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-rw-r--r--ggml-metal.h1
-rw-r--r--ggml-metal.m1055
2 files changed, 540 insertions, 516 deletions
diff --git a/ggml-metal.h b/ggml-metal.h
index a9441a9..033c4d8 100644
--- a/ggml-metal.h
+++ b/ggml-metal.h
@@ -55,6 +55,7 @@ void ggml_metal_set_tensor(struct ggml_metal_context * ctx, struct ggml_tensor *
void ggml_metal_get_tensor(struct ggml_metal_context * ctx, struct ggml_tensor * t);
// same as ggml_graph_compute but uses Metal
+// creates gf->n_threads command buffers in parallel
void ggml_metal_graph_compute(struct ggml_metal_context * ctx, struct ggml_cgraph * gf);
#ifdef __cplusplus
diff --git a/ggml-metal.m b/ggml-metal.m
index 658c392..0e9b56a 100644
--- a/ggml-metal.m
+++ b/ggml-metal.m
@@ -284,528 +284,551 @@ void ggml_metal_get_tensor(
void ggml_metal_graph_compute(
struct ggml_metal_context * ctx,
- struct ggml_cgraph * gf) {
+ struct ggml_cgraph * gf) {
metal_printf("%s: evaluating graph\n", __func__);
- size_t offs_src0 = 0;
- size_t offs_src1 = 0;
- size_t offs_dst = 0;
-
- id<MTLCommandBuffer> command_buffer = [ctx->queue commandBuffer];
- id<MTLComputeCommandEncoder> encoder = nil;
-
- for (int i = 0; i < gf->n_nodes; ++i) {
- //metal_printf("%s: encoding node %3d, op = %8s\n", __func__, i, ggml_op_name(gf->nodes[i]->op));
-
- struct ggml_tensor * src0 = gf->nodes[i]->src0;
- struct ggml_tensor * src1 = gf->nodes[i]->src1;
- struct ggml_tensor * dst = gf->nodes[i];
-
- const int64_t ne00 = src0 ? src0->ne[0] : 0;
- const int64_t ne01 = src0 ? src0->ne[1] : 0;
- const int64_t ne02 = src0 ? src0->ne[2] : 0;
- const int64_t ne03 = src0 ? src0->ne[3] : 0;
-
- const uint64_t nb00 = src0 ? src0->nb[0] : 0;
- const uint64_t nb01 = src0 ? src0->nb[1] : 0;
- const uint64_t nb02 = src0 ? src0->nb[2] : 0;
- const uint64_t nb03 = src0 ? src0->nb[3] : 0;
-
- const int64_t ne10 = src1 ? src1->ne[0] : 0;
- const int64_t ne11 = src1 ? src1->ne[1] : 0;
- const int64_t ne12 = src1 ? src1->ne[2] : 0;
- const int64_t ne13 = src1 ? src1->ne[3] : 0; UNUSED(ne13);
-
- const uint64_t nb10 = src1 ? src1->nb[0] : 0;
- const uint64_t nb11 = src1 ? src1->nb[1] : 0;
- const uint64_t nb12 = src1 ? src1->nb[2] : 0;
- const uint64_t nb13 = src1 ? src1->nb[3] : 0; UNUSED(nb13);
-
- const int64_t ne0 = dst ? dst->ne[0] : 0;
- const int64_t ne1 = dst ? dst->ne[1] : 0;
- const int64_t ne2 = dst ? dst->ne[2] : 0;
- const int64_t ne3 = dst ? dst->ne[3] : 0;
-
- const uint64_t nb0 = dst ? dst->nb[0] : 0;
- const uint64_t nb1 = dst ? dst->nb[1] : 0;
- const uint64_t nb2 = dst ? dst->nb[2] : 0;
- const uint64_t nb3 = dst ? dst->nb[3] : 0;
-
- const enum ggml_type src0t = src0 ? src0->type : GGML_TYPE_COUNT;
- const enum ggml_type src1t = src1 ? src1->type : GGML_TYPE_COUNT;
- const enum ggml_type dstt = dst ? dst->type : GGML_TYPE_COUNT;
-
- id<MTLBuffer> id_src0 = src0 ? ggml_metal_get_buffer(ctx, src0, &offs_src0) : nil;
- id<MTLBuffer> id_src1 = src1 ? ggml_metal_get_buffer(ctx, src1, &offs_src1) : nil;
- id<MTLBuffer> id_dst = dst ? ggml_metal_get_buffer(ctx, dst, &offs_dst) : nil;
-
- //metal_printf("%s: op - %s\n", __func__, ggml_op_name(dst->op));
- //if (src0) {
- // metal_printf("%s: src0 - %4s [%5lld, %5lld, %5lld], %d, %s\n", __func__, ggml_type_name(src0t), ne00, ne01, ne02,
- // ggml_is_contiguous(src0), src0->name);
- //}
- //if (src1) {
- // metal_printf("%s: src1 - %4s [%5lld, %5lld, %5lld], %d, %s\n", __func__, ggml_type_name(src1t), ne10, ne11, ne12,
- // ggml_is_contiguous(src1), src1->name);
- //}
- //if (dst) {
- // metal_printf("%s: dst - %4s [%5lld, %5lld, %5lld], 1, %s\n", __func__, ggml_type_name(dstt), ne0, ne1, ne2,
- // dst->name);
- //}
-
- switch (dst->op) {
- case GGML_OP_RESHAPE:
- case GGML_OP_VIEW:
