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metal : move mm_id indices to shared mem (#5982)

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Georgi Gerganov 2024-03-10 23:12:48 +02:00 committed by GitHub
parent 7ab7b733bb
commit bb6d00bbf9
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2 changed files with 6 additions and 6 deletions
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6
ggml-metal.m
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@ -1642,8 +1642,8 @@ static enum ggml_status ggml_metal_graph_compute(
// TODO: make this more general
GGML_ASSERT(n_as <= 8);
// max size of the src1ids array in the kernel stack
GGML_ASSERT(ne11 <= 512);
// max size of the src1ids array in the kernel shared buffer
GGML_ASSERT(ne11 <= 4096);
const int64_t ne20 = src2 ? src2->ne[0] : 0;
const int64_t ne21 = src2 ? src2->ne[1] : 0;
@ -1741,7 +1741,7 @@ static enum ggml_status ggml_metal_graph_compute(
[encoder setBuffer:id_src_cur offset:offs_src_cur atIndex:19 + j];
}
[encoder setThreadgroupMemoryLength:8192 atIndex:0];
[encoder setThreadgroupMemoryLength:GGML_PAD(8192 + 2*ne11, 16) atIndex:0];
[encoder dispatchThreadgroups:MTLSizeMake((ne11 + 31)/32, (ne21 + 63)/64, n_as*ne12*ne13) threadsPerThreadgroup:MTLSizeMake(128, 1, 1)];
} else {

6
ggml-metal.metal
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@ -5386,7 +5386,7 @@ template<typename block_q, short nl, void (*dequantize_func)(device const block_
void kernel_mul_mm_id_impl(
device const uchar * src0,
device const uchar * src1,
thread short * src1ids,
threadgroup short * src1ids,
device float * dst,
constant int64_t & ne00,
constant int64_t & ne02,
@ -5589,9 +5589,9 @@ kernel void kernel_mul_mm_id(
tgpig.z = tgpig.z%(ne12*ne13);
// row indices of src1 for expert id
int64_t _ne1 = 0;
short src1ids[512];
threadgroup short * src1ids = (threadgroup short *)(shared_memory + 8192);
int64_t _ne1 = 0;
for (int64_t i1 = 0; i1 < ne1; i1++) {
if (((device int32_t *) (ids + i1*nbi1))[idx] == id) {
src1ids[_ne1++] = i1;