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std.Progress: move more global preallocations to thread memory

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Same idea as previous commit
This commit is contained in:
Andrew Kelley 2024-05-26 15:17:10 -07:00
parent 7fe72d560d
commit 807b613f71
1 changed files with 15 additions and 7 deletions
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22
lib/std/Progress.zig
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@ -532,6 +532,12 @@ const Serialized = struct {
parents: [node_storage_buffer_len]Node.Parent,
storage: [node_storage_buffer_len]Node.Storage,
map: [node_storage_buffer_len]Node.Index,
parents_copy: [node_storage_buffer_len]Node.Parent,
storage_copy: [node_storage_buffer_len]Node.Storage,
ipc_metadata_copy: [node_storage_buffer_len]SavedMetadata,
ipc_metadata: [node_storage_buffer_len]SavedMetadata,
};
};
@ -583,11 +589,6 @@ fn serialize(serialized_buffer: *Serialized.Buffer) Serialized {
};
}
var parents_copy: [node_storage_buffer_len]Node.Parent = undefined;
var storage_copy: [node_storage_buffer_len]Node.Storage = undefined;
var ipc_metadata_copy: [node_storage_buffer_len]SavedMetadata = undefined;
var ipc_metadata: [node_storage_buffer_len]SavedMetadata = undefined;
var ipc_metadata_len: u16 = 0;
const SavedMetadata = struct {
@ -612,6 +613,9 @@ const SavedMetadata = struct {
};
fn serializeIpc(start_serialized_len: usize, serialized_buffer: *Serialized.Buffer) usize {
const ipc_metadata_copy = &serialized_buffer.ipc_metadata_copy;
const ipc_metadata = &serialized_buffer.ipc_metadata;
var serialized_len = start_serialized_len;
var pipe_buf: [2 * 4096]u8 align(4) = undefined;
@ -707,8 +711,8 @@ fn serializeIpc(start_serialized_len: usize, serialized_buffer: *Serialized.Buff
}
// Save a copy in case any pipes are empty on the next update.
@memcpy(parents_copy[0..serialized_len], serialized_buffer.parents[0..serialized_len]);
@memcpy(storage_copy[0..serialized_len], serialized_buffer.storage[0..serialized_len]);
@memcpy(serialized_buffer.parents_copy[0..serialized_len], serialized_buffer.parents[0..serialized_len]);
@memcpy(serialized_buffer.storage_copy[0..serialized_len], serialized_buffer.storage[0..serialized_len]);
@memcpy(ipc_metadata_copy[0..ipc_metadata_len], ipc_metadata[0..ipc_metadata_len]);
return serialized_len;
@ -737,6 +741,10 @@ fn useSavedIpcData(
main_index: usize,
old_metadata: []const SavedMetadata,
) usize {
const parents_copy = &serialized_buffer.parents_copy;
const storage_copy = &serialized_buffer.storage_copy;
const ipc_metadata = &serialized_buffer.ipc_metadata;
const ipc_fd = main_storage.getIpcFd().?;
const saved_metadata = findOld(ipc_fd, old_metadata) orelse {
main_storage.completed_count = 0;