- case GGML_OP_TRANSPOSE:
- case GGML_OP_PERMUTE:
- {
- // noop
- } break;
- case GGML_OP_ADD:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- [encoder setComputePipelineState:ctx->pipeline_add];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_MUL:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- if (ggml_nelements(src1) == ne10) {
- // src1 is a row
- [encoder setComputePipelineState:ctx->pipeline_mul_row];
- } else {
- [encoder setComputePipelineState:ctx->pipeline_mul];
- }
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
- [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:3];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_SCALE:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const float scale = *(const float *) src1->data;
-
- [encoder setComputePipelineState:ctx->pipeline_scale];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [encoder setBytes:&scale length:sizeof(scale) atIndex:2];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_SILU:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- [encoder setComputePipelineState:ctx->pipeline_silu];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_RELU:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- [encoder setComputePipelineState:ctx->pipeline_relu];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_GELU:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- [encoder setComputePipelineState:ctx->pipeline_gelu];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
-
- const int64_t n = ggml_nelements(dst);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_SOFT_MAX:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const int nth = 32;
-
- [encoder setComputePipelineState:ctx->pipeline_soft_max];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [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*sizeof(float) atIndex:0];
-
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
- } break;
- case GGML_OP_DIAG_MASK_INF:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const int n_past = ((int32_t *)(src1->data))[0];
-
- [encoder setComputePipelineState:ctx->pipeline_diag_mask_inf];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:2];
- [encoder setBytes:&ne01 length:sizeof(ne01) atIndex:3];
- [encoder setBytes:&n_past length:sizeof(int) atIndex:4];
-
- [encoder dispatchThreadgroups:MTLSizeMake(ne00, ne01, ne02) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_MUL_MAT:
- {
- // TODO: needs to be updated after PR: https://github.com/ggerganov/ggml/pull/224
-
- GGML_ASSERT(ne00 == ne10);
- GGML_ASSERT(ne02 == ne12);
-
- if (ggml_is_contiguous(src0) &&
- ggml_is_contiguous(src1) &&
- (src0t == GGML_TYPE_F32 || src0t == GGML_TYPE_F16) && ne11 > 1) {
-
- if (encoder != nil) {
- [encoder endEncoding];
- encoder = nil;
- }
-
- MPSDataType src0dt = src0t == GGML_TYPE_F32 ? MPSDataTypeFloat32 : MPSDataTypeFloat16;
- MPSDataType src1dt = src1t == GGML_TYPE_F32 ? MPSDataTypeFloat32 : MPSDataTypeFloat16;
-
- // for F32 x F32 we use MPS
- MPSMatrixDescriptor * desc0 = [MPSMatrixDescriptor
- matrixDescriptorWithRows:ne01 columns:ne00 rowBytes:src0->nb[1] dataType:src0dt];
-
- MPSMatrixDescriptor * desc1 = [MPSMatrixDescriptor
- matrixDescriptorWithRows:ne11 columns:ne10 rowBytes:src1->nb[1] dataType:src1dt];
-
- MPSMatrixDescriptor * desc = [MPSMatrixDescriptor
- matrixDescriptorWithRows:ne1 columns:ne0 rowBytes:dst->nb[1] dataType:MPSDataTypeFloat32];
-
- MPSMatrixMultiplication * mul = [[MPSMatrixMultiplication alloc]
- initWithDevice:ctx->device transposeLeft:false transposeRight:true
- resultRows:ne11 resultColumns:ne01 interiorColumns:ne00 alpha:1.0 beta:0.0];
-
- // we need to do ne02 multiplications
- // TODO: is there a way to do this in parallel - currently very slow ..
