metal : round up to 16 to fix MTLDebugComputeCommandEncoder assertion (#3938)

This commit is contained in:
Peter Sugihara 2023-11-03 12:18:18 -07:00 committed by GitHub
parent 5ba3746171
commit d9b33fe95b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23

View file

@ -1017,7 +1017,7 @@ void ggml_metal_graph_compute(
[encoder setBytes:&ne00 length:sizeof(ne00) atIndex:2];
[encoder setBytes:&ne01 length:sizeof(ne01) atIndex:3];
[encoder setBytes:&ne02 length:sizeof(ne02) atIndex:4];
[encoder setThreadgroupMemoryLength:nth/32*sizeof(float) atIndex:0];
[encoder setThreadgroupMemoryLength:MAX(16, nth/32*sizeof(float)) atIndex:0];
[encoder dispatchThreadgroups:MTLSizeMake(ne01*ne02*ne03, 1, 1) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
} break;
@ -1348,7 +1348,7 @@ void ggml_metal_graph_compute(
[encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:2];
[encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:3];
[encoder setBytes:&eps length:sizeof( float) atIndex:4];
[encoder setThreadgroupMemoryLength:nth*sizeof(float) atIndex:0];
[encoder setThreadgroupMemoryLength:MAX(16, nth*sizeof(float)) atIndex:0];
const int64_t nrows = ggml_nrows(src0);