tqchen commented on a change in pull request #7488:
URL: https://github.com/apache/tvm/pull/7488#discussion_r584127204
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File path: src/runtime/crt/common/crt_runtime_api.c
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@@ -87,16 +87,33 @@ int TVMDeviceAllocDataSpace(DLContext ctx, size_t nbytes,
size_t alignment, DLDa
if (alignment != 1) {
nbytes = (nbytes + alignment - 1) / alignment * alignment;
}
-
return TVMPlatformMemoryAllocate(nbytes, ctx, out_data);
}
+int TVMDeviceAllocDataSpaceWithScope(DLContext ctx, int ndim, const int64_t*
shape,
+ DLDataType dtype, const char* mem_scope,
void** out_data) {
+ size_t nbytes = 1;
+ for (int i = 0; i < ndim; ++i) {
+ nbytes *= shape[i];
+ }
+ nbytes *= (dtype.bits * dtype.lanes + 7) / 8;
+
+ int kAllocAlignment = 128;
+ size_t align = (dtype.bits / 8) * dtype.lanes;
+ if (align < kAllocAlignment) align = kAllocAlignment;
+ return TVMDeviceAllocDataSpace(ctx, nbytes, align, dtype, out_data);
+}
+
int TVMDeviceFreeDataSpace(TVMContext ctx, void* ptr) { return
TVMPlatformMemoryFree(ptr, ctx); }
-int TVMDeviceCopyDataFromTo(const void* from, size_t from_offset, void* to,
size_t to_offset,
- size_t num_bytes, TVMContext ctx_from, TVMContext
ctx_to,
- DLDataType type_hint, TVMStreamHandle stream) {
- memcpy(((uint8_t*)to) + to_offset, ((uint8_t*)from) + from_offset,
num_bytes);
+int TVMDeviceCopyDataFromTo(DLTensor* from, DLTensor* to, TVMStreamHandle
stream) {
+ assert(from->strides == NULL && to->strides == NULL);
Review comment:
update this as well
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