- // TODO: might be possible to offload part of the computation to ANE using Accelerate's CBLAS
- for (int64_t i02 = 0; i02 < ne02; ++i02) {
- size_t offs_src0_cur = offs_src0 + i02*nb02;
- size_t offs_src1_cur = offs_src1 + i02*nb12;
- size_t offs_dst_cur = offs_dst + i02*nb2;
-
- MPSMatrix * mat_src0 = [[MPSMatrix alloc] initWithBuffer:id_src0 offset:offs_src0_cur descriptor:desc0];
- MPSMatrix * mat_src1 = [[MPSMatrix alloc] initWithBuffer:id_src1 offset:offs_src1_cur descriptor:desc1];
- MPSMatrix * mat_dst = [[MPSMatrix alloc] initWithBuffer:id_dst offset:offs_dst_cur descriptor:desc ];
-
- [mul encodeToCommandBuffer:command_buffer leftMatrix:mat_src1 rightMatrix:mat_src0 resultMatrix:mat_dst];
- }
- } else {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- int nth0 = 32;
- int nth1 = 1;
-
- // use custom matrix x vector kernel
- switch (src0t) {
- case GGML_TYPE_F16:
- {
- GGML_ASSERT(ne02 == ne12);
-
- nth0 = 64;
- nth1 = 1;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_f16_f32];
- } break;
- case GGML_TYPE_Q4_0:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 8;
- nth1 = 8;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_0_f32];
- } break;
- case GGML_TYPE_Q4_1:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 8;
- nth1 = 8;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_1_f32];
- } break;
- case GGML_TYPE_Q2_K:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 4;
- nth1 = 16;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q2_k_f32];
- } break;
- case GGML_TYPE_Q3_K:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 4;
- nth1 = 16;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q3_k_f32];
- } break;
- case GGML_TYPE_Q4_K:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 4;
- nth1 = 16;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_k_f32];
- } break;
- case GGML_TYPE_Q5_K:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 4;
- nth1 = 16;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q5_k_f32];
- } break;
- case GGML_TYPE_Q6_K:
- {
- GGML_ASSERT(ne02 == 1);
- GGML_ASSERT(ne12 == 1);
-
- nth0 = 4;
- nth1 = 16;
- [encoder setComputePipelineState:ctx->pipeline_mul_mat_q6_k_f32];
- } break;
- default:
- {
- fprintf(stderr, "Asserting on type %d\n",(int)src0t);
- GGML_ASSERT(false && "not implemented");
- }
- };
-
-
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
- [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:3];
- [encoder setBytes:&ne01 length:sizeof(ne01) atIndex:4];
- [encoder setBytes:&nb00 length:sizeof(nb00) atIndex:5];
- [encoder setBytes:&nb01 length:sizeof(nb01) atIndex:6];
- [encoder setBytes:&nb02 length:sizeof(nb02) atIndex:7];
- [encoder setBytes:&ne10 length:sizeof(ne10) atIndex:8];
- [encoder setBytes:&ne11 length:sizeof(ne11) atIndex:9];
- [encoder setBytes:&nb10 length:sizeof(nb10) atIndex:10];
- [encoder setBytes:&nb11 length:sizeof(nb11) atIndex:11];
- [encoder setBytes:&nb12 length:sizeof(nb12) atIndex:12];
- [encoder setBytes:&ne0 length:sizeof(ne0) atIndex:13];
- [encoder setBytes:&ne1 length:sizeof(ne1) atIndex:14];
-
- if (src0t == GGML_TYPE_Q4_0 || src0t == GGML_TYPE_Q4_1) {
- [encoder setThreadgroupMemoryLength:nth0*nth1*sizeof(float) atIndex:0];
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne11, 1) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
- }
- else if (src0t == GGML_TYPE_Q2_K ||
- src0t == GGML_TYPE_Q3_K ||
- src0t == GGML_TYPE_Q4_K ||
- src0t == GGML_TYPE_Q5_K ||
- src0t == GGML_TYPE_Q6_K) {
- [encoder setThreadgroupMemoryLength:nth0*nth1*sizeof(float) atIndex:0];
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, 1, 1) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
- } else {
- [encoder setThreadgroupMemoryLength:nth0*sizeof(float) atIndex:0];
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne11, ne12) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
- }
- }
- } break;
- case GGML_OP_GET_ROWS:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- switch (src0->type) {
- case GGML_TYPE_F16: [encoder setComputePipelineState:ctx->pipeline_get_rows_f16]; break;
- case GGML_TYPE_Q4_0: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_0]; break;
- case GGML_TYPE_Q4_1: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_1]; break;
- case GGML_TYPE_Q2_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q2_k]; break;
- case GGML_TYPE_Q3_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q3_k]; break;
- case GGML_TYPE_Q4_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_k]; break;
- case GGML_TYPE_Q5_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q5_k]; break;
- case GGML_TYPE_Q6_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q6_k]; break;
- default: GGML_ASSERT(false && "not implemented");
- }
-
