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https://github.com/ggerganov/whisper.cpp.git
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metal : support FA without mask + add asserts (llama/7278)
* ggml : fa without mask + add asserts ggml-ci * metal : support non-contiguous KV ggml-ci
This commit is contained in:
Georgi Gerganov
parent
c451080c8b
commit
1056ad762c
69
ggml-metal.m
69
ggml-metal.m
@ -2512,13 +2512,14 @@ static enum ggml_status ggml_metal_graph_compute(
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} break;
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case GGML_OP_FLASH_ATTN_EXT:
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{
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GGML_ASSERT(ne00 % 4 == 0);
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GGML_ASSERT(ne00 % 4 == 0);
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GGML_ASSERT(ne11 % 32 == 0);
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GGML_ASSERT(src0->type == GGML_TYPE_F32);
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struct ggml_tensor * src3 = gf->nodes[i]->src[3];
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GGML_ASSERT(ggml_are_same_shape (src1, src2));
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GGML_ASSERT(ggml_are_same_shape(src1, src2));
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GGML_ASSERT(src3);
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struct ggml_tensor * src3 = gf->nodes[i]->src[3];
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size_t offs_src3 = 0;
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@ -2528,6 +2529,11 @@ static enum ggml_status ggml_metal_graph_compute(
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GGML_ASSERT(!src3 || src3->ne[1] >= GGML_PAD(src0->ne[1], 8) &&
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"the Flash-Attention Metal kernel requires the mask to be padded to 8 and at least n_queries big");
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const uint64_t nb20 = src2 ? src2->nb[0] : 0; GGML_UNUSED(nb20);
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const uint64_t nb21 = src2 ? src2->nb[1] : 0;
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const uint64_t nb22 = src2 ? src2->nb[2] : 0;
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const uint64_t nb23 = src2 ? src2->nb[3] : 0;
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const int64_t ne30 = src3 ? src3->ne[0] : 0; GGML_UNUSED(ne30);
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//const int64_t ne31 = src3 ? src3->ne[1] : 0;
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const int64_t ne32 = src3 ? src3->ne[2] : 0; GGML_UNUSED(ne32);
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@ -2590,34 +2596,35 @@ static enum ggml_status ggml_metal_graph_compute(
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[encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
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[encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
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[encoder setBuffer:id_src2 offset:offs_src2 atIndex:2];
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[encoder setBuffer:id_src3 offset:offs_src3 atIndex:3];
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if (id_src3) {
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[encoder setBuffer:id_src3 offset:offs_src3 atIndex:3];
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} else {
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[encoder setBuffer:id_src0 offset:offs_src0 atIndex:3];
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}
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[encoder setBuffer:id_dst offset:offs_dst atIndex:4];
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[encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:5];
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[encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:6];
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[encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:7];
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[encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:8];
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[encoder setBytes:&nb00 length:sizeof(uint64_t) atIndex:9];
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[encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:10];
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[encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:11];
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[encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:12];
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[encoder setBytes:&ne10 length:sizeof( int64_t) atIndex:13];
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[encoder setBytes:&ne11 length:sizeof( int64_t) atIndex:14];
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[encoder setBytes:&ne12 length:sizeof( int64_t) atIndex:15];
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[encoder setBytes:&ne13 length:sizeof( int64_t) atIndex:16];
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[encoder setBytes:&nb10 length:sizeof(uint64_t) atIndex:17];
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[encoder setBytes:&nb11 length:sizeof(uint64_t) atIndex:18];
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[encoder setBytes:&nb12 length:sizeof(uint64_t) atIndex:19];
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[encoder setBytes:&nb13 length:sizeof(uint64_t) atIndex:20];
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[encoder setBytes:&nb31 length:sizeof(uint64_t) atIndex:21];
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[encoder setBytes:&ne0 length:sizeof( int64_t) atIndex:22];
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[encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:23];
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[encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:24];
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[encoder setBytes:&ne3 length:sizeof( int64_t) atIndex:25];
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[encoder setBytes:&scale length:sizeof( float) atIndex:26];
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[encoder setBytes:&max_bias length:sizeof( float) atIndex:27];
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[encoder setBytes:&m0 length:sizeof(m0) atIndex:28];
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[encoder setBytes:&m1 length:sizeof(m1) atIndex:29];
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[encoder setBytes:&n_head_log2 length:sizeof(n_head_log2) atIndex:30];
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[encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:5];
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[encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:6];
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[encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:7];
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[encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:8];
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[encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:9];
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[encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:10];
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[encoder setBytes:&ne11 length:sizeof( int64_t) atIndex:11];
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[encoder setBytes:&ne12 length:sizeof( int64_t) atIndex:12];
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[encoder setBytes:&ne13 length:sizeof( int64_t) atIndex:13];
