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metal : fix encoders memory leak

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Georgi Gerganov 2023-08-24 20:59:10 +03:00
parent f8e816e3f7
commit 59196290f8
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GPG key ID: 449E073F9DC10735
1 changed files with 8 additions and 4 deletions
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12
ggml-metal.m
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@ -521,13 +521,16 @@ void ggml_metal_graph_compute(
const int n_cb = ctx->n_cb;
NSMutableArray * command_buffers = [NSMutableArray arrayWithCapacity:n_cb];
NSMutableArray * command_buffers = [NSMutableArray arrayWithCapacity:n_cb];
NSMutableArray * command_encoders = [NSMutableArray arrayWithCapacity:n_cb];
for (int i = 0; i < n_cb; ++i) {
command_buffers[i] = [ctx->queue commandBuffer];
// enqueue the command buffers in order to specify their execution order
[command_buffers[i] enqueue];
command_encoders[i] = [command_buffers[i] computeCommandEncoderWithDescriptor: edesc];
}
// TODO: is this the best way to start threads?
@ -541,9 +544,8 @@ void ggml_metal_graph_compute(
size_t offs_src1 = 0;
size_t offs_dst = 0;
id<MTLCommandBuffer> command_buffer = command_buffers[cb_idx];
id<MTLComputeCommandEncoder> encoder = [command_buffer computeCommandEncoderWithDescriptor: edesc];
id<MTLCommandBuffer> command_buffer = command_buffers[cb_idx];
id<MTLComputeCommandEncoder> encoder = command_encoders[cb_idx];
const int node_start = (cb_idx + 0) * n_nodes_per_cb;
const int node_end = MIN((cb_idx == n_cb - 1) ? n_nodes : (cb_idx + 1) * n_nodes_per_cb, n_nodes);
@ -1133,8 +1135,10 @@ void ggml_metal_graph_compute(
GGML_ASSERT(false);
}
[command_encoders[i] release];
[command_buffers[i] release];
}
[command_encoders release];
[command_buffers release];
}