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
- [encoder setBytes:&(src0->ne[0]) length:sizeof( int64_t) atIndex:3];
- [encoder setBytes:&(src0->nb[1]) length:sizeof(uint64_t) atIndex:4];
- [encoder setBytes:&(dst->nb[1]) length:sizeof(uint64_t) atIndex:5];
-
- const int64_t n = ggml_nelements(src1);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_RMS_NORM:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const float eps = 1e-6f;
-
- const int nth = 256;
-
- [encoder setComputePipelineState:ctx->pipeline_rms_norm];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [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];
-
- const int64_t nrows = ggml_nrows(src0);
-
- [encoder dispatchThreadgroups:MTLSizeMake(nrows, 1, 1) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
- } break;
- case GGML_OP_ROPE:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const int n_dims = ((int32_t *) src1->data)[1];
- const int mode = ((int32_t *) src1->data)[2];
-
- const int n_past = ((int32_t *)(src1->data))[0];
-
- [encoder setComputePipelineState:ctx->pipeline_rope];
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:2];
- [encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:3];
- [encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:4];
- [encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:5];
- [encoder setBytes:&nb00 length:sizeof(uint64_t) atIndex:6];
- [encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:7];
- [encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:8];
- [encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:9];
- [encoder setBytes:&ne0 length:sizeof( int64_t) atIndex:10];
- [encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:11];
- [encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:12];
- [encoder setBytes:&ne3 length:sizeof( int64_t) atIndex:13];
- [encoder setBytes:&nb0 length:sizeof(uint64_t) atIndex:14];
- [encoder setBytes:&nb1 length:sizeof(uint64_t) atIndex:15];
- [encoder setBytes:&nb2 length:sizeof(uint64_t) atIndex:16];
- [encoder setBytes:&nb3 length:sizeof(uint64_t) atIndex:17];
- [encoder setBytes:&n_past length:sizeof( int) atIndex:18];
- [encoder setBytes:&n_dims length:sizeof( int) atIndex:19];
- [encoder setBytes:&mode length:sizeof( int) atIndex:20];
-
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
- } break;
- case GGML_OP_CPY:
- {
- if (encoder == nil) {
- encoder = [command_buffer computeCommandEncoder];
- }
-
- const int nth = 32;
-
- switch (src0t) {
- case GGML_TYPE_F32:
- {
- switch (dstt) {
- case GGML_TYPE_F16: [encoder setComputePipelineState:ctx->pipeline_cpy_f32_f16]; break;
- case GGML_TYPE_F32: [encoder setComputePipelineState:ctx->pipeline_cpy_f32_f32]; break;
- default: GGML_ASSERT(false && "not implemented");
- };
- } break;
- default: GGML_ASSERT(false && "not implemented");
- }
-
- [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
- [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
- [encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:2];
- [encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:3];
- [encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:4];
- [encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:5];
- [encoder setBytes:&nb00 length:sizeof(uint64_t) atIndex:6];
- [encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:7];
- [encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:8];
- [encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:9];
- [encoder setBytes:&ne0 length:sizeof( int64_t) atIndex:10];
- [encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:11];
- [encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:12];
- [encoder setBytes:&ne3 length:sizeof( int64_t) atIndex:13];
- [encoder setBytes:&nb0 length:sizeof(uint64_t) atIndex:14];
- [encoder setBytes:&nb1 length:sizeof(uint64_t) atIndex:15];
- [encoder setBytes:&nb2 length:sizeof(uint64_t) atIndex:16];
- [encoder setBytes:&nb3 length:sizeof(uint64_t) atIndex:17];
-
- [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
- } break;
- default:
- fprintf(stderr, "%s: node %3d, op = %8s not implemented\n", __func__, i, ggml_op_name(dst->op));
- GGML_ASSERT(false);
- }
- }
+ // create multiple command buffers and enqueue them
+ // then, we encode the graph into the command buffers in parallel
+
+ const int n_cb = gf->n_threads;
+
+ NSMutableArray * command_buffers = [NSMutableArray arrayWithCapacity:n_cb];
+
+ for (int i = 0; i < n_cb; ++i) {
+ command_buffers[i] = [ctx->queue commandBuffer];
- if (encoder != nil) {
- [encoder endEncoding];
- encoder = nil;
+ // enqueue the command buffers in order to specify their execution order
+ [command_buffers[i] enqueue];
}
- [command_buffer commit];
- [command_buffer waitUntilCompleted];
+ // TODO: is this the best way to start threads?
