype import dtypes, _to_np_dtype
|
||
|
|
|
||
|
|
dev = Device.default
|
||
|
|
mbin = dev.compiler.compile("""
|
||
|
|
typedef long unsigned int size_t;
|
||
|
|
extern "C" __attribute__((device, const)) size_t __ockl_get_group_id(unsigned int);
|
||
|
|
extern "C" __attribute__((global)) void __attribute__((amdgpu_flat_work_group_size(1, 1))) write_ones(signed char* data0) {
|
||
|
|
int gidx0 = __ockl_get_group_id(0); /* 16 */
|
||
|
|
int gidx1 = __ockl_get_group_id(1); /* 1026048 */
|
||
|
|
*(data0+(gidx0+gidx1*1)) = 1;
|
||
|
|
}
|
||
|
|
""")
|
||
|
|
dev.compiler.disassemble(mbin)
|
||
|
|
buf0 = Buffer(Device.DEFAULT, 1*65537, dtypes.uint8).ensure_allocated()
|
||
|
|
|
||
|
|
prg = dev.runtime("write_ones", mbin)
|
||
|
|
prg(buf0._buf, global_size=(1,65537,1), local_size=(1,1,1), wait=True)
|
||
|
|
|
||
|
|
import numpy as np
|
||
|
|
def to_np(buf): return np.frombuffer(buf.as_buffer().cast(buf.dtype.base.fmt), dtype=_to_np_dtype(buf.dtype.base))
|
||
|
|
|
||
|
|
big = to_np(buf0)
|
||
|
|
print(big)
|
||
|
|
print((big-1).nonzero())
|