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[encoder setBytes:&nb11 length:sizeof(uint64_t) atIndex:14];
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[encoder setBytes:&nb12 length:sizeof(uint64_t) atIndex:15];
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[encoder setBytes:&nb13 length:sizeof(uint64_t) atIndex:16];
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[encoder setBytes:&nb21 length:sizeof(uint64_t) atIndex:17];
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[encoder setBytes:&nb22 length:sizeof(uint64_t) atIndex:18];
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[encoder setBytes:&nb23 length:sizeof(uint64_t) atIndex:19];
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[encoder setBytes:&nb31 length:sizeof(uint64_t) atIndex:20];
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[encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:21];
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[encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:22];
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[encoder setBytes:&scale length:sizeof( float) atIndex:23];
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[encoder setBytes:&max_bias length:sizeof( float) atIndex:24];
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[encoder setBytes:&m0 length:sizeof(m0) atIndex:25];
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[encoder setBytes:&m1 length:sizeof(m1) atIndex:26];
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[encoder setBytes:&n_head_log2 length:sizeof(n_head_log2) atIndex:27];
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if (!use_vec_kernel) {
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// half8x8 kernel
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@ -2049,27 +2049,24 @@ typedef void (flash_attn_ext_f16_t)(
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device const char * v,
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device const char * mask,
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device float * dst,
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constant int64_t & ne00,
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constant int64_t & ne01,
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constant int64_t & ne02,
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constant int64_t & ne03,
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constant uint64_t & nb00,
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constant uint64_t & nb01,
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constant uint64_t & nb02,
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constant uint64_t & nb03,
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constant int64_t & ne10,
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constant int64_t & ne11,
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constant int64_t & ne12,
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constant int64_t & ne13,
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constant uint64_t & nb10,
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constant uint64_t & nb11,
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constant uint64_t & nb12,
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constant uint64_t & nb13,
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constant uint64_t & nb21,
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constant uint64_t & nb22,
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constant uint64_t & nb23,
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constant uint64_t & nb31,
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constant int64_t & ne0,
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constant int64_t & ne1,
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constant int64_t & ne2,
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constant int64_t & ne3,
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constant float & scale,
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constant float & max_bias,
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constant float & m0,
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@ -2090,27 +2087,24 @@ kernel void kernel_flash_attn_ext_f16(
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device const char * v,
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device const char * mask,
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device float * dst,
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constant int64_t & ne00,
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constant int64_t & ne01,
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constant int64_t & ne02,
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constant int64_t & ne03,
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constant uint64_t & nb00,
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constant uint64_t & nb01,
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constant uint64_t & nb02,
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constant uint64_t & nb03,
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constant int64_t & ne10,
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constant int64_t & ne11,
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constant int64_t & ne12,
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constant int64_t & ne13,
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constant uint64_t & nb10,
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constant uint64_t & nb11,
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constant uint64_t & nb12,
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constant uint64_t & nb13,
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constant uint64_t & nb21,
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constant uint64_t & nb22,
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constant uint64_t & nb23,
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constant uint64_t & nb31,
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constant int64_t & ne0,
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constant int64_t & ne1,
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constant int64_t & ne2,
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constant int64_t & ne3,
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constant float & scale,
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constant float & max_bias,
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constant float & m0,
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@ -2180,10 +2174,6 @@ kernel void kernel_flash_attn_ext_f16(
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const short ne22 = ne12;
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const short ne23 = ne13;
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const uint nb21 = nb11;
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const uint nb22 = nb12;
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const uint nb23 = nb13;
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// broadcast
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const short rk2 = ne02/ne12;
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const short rk3 = ne03/ne13;
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@ -2247,11 +2237,16 @@ kernel void kernel_flash_attn_ext_f16(
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simdgroup_multiply_accumulate(mqk, mq[i], mk, mqk);
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}
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// mqk = mqk*scale + mask*slope