+ dispatch_queue_t queue = dispatch_queue_create("llama.cpp", DISPATCH_QUEUE_CONCURRENT);
+
+ for (int cb_idx = 0; cb_idx < n_cb; ++cb_idx) {
+ const int n_nodes_per_cb = (gf->n_nodes + n_cb - 1) / n_cb;
+
+ dispatch_async(queue, ^{
+ size_t offs_src0 = 0;
+ size_t offs_src1 = 0;
+ size_t offs_dst = 0;
+
+ id<MTLCommandBuffer> command_buffer = command_buffers[cb_idx];
+
+ id<MTLComputeCommandEncoder> encoder = nil;
+
+ const int node_start = (cb_idx + 0) * n_nodes_per_cb;
+ const int node_end = (cb_idx == n_cb - 1) ? gf->n_nodes : (cb_idx + 1) * n_nodes_per_cb;
+
+ for (int i = node_start; i < node_end; ++i) {
+ metal_printf("%s: encoding node %3d, op = %8s\n", __func__, i, ggml_op_name(gf->nodes[i]->op));
+
+ struct ggml_tensor * src0 = gf->nodes[i]->src0;
+ struct ggml_tensor * src1 = gf->nodes[i]->src1;
+ struct ggml_tensor * dst = gf->nodes[i];
+
+ const int64_t ne00 = src0 ? src0->ne[0] : 0;
+ const int64_t ne01 = src0 ? src0->ne[1] : 0;
+ const int64_t ne02 = src0 ? src0->ne[2] : 0;
+ const int64_t ne03 = src0 ? src0->ne[3] : 0;
+
+ const uint64_t nb00 = src0 ? src0->nb[0] : 0;
+ const uint64_t nb01 = src0 ? src0->nb[1] : 0;
+ const uint64_t nb02 = src0 ? src0->nb[2] : 0;
+ const uint64_t nb03 = src0 ? src0->nb[3] : 0;
+
+ const int64_t ne10 = src1 ? src1->ne[0] : 0;
+ const int64_t ne11 = src1 ? src1->ne[1] : 0;
+ const int64_t ne12 = src1 ? src1->ne[2] : 0;
+ const int64_t ne13 = src1 ? src1->ne[3] : 0; UNUSED(ne13);
+
+ const uint64_t nb10 = src1 ? src1->nb[0] : 0;
+ const uint64_t nb11 = src1 ? src1->nb[1] : 0;
+ const uint64_t nb12 = src1 ? src1->nb[2] : 0;
+ const uint64_t nb13 = src1 ? src1->nb[3] : 0; UNUSED(nb13);
+
+ const int64_t ne0 = dst ? dst->ne[0] : 0;
+ const int64_t ne1 = dst ? dst->ne[1] : 0;
+ const int64_t ne2 = dst ? dst->ne[2] : 0;
+ const int64_t ne3 = dst ? dst->ne[3] : 0;
+
+ const uint64_t nb0 = dst ? dst->nb[0] : 0;
+ const uint64_t nb1 = dst ? dst->nb[1] : 0;
+ const uint64_t nb2 = dst ? dst->nb[2] : 0;
+ const uint64_t nb3 = dst ? dst->nb[3] : 0;
+
+ const enum ggml_type src0t = src0 ? src0->type : GGML_TYPE_COUNT;
+ const enum ggml_type src1t = src1 ? src1->type : GGML_TYPE_COUNT;
+ const enum ggml_type dstt = dst ? dst->type : GGML_TYPE_COUNT;
+
+ id<MTLBuffer> id_src0 = src0 ? ggml_metal_get_buffer(ctx, src0, &offs_src0) : nil;
+ id<MTLBuffer> id_src1 = src1 ? ggml_metal_get_buffer(ctx, src1, &offs_src1) : nil;
+ id<MTLBuffer> id_dst = dst ? ggml_metal_get_buffer(ctx, dst, &offs_dst) : nil;
+
+ //metal_printf("%s: op - %s\n", __func__, ggml_op_name(dst->op));
+ //if (src0) {
+ // metal_printf("%s: src0 - %4s [%5lld, %5lld, %5lld], %d, %s\n", __func__, ggml_type_name(src0t), ne00, ne01, ne02,
+ // ggml_is_contiguous(src0), src0->name);
+ //}
+ //if (src1) {
+ // metal_printf("%s: src1 - %4s [%5lld, %5lld, %5lld], %d, %s\n", __func__, ggml_type_name(src1t), ne10, ne11, ne12,
+ // ggml_is_contiguous(src1), src1->name);
+ //}
+ //if (dst) {
+ // metal_printf("%s: dst - %4s [%5lld, %5lld, %5lld], 1, %s\n", __func__, ggml_type_name(dstt), ne0, ne1, ne2,
+ // dst->name);
+ //}
+
+ switch (dst->op) {
+ case GGML_OP_RESHAPE:
+ case GGML_OP_VIEW:
+ case GGML_OP_TRANSPOSE:
+ case GGML_OP_PERMUTE:
+ {
+ // noop
+ } break;
+ case GGML_OP_ADD:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ [encoder setComputePipelineState:ctx->pipeline_add];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_MUL:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ if (ggml_nelements(src1) == ne10) {
+ // src1 is a row
