from __future__ import annotations import ctypes, functools, subprocess, io from typing import Tuple, TypeVar, List, Any, cast, Set import tinygrad.runtime.autogen.hip as hip from tinygrad.helpers import DEBUG, getenv, init_c_var from tinygrad.helpers import from_mv, round_up, to_mv, colored, init_c_struct_t from tinygrad.device import Compiled, LRUAllocator, BufferOptions, Runner, Device, Buffer, MallocAllocator, update_stats, Compiler, CompilerOptions from tinygrad.renderer.cstyle import HIPRenderer from tinygrad.runtime.support.hip_comgr import compile_hip from tinygrad.renderer.rdna import uops_to_rdna class RDNACompiler(Compiler): linearizer_opts = LinearizerOptions("HIP", has_tensor_cores=True) def __init__(self, arch:str): self.arch = arch super().__init__(f"compile_rdna_{self.arch}") def render(self, name:str, uops) -> str: return uops_to_rdna(name, uops) def compile(self, src:str) -> bytes: ret = compile_hip(src, self.arch, True) #with open("/tmp/out.so", "wb") as f: f.write(ret) return ret class HIPCompiler(Compiler): compiler_opts = CompilerOptions("HIP", has_tensor_cores=True, shared_max=65536) def __init__(self, arch:str): self.arch = arch super().__init__(f"compile_hip_{self.arch}") def render(self, name:str, uops) -> str: return HIPRenderer(name, uops) def compile(self, src:str) -> bytes: return compile_hip(src, self.arch) hip_current_device = None def hip_set_device(d:int): global hip_current_device if d == hip_current_device: return check(hip.hipSetDevice(d)) hip_current_device = d def check(status): if status != 0: raise RuntimeError(f"HIP Error {status}, {ctypes.string_at(hip.hipGetErrorString(status)).decode()}") class HIPProgram: def __init__(self, device:int, name:str, lib:bytes): self.device, self.name, self.lib = device, name, lib if DEBUG >= 6: asm = subprocess.check_output(["/opt/rocm/llvm/bin/llvm-objdump", '-d', '-'], input=lib) print('\n'.join([x for x in asm.decode('utf-8').split("\n") if 's_code_end' not in x])) hip_set_device(self.device) self.module = init_c_var(hip.hipModule_t(), lambda x: check(hip.hipModuleLoadData(ctypes.byref(x), lib))) self.prg = init_c_var(hip.hipFunction_t(), lambda x: check(hip.hipModuleGetFunction(ctypes.byref(x), self.module, name.encode("utf-8")))) def __del__(self): if hasattr(self, 'module'): check(hip.hipModuleUnload(self.module)) def __call__(self, *args, global_size:Tuple[int,int,int]=(1,1,1), local_size:Tuple[int,int,int]=(1,1,1), vals:Tuple[int, ...]=(), wait=False): hip_set_device(self.device) if not hasattr(self, "vargs"): self.c_args = init_c_struct_t(tuple([(f'f{i}', hip.hipDeviceptr_t) for i in range(len(args))] + [(f'v{i}', ctypes.c_int) for i in range(len(vals))]))(*args, *vals) self.vargs = (ctypes.c_void_p * 5)(ctypes.c_void_p(1), ctypes.cast(ctypes.byref(self.c_args), ctypes.c_void_p), ctypes.c_void_p(2), ctypes.cast(ctypes.byref(ctypes.c_size_t(ctypes.sizeof(self.c_args))), ctypes.c_void_p), ctypes.c_void_p(3)) else: for i in range(len(args)): self.c_args.__setattr__(f'f{i}', args[i]) for i in range(len(vals)): self.c_args.__setattr__(f'v{i}', vals[i]) if wait: evs = [init_c_var(hip.hipEvent_t(), lambda x: hip.hipEventCreate(ctypes.byref(x), 0)) for _ in range(2)] check(hip.hipEventRecord(evs[0], None)) check(hip.hipModuleLaunchKernel(self.prg, *global_size, *local_size, 0, None, None, self.vargs)) if wait: check(hip.hipEventRecord(evs[1], None)) check(hip.hipEventSynchronize(evs[1])) check(hip.hipEventElapsedTime(ctypes.byref(ret := ctypes.c_float()), evs[0], evs[1])) for ev in evs: check(hip.hipEventDestroy(ev)) return ret.value * 1e-3 return None T = TypeVar("T") CHUNK_SIZE, PAGE_SIZE = 256*1024*1024, 0x1000 class HIPAllocator(LRUAllocator): def __init__(self, device:HIPDevice): self.device = device self.track_cross_device: Set[HIPDevice] = set() super().__init__() def full_synchronize(self): self.device.synchronize() for x in self.track_cross_device: x.synchronize() self.track_cross_device.clear() def free_cache(self): self.full_synchronize() return super().free_cache() def _alloc(self, size:int): hip_set_device(self.device.device) return init_c_var(hip.hipDeviceptr_t(), lambda x: check(hip.hipMalloc(ctypes.byref(x), size))) def _alloc_with_options(self, size:int, options:BufferOptions): hip_set_device(self.device.device) if options.uncached: return init_c_var(hip.hipDeviceptr_t(), lambda x: check(hip.hipExtMallocWithFlags(ctypes.byref(x), size, 3))) # hipDeviceMallocUncached = 3 elif options.host: return init_c_var(hip.hipDeviceptr_t(), lambda x: check(hip.hipHostMalloc(ctypes.byref(x), size, 