Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[CRT]fix to reduce RAM size during loading model #5507

Merged
merged 2 commits into from
May 8, 2020
Merged

[CRT]fix to reduce RAM size during loading model #5507

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
6387f51
[CRT]fix to reduce RAM size during loading model
siju-samuel May 4, 2020
2e7f0ab
Release graph_json memory immediately after reading
siju-samuel May 8, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 18 additions & 2 deletions src/runtime/crt/graph_runtime.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -672,6 +672,7 @@ void TVMGraphRuntime_SetupStorage(TVMGraphRuntime * runtime) {
pool_entry_count = sid + 1;
}
pool_entry[sid].size = MAX(pool_entry[sid].size, bytes);
pool_entry[sid].bits = MAX(pool_entry[sid].bits, t.bits);
pool_entry[sid].device_type = device_type;
}

Expand All @@ -682,8 +683,23 @@ void TVMGraphRuntime_SetupStorage(TVMGraphRuntime * runtime) {
TVMGraphRuntimePoolEntry pit = pool_entry[idx];
int64_t shape[TVM_CRT_MAX_NDIM] = {0, };
TVMContext ctx = runtime->ctxs[0];
DLDataType dtype = {kDLFloat, 32, 1};
shape[0] = (pit.size + 3) / 4;
DLDataType dtype;
if (pit.bits == 8) {
dtype.code = kDLInt;
dtype.bits = 8;
dtype.lanes = 1;
shape[0] = pit.size;
} else if (pit.bits == 16) {
dtype.code = kDLInt;
dtype.bits = 16;
dtype.lanes = 1;
shape[0] = (pit.size + 1) / 2;
} else {
dtype.code = kDLFloat;
dtype.bits = 32;
dtype.lanes = 1;
shape[0] = (pit.size + 3) / 4;
}
runtime->storage_pool[runtime->storage_pool_count] = TVMNDArray_Empty(1, shape, dtype, ctx);
CHECK_NE(runtime->storage_pool[runtime->storage_pool_count].dl_tensor.data, 0,
"fail to create storage_pool with idx=%d\n", idx);
Expand Down
1 change: 1 addition & 0 deletions src/runtime/crt/graph_runtime.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ typedef struct TVMOpParam {
typedef struct TVMGraphRuntimePoolEntry {
size_t size;
int device_type;
int bits;
} TVMGraphRuntimePoolEntry;

// Node entry
Expand Down