+ [encoder setComputePipelineState:ctx->pipeline_mul_row];
+ } else {
+ [encoder setComputePipelineState:ctx->pipeline_mul];
+ }
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
+ [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:3];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_SCALE:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const float scale = *(const float *) src1->data;
+
+ [encoder setComputePipelineState:ctx->pipeline_scale];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [encoder setBytes:&scale length:sizeof(scale) atIndex:2];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_SILU:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ [encoder setComputePipelineState:ctx->pipeline_silu];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_RELU:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ [encoder setComputePipelineState:ctx->pipeline_relu];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_GELU:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ [encoder setComputePipelineState:ctx->pipeline_gelu];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+
+ const int64_t n = ggml_nelements(dst);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_SOFT_MAX:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const int nth = 32;
+
+ [encoder setComputePipelineState:ctx->pipeline_soft_max];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [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*sizeof(float) atIndex:0];
+
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
+ } break;
+ case GGML_OP_DIAG_MASK_INF:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const int n_past = ((int32_t *)(src1->data))[0];
+
+ [encoder setComputePipelineState:ctx->pipeline_diag_mask_inf];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:2];
+ [encoder setBytes:&ne01 length:sizeof(ne01) atIndex:3];
+ [encoder setBytes:&n_past length:sizeof(int) atIndex:4];
+
+ [encoder dispatchThreadgroups:MTLSizeMake(ne00, ne01, ne02) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_MUL_MAT:
+ {
+ // TODO: needs to be updated after PR: https://github.com/ggerganov/ggml/pull/224
+
+ GGML_ASSERT(ne00 == ne10);
+ GGML_ASSERT(ne02 == ne12);
+
+ if (ggml_is_contiguous(src0) &&
+ ggml_is_contiguous(src1) &&
+ (src0t == GGML_TYPE_F32 || src0t == GGML_TYPE_F16) && ne11 > 1) {
+
+ if (encoder != nil) {
+ [encoder endEncoding];
+ encoder = nil;
+ }
- {
- const double time_elapsed = [command_buffer GPUEndTime] - [command_buffer GPUStartTime];
- UNUSED(time_elapsed);
+ MPSDataType src0dt = src0t == GGML_TYPE_F32 ? MPSDataTypeFloat32 : MPSDataTypeFloat16;
+ MPSDataType src1dt = src1t == GGML_TYPE_F32 ? MPSDataTypeFloat32 : MPSDataTypeFloat16;
+
+ // for F32 x F32 we use MPS
+ MPSMatrixDescriptor * desc0 = [MPSMatrixDescriptor
+ matrixDescriptorWithRows:ne01 columns:ne00 rowBytes:src0->nb[1] dataType:src0dt];
+
+ MPSMatrixDescriptor * desc1 = [MPSMatrixDescriptor
+ matrixDescriptorWithRows:ne11 columns:ne10 rowBytes:src1->nb[1] dataType:src1dt];
+
+ MPSMatrixDescriptor * desc = [MPSMatrixDescriptor
+ matrixDescriptorWithRows:ne1 columns:ne0 rowBytes:dst->nb[1] dataType:MPSDataTypeFloat32];
+
+ MPSMatrixMultiplication * mul = [[MPSMatrixMultiplication alloc]
+ initWithDevice:ctx->device transposeLeft:false transposeRight:true
+ resultRows:ne11 resultColumns:ne01 interiorColumns:ne00 alpha:1.0 beta:0.0];
+
+ // we need to do ne02 multiplications
+ // TODO: is there a way to do this in parallel - currently very slow ..