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simdgroup_half8x8 mm;
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simdgroup_load(mm, mp + ic + 8*cc, nb31/sizeof(half), 0, false);
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simdgroup_multiply(mm, mslope, mm);
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simdgroup_multiply_accumulate(mqk, mqk, mscale, mm);
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if (mask != q) {
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// mqk = mqk*scale + mask*slope
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simdgroup_half8x8 mm;
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simdgroup_load(mm, mp + ic + 8*cc, nb31/sizeof(half), 0, false);
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simdgroup_multiply(mm, mslope, mm);
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simdgroup_multiply_accumulate(mqk, mqk, mscale, mm);
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} else {
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// mqk = mqk*scale
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simdgroup_multiply(mqk, mscale, mqk);
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}
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simdgroup_store(mqk, ss + 8*cc, TF, 0, false);
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}
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@ -2425,27 +2420,24 @@ kernel void kernel_flash_attn_ext_vec_f16(
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device const char * v,
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device const char * mask,
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device float * dst,
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constant int64_t & ne00,
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constant int64_t & ne01,
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constant int64_t & ne02,
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constant int64_t & ne03,
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constant uint64_t & nb00,
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constant uint64_t & nb01,
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constant uint64_t & nb02,
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constant uint64_t & nb03,
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constant int64_t & ne10,
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constant int64_t & ne11,
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constant int64_t & ne12,
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constant int64_t & ne13,
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constant uint64_t & nb10,
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constant uint64_t & nb11,
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constant uint64_t & nb12,
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constant uint64_t & nb13,
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constant uint64_t & nb21,
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constant uint64_t & nb22,
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constant uint64_t & nb23,
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constant uint64_t & nb31,
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constant int64_t & ne0,
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constant int64_t & ne1,
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constant int64_t & ne2,
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constant int64_t & ne3,
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constant float & scale,
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constant float & max_bias,
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constant float & m0,
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@ -2521,10 +2513,6 @@ kernel void kernel_flash_attn_ext_vec_f16(
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const short ne22 = ne12;
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const short ne23 = ne13;
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const uint nb21 = nb11;
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const uint nb22 = nb12;
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const uint nb23 = nb13;
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// broadcast
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const short rk2 = ne02/ne12;
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const short rk3 = ne03/ne13;
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@ -2589,8 +2577,7 @@ kernel void kernel_flash_attn_ext_vec_f16(
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// mqk = mqk*scale + mask*slope
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if (tiisg == 0) {
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float4 mm = (float4) mp4[ic/4 + cc];
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mqk = mqk*scale + mm*slope;
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mqk = mqk*scale + ((mask != q) ? ((float4) mp4[ic/4 + cc])*slope : (float4) 0.0f);
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ss4[cc] = mqk;
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}
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10
ggml.c
10
ggml.c
@ -2824,6 +2824,16 @@ bool ggml_are_same_shape(const struct ggml_tensor * t0, const struct ggml_tensor
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(t0->ne[3] == t1->ne[3] );
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}
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bool ggml_are_same_stride(const struct ggml_tensor * t0, const struct ggml_tensor * t1) {
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static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function");
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return
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(t0->nb[0] == t1->nb[0] ) &&
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(t0->nb[1] == t1->nb[1] ) &&
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(t0->nb[2] == t1->nb[2] ) &&
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(t0->nb[3] == t1->nb[3] );
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}
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// check if t1 can be represented as a repeatition of t0
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static inline bool ggml_can_repeat(const struct ggml_tensor * t0, const struct ggml_tensor * t1) {
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static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function");
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3
ggml.h
3
ggml.h
@ -766,7 +766,8 @@ extern "C" {
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GGML_API bool ggml_is_3d (const struct ggml_tensor * tensor);
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GGML_API int ggml_n_dims (const struct ggml_tensor * tensor); // returns 1 for scalars
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GGML_API bool ggml_are_same_shape(const struct ggml_tensor * t0, const struct ggml_tensor * t1);
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GGML_API bool ggml_are_same_shape (const struct ggml_tensor * t0, const struct ggml_tensor * t1);
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GGML_API bool ggml_are_same_stride(const struct ggml_tensor * t0, const struct ggml_tensor * t1);
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// use this to compute the memory overhead of a tensor
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GGML_API size_t ggml_tensor_overhead(void);
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