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metal : fix compute pass descriptor autorelease crash #9718

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merged 1 commit into from
Oct 3, 2024
Merged

metal : fix compute pass descriptor autorelease crash #9718

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6 changes: 1 addition & 5 deletions ggml/src/ggml-metal.m
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Original file line number Diff line number Diff line change
Expand Up @@ -230,8 +230,6 @@
id<MTLDevice> device;
id<MTLCommandQueue> queue;

MTLComputePassDescriptor * edesc;

dispatch_queue_t d_queue;

struct ggml_metal_kernel kernels[GGML_METAL_KERNEL_TYPE_COUNT];
Expand Down Expand Up @@ -349,8 +347,6 @@ static void ggml_metal_log(enum ggml_log_level level, const char * format, ...){
struct ggml_backend_metal_context * ctx = calloc(1, sizeof(struct ggml_backend_metal_context));
ctx->device = device;
ctx->queue = [ctx->device newCommandQueue];
ctx->edesc = MTLComputePassDescriptor.computePassDescriptor;
ctx->edesc.dispatchType = MTLDispatchTypeSerial;
ctx->d_queue = dispatch_queue_create("ggml-metal", DISPATCH_QUEUE_CONCURRENT);

id<MTLLibrary> metal_library;
Expand Down Expand Up @@ -3061,7 +3057,7 @@ static enum ggml_status ggml_metal_graph_compute(
const int n_nodes_per_cb = ctx->n_nodes_per_cb;

id<MTLCommandBuffer> command_buffer = ctx->command_buffers[cb_idx];
id<MTLComputeCommandEncoder> encoder = [command_buffer computeCommandEncoderWithDescriptor: ctx->edesc];
id<MTLComputeCommandEncoder> encoder = [command_buffer computeCommandEncoder];

int node_start = 0;
int node_end = n_nodes_0;
Expand Down
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