+ // TODO: might be possible to offload part of the computation to ANE using Accelerate's CBLAS
+ for (int64_t i02 = 0; i02 < ne02; ++i02) {
+ size_t offs_src0_cur = offs_src0 + i02*nb02;
+ size_t offs_src1_cur = offs_src1 + i02*nb12;
+ size_t offs_dst_cur = offs_dst + i02*nb2;
- metal_printf("%s: time elapsed = %f ms\n", __func__, time_elapsed * 1000.0);
+ MPSMatrix * mat_src0 = [[MPSMatrix alloc] initWithBuffer:id_src0 offset:offs_src0_cur descriptor:desc0];
+ MPSMatrix * mat_src1 = [[MPSMatrix alloc] initWithBuffer:id_src1 offset:offs_src1_cur descriptor:desc1];
+ MPSMatrix * mat_dst = [[MPSMatrix alloc] initWithBuffer:id_dst offset:offs_dst_cur descriptor:desc ];
+
+ [mul encodeToCommandBuffer:command_buffer leftMatrix:mat_src1 rightMatrix:mat_src0 resultMatrix:mat_dst];
+ }
+ } else {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ int nth0 = 32;
+ int nth1 = 1;
+
+ // use custom matrix x vector kernel
+ switch (src0t) {
+ case GGML_TYPE_F16:
+ {
+ GGML_ASSERT(ne02 == ne12);
+
+ nth0 = 64;
+ nth1 = 1;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_f16_f32];
+ } break;
+ case GGML_TYPE_Q4_0:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 8;
+ nth1 = 8;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_0_f32];
+ } break;
+ case GGML_TYPE_Q4_1:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 8;
+ nth1 = 8;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_1_f32];
+ } break;
+ case GGML_TYPE_Q2_K:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 4;
+ nth1 = 16;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q2_k_f32];
+ } break;
+ case GGML_TYPE_Q3_K:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 4;
+ nth1 = 16;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q3_k_f32];
+ } break;
+ case GGML_TYPE_Q4_K:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 4;
+ nth1 = 16;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q4_k_f32];
+ } break;
+ case GGML_TYPE_Q5_K:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 4;
+ nth1 = 16;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q5_k_f32];
+ } break;
+ case GGML_TYPE_Q6_K:
+ {
+ GGML_ASSERT(ne02 == 1);
+ GGML_ASSERT(ne12 == 1);
+
+ nth0 = 4;
+ nth1 = 16;
+ [encoder setComputePipelineState:ctx->pipeline_mul_mat_q6_k_f32];
+ } break;
+ default:
+ {
+ fprintf(stderr, "Asserting on type %d\n",(int)src0t);
+ GGML_ASSERT(false && "not implemented");
+ }
+ };
+
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
+ [encoder setBytes:&ne00 length:sizeof(ne00) atIndex:3];
+ [encoder setBytes:&ne01 length:sizeof(ne01) atIndex:4];
+ [encoder setBytes:&nb00 length:sizeof(nb00) atIndex:5];
+ [encoder setBytes:&nb01 length:sizeof(nb01) atIndex:6];
+ [encoder setBytes:&nb02 length:sizeof(nb02) atIndex:7];
+ [encoder setBytes:&ne10 length:sizeof(ne10) atIndex:8];
+ [encoder setBytes:&ne11 length:sizeof(ne11) atIndex:9];
+ [encoder setBytes:&nb10 length:sizeof(nb10) atIndex:10];
+ [encoder setBytes:&nb11 length:sizeof(nb11) atIndex:11];
+ [encoder setBytes:&nb12 length:sizeof(nb12) atIndex:12];
+ [encoder setBytes:&ne0 length:sizeof(ne0) atIndex:13];
+ [encoder setBytes:&ne1 length:sizeof(ne1) atIndex:14];
+
+ if (src0t == GGML_TYPE_Q4_0 || src0t == GGML_TYPE_Q4_1) {
+ [encoder setThreadgroupMemoryLength:nth0*nth1*sizeof(float) atIndex:0];
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne11, 1) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
+ }
+ else if (src0t == GGML_TYPE_Q2_K ||
+ src0t == GGML_TYPE_Q3_K ||
+ src0t == GGML_TYPE_Q4_K ||
+ src0t == GGML_TYPE_Q5_K ||
+ src0t == GGML_TYPE_Q6_K) {
+ [encoder setThreadgroupMemoryLength:nth0*nth1*sizeof(float) atIndex:0];
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, 1, 1) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
+ } else {
+ [encoder setThreadgroupMemoryLength:nth0*sizeof(float) atIndex:0];
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne11, ne12) threadsPerThreadgroup:MTLSizeMake(nth0, nth1, 1)];
+ }
+ }
+ } break;
+ case GGML_OP_GET_ROWS:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ switch (src0->type) {
+ case GGML_TYPE_F16: [encoder setComputePipelineState:ctx->pipeline_get_rows_f16]; break;
+ case GGML_TYPE_Q4_0: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_0]; break;
+ case GGML_TYPE_Q4_1: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_1]; break;
+ case GGML_TYPE_Q2_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q2_k]; break;
+ case GGML_TYPE_Q3_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q3_k]; break;
+ case GGML_TYPE_Q4_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q4_k]; break;
+ case GGML_TYPE_Q5_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q5_k]; break;