2 if options.signal else 0))) else: raise Exception("no options") def _free(self, opaque:T): check(hip.hipFree(opaque)) def copy_from_fd(self, dest, fd, offset, size): hip_set_device(self.device.device) if not hasattr(self, 'hb'): self.hb = [self._alloc_with_options(CHUNK_SIZE, BufferOptions(host=True)) for _ in range(2)] self.hb_events = [None, None] self.hb_polarity = 0 fo = io.FileIO(fd, "a+b", closefd=False) fo.seek(offset - (minor_offset:=offset % PAGE_SIZE)) copied_in = 0 for local_offset in range(0, size+minor_offset, CHUNK_SIZE): local_size = min(round_up(size+minor_offset, PAGE_SIZE)-local_offset, CHUNK_SIZE) if self.hb_events[self.hb_polarity] is not None: # NOTE: block doesn't work here because we modify the CPU memory check(hip.hipEventSynchronize(self.hb_events[self.hb_polarity])) check(hip.hipEventDestroy(self.hb_events[self.hb_polarity])) self.hb_events[self.hb_polarity] = None fo.readinto(to_mv(self.hb[self.hb_polarity], local_size)) check(hip.hipMemcpyAsync(ctypes.c_void_p(dest.value + copied_in), ctypes.c_void_p(self.hb[self.hb_polarity].value + minor_offset), copy_size:=min(local_size-minor_offset, size-copied_in), hip.hipMemcpyHostToDevice, None)) self.hb_events[self.hb_polarity] = init_c_var(hip.hipEvent_t(), lambda x: check(hip.hipEventCreate(ctypes.byref(x)))) check(hip.hipEventRecord(self.hb_events[self.hb_polarity], None)) copied_in += copy_size self.hb_polarity = (self.hb_polarity+1) % len(self.hb) minor_offset = 0 # only on the first def copyin(self, dest:T, src: memoryview): hip_set_device(self.device.device) host_mem = self._alloc_with_options(len(src), BufferOptions(host=True)) self.device.pending_copyin.append(host_mem) ctypes.memmove(host_mem, from_mv(src), len(src)) check(hip.hipMemcpyAsync(dest, host_mem, len(src), hip.hipMemcpyHostToDevice, None)) def copyout(self, dest:memoryview, src:T): self.full_synchronize() hip_set_device(self.device.device) check(hip.hipMemcpy(from_mv(dest), src, len(dest), hip.hipMemcpyDeviceToHost)) def transfer(self, dest:T, src:T, sz:int, **kwargs): hip_set_device(self.device.device) check(hip.hipMemcpyAsync(dest, src, sz, hip.hipMemcpyDeviceToDevice, None)) class HIPSyncEvent(Runner): def __init__(self, lb): self.lb, self.device, self.dname = lb, cast(HIPDevice, Device[lb.device]), lb.device super().__init__() def __call__(self, rawbufs:List[Buffer], var_vals, wait=False, jit=False): to_mv(rawbufs[0]._buf, 4).cast("I")[0] = 0 hip_set_device(self.device.device) check(hip.hipStreamWriteValue32(None, rawbufs[0]._buf, 1, 0)) update_stats(colored("sync", "red"), 0, 0, {}, None, 1, jit, device=self.dname) class HIPWaitEvent(Runner): def __init__(self, device): self.device, self.dname = cast(HIPDevice, Device[device]), device super().__init__() def __call__(self, rawbufs:List[Buffer], var_vals, wait=False, jit=False): hip_set_device(self.device.device) check(hip.hipStreamWaitValue32(None, rawbufs[0]._buf, 1, 1, 0xFFFFFFFF)) update_stats(colored("wait", "RED"), 0, 0, {}, None, 1, jit, device=self.dname) if getenv("HIPCPU"): rhip = ctypes.CDLL("/usr/local/lib/libremu.so") class RHIPProgram: def __init__(self, name:str, lib:bytes): self.name, self.lib = name, lib def __call__(self, *args, global_size, local_size, vals=(), wait=False): args = (*args, *vals) rhip.hipModuleLaunchKernel(self.lib, len(self.lib), *global_size, *local_size, 0, None, None, len(args), (ctypes.c_void_p * len(args))(*[ctypes.cast(x, ctypes.c_void_p) for x in args])) class HIPDevice(Compiled): def __init__(self, device:str=""): self.device = int(device.split(":")[1]) if ":" in device else 0 self.pending_copyin: List[ctypes.c_void_p] = [] self.track_cross_buffer: List[Any] = [] self.peers: Set[int] = set() if getenv("HIPCPU"): super().__init__(device, MallocAllocator, HIPCompiler("gfx1100"), RHIPProgram) else: self.arch = init_c_var(hip.hipDeviceProp_t(), lambda x: check(hip.hipGetDeviceProperties(x, self.device))).gcnArchName.decode() from tinygrad.runtime.graph.hip import HIPGraph super().__init__(device, HIPAllocator(self), RDNACompiler(self.arch) if getenv("RDNA") else HIPCompiler(self.arch), functools.partial(HIPProgram, self.device), HIPGraph) def synchronize(self): if getenv("HIPCPU"): return hip_set_device(self.device) check(hip.hipDeviceSynchronize()) for opaque in self.pending_copyin: check(hip.hipFree(opaque)) self.track_cross_buffer.clear() self.pending_copyin.clear() def enable_peer(self, dnum): if self.device == dnum or dnum in self.peers: return hip_set_device(self.device) check(hip.hipDeviceEnablePeerAccess(dnum, 0)) self.peers.add(dnum)