+ case GGML_TYPE_Q6_K: [encoder setComputePipelineState:ctx->pipeline_get_rows_q6_k]; break;
+ default: GGML_ASSERT(false && "not implemented");
+ }
+
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_src1 offset:offs_src1 atIndex:1];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:2];
+ [encoder setBytes:&(src0->ne[0]) length:sizeof( int64_t) atIndex:3];
+ [encoder setBytes:&(src0->nb[1]) length:sizeof(uint64_t) atIndex:4];
+ [encoder setBytes:&(dst->nb[1]) length:sizeof(uint64_t) atIndex:5];
+
+ const int64_t n = ggml_nelements(src1);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_RMS_NORM:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const float eps = 1e-6f;
+
+ const int nth = 256;
+
+ [encoder setComputePipelineState:ctx->pipeline_rms_norm];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [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];
+
+ const int64_t nrows = ggml_nrows(src0);
+
+ [encoder dispatchThreadgroups:MTLSizeMake(nrows, 1, 1) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
+ } break;
+ case GGML_OP_ROPE:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const int n_dims = ((int32_t *) src1->data)[1];
+ const int mode = ((int32_t *) src1->data)[2];
+
+ const int n_past = ((int32_t *)(src1->data))[0];
+
+ [encoder setComputePipelineState:ctx->pipeline_rope];
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:2];
+ [encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:3];
+ [encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:4];
+ [encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:5];
+ [encoder setBytes:&nb00 length:sizeof(uint64_t) atIndex:6];
+ [encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:7];
+ [encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:8];
+ [encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:9];
+ [encoder setBytes:&ne0 length:sizeof( int64_t) atIndex:10];
+ [encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:11];
+ [encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:12];
+ [encoder setBytes:&ne3 length:sizeof( int64_t) atIndex:13];
+ [encoder setBytes:&nb0 length:sizeof(uint64_t) atIndex:14];
+ [encoder setBytes:&nb1 length:sizeof(uint64_t) atIndex:15];
+ [encoder setBytes:&nb2 length:sizeof(uint64_t) atIndex:16];
+ [encoder setBytes:&nb3 length:sizeof(uint64_t) atIndex:17];
+ [encoder setBytes:&n_past length:sizeof( int) atIndex:18];
+ [encoder setBytes:&n_dims length:sizeof( int) atIndex:19];
+ [encoder setBytes:&mode length:sizeof( int) atIndex:20];
+
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ } break;
+ case GGML_OP_CPY:
+ {
+ if (encoder == nil) {
+ encoder = [command_buffer computeCommandEncoder];
+ }
+
+ const int nth = 32;
+
+ switch (src0t) {
+ case GGML_TYPE_F32:
+ {
+ switch (dstt) {
+ case GGML_TYPE_F16: [encoder setComputePipelineState:ctx->pipeline_cpy_f32_f16]; break;
+ case GGML_TYPE_F32: [encoder setComputePipelineState:ctx->pipeline_cpy_f32_f32]; break;
+ default: GGML_ASSERT(false && "not implemented");
+ };
+ } break;
+ default: GGML_ASSERT(false && "not implemented");
+ }
+
+ [encoder setBuffer:id_src0 offset:offs_src0 atIndex:0];
+ [encoder setBuffer:id_dst offset:offs_dst atIndex:1];
+ [encoder setBytes:&ne00 length:sizeof( int64_t) atIndex:2];
+ [encoder setBytes:&ne01 length:sizeof( int64_t) atIndex:3];
+ [encoder setBytes:&ne02 length:sizeof( int64_t) atIndex:4];
+ [encoder setBytes:&ne03 length:sizeof( int64_t) atIndex:5];
+ [encoder setBytes:&nb00 length:sizeof(uint64_t) atIndex:6];
+ [encoder setBytes:&nb01 length:sizeof(uint64_t) atIndex:7];
+ [encoder setBytes:&nb02 length:sizeof(uint64_t) atIndex:8];
+ [encoder setBytes:&nb03 length:sizeof(uint64_t) atIndex:9];
+ [encoder setBytes:&ne0 length:sizeof( int64_t) atIndex:10];
+ [encoder setBytes:&ne1 length:sizeof( int64_t) atIndex:11];
+ [encoder setBytes:&ne2 length:sizeof( int64_t) atIndex:12];
+ [encoder setBytes:&ne3 length:sizeof( int64_t) atIndex:13];
+ [encoder setBytes:&nb0 length:sizeof(uint64_t) atIndex:14];
+ [encoder setBytes:&nb1 length:sizeof(uint64_t) atIndex:15];
+ [encoder setBytes:&nb2 length:sizeof(uint64_t) atIndex:16];
+ [encoder setBytes:&nb3 length:sizeof(uint64_t) atIndex:17];
+
+ [encoder dispatchThreadgroups:MTLSizeMake(ne01, ne02, ne03) threadsPerThreadgroup:MTLSizeMake(nth, 1, 1)];
+ } break;
+ default:
+ fprintf(stderr, "%s: node %3d, op = %8s not implemented\n", __func__, i, ggml_op_name(dst->op));
+ GGML_ASSERT(false);
+ }
+ }
+
+ if (encoder != nil) {
+ [encoder endEncoding];
+ encoder = nil;
+ }
+
+ [command_buffer commit];
+ });
}
+
+ // wait for all threads to finish
+ dispatch_barrier_sync(queue, ^{});
+
+ [command_buffers[n_cb - 1] waitUntilCompleted];
}