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vulkan: Optimize contiguous copies (llama/10254)

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* tests: Fix memory bandwidth calculation for perf tests

Add a flops calculation for flash attention.

Add one GGML_OP_CPY perf test.

* vulkan: Optimize contiguous copies

Add a variant of the copy shader for when the tensors are contiguous. Avoid
the complex addressing calculations, and do four elements per invocation
to hide some other overhead.

Apply similar changes to the scale shader, since scale is always contiguous.

Add a "progress bar" for shader compiles.
This commit is contained in:
Jeff Bolz 2024-11-13 00:58:57 -06:00 committed by Georgi Gerganov
parent b54ce5edc5
commit 21b01a21b6
12 changed files with 132 additions and 26 deletions
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76
ggml/src/ggml-vulkan.cpp
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@ -196,6 +196,7 @@ struct vk_device_struct {
vk_pipeline pipeline_pad_f32;
vk_pipeline pipeline_repeat_f32;
vk_pipeline pipeline_cpy_f32_f32, pipeline_cpy_f32_f16, pipeline_cpy_f16_f16;
vk_pipeline pipeline_contig_cpy_f32_f32, pipeline_contig_cpy_f32_f16, pipeline_contig_cpy_f16_f16;
vk_pipeline pipeline_norm_f32;
vk_pipeline pipeline_group_norm_f32;
vk_pipeline pipeline_rms_norm_f32;
@ -722,6 +723,12 @@ static void ggml_vk_create_pipeline_func(vk_device& device, vk_pipeline& pipelin
std::lock_guard<std::mutex> guard(compile_count_mutex);
assert(compile_count > 0);
compile_count--;
// "Progress bar" for shader compiles
static uint32_t total_compile_count = 0;
if ((total_compile_count++ % 10) == 0) {
std::cerr << ".";
}
}
compile_count_cond.notify_all();
}
@ -1200,6 +1207,8 @@ static void ggml_vk_wait_events(vk_context& ctx, std::vector<vk::Event>&& events
static void ggml_vk_load_shaders(vk_device& device) {
VK_LOG_DEBUG("ggml_vk_load_shaders(" << device->name << ")");
std::cerr << "ggml_vulkan: Compiling shaders";
// mulmat
std::initializer_list<uint32_t> warptile_l = { 128, 128, 128, 16, device->subgroup_size * 2, 64, 2, 4, 4, device->subgroup_size };
std::initializer_list<uint32_t> warptile_m = { 128, 64, 64, 16, device->subgroup_size, 32, 2, 4, 2, device->subgroup_size };
@ -1759,6 +1768,10 @@ static void ggml_vk_load_shaders(vk_device& device) {
ggml_vk_create_pipeline(device, device->pipeline_cpy_f32_f16, "cpy_f32_f16", cpy_f32_f16_len, cpy_f32_f16_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_cpy_f16_f16, "cpy_f16_f16", cpy_f16_f16_len, cpy_f16_f16_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_contig_cpy_f32_f32, "contig_cpy_f32_f32", contig_cpy_f32_f32_len, contig_cpy_f32_f32_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_contig_cpy_f32_f16, "contig_cpy_f32_f16", contig_cpy_f32_f16_len, contig_cpy_f32_f16_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_contig_cpy_f16_f16, "contig_cpy_f16_f16", contig_cpy_f16_f16_len, contig_cpy_f16_f16_data, "main", 2, sizeof(vk_op_unary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_add_f32, "add_f32", add_f32_len, add_f32_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, {}, 1);
ggml_vk_create_pipeline(device, device->pipeline_add_f16_f32_f16, "add_f16_f32_f16", add_f16_f32_f16_len, add_f16_f32_f16_data, "main", 3, sizeof(vk_op_binary_push_constants), {512, 1, 1}, {}, 1);
@ -1817,6 +1830,7 @@ static void ggml_vk_load_shaders(vk_device& device) {
for (auto &c : compiles) {
c.wait();
}
std::cerr << "Done!" << std::endl;
}
static vk_device ggml_vk_get_device(size_t idx) {
@ -3061,18 +3075,34 @@ static bool ggml_vk_dim01_contiguous(const ggml_tensor * tensor) {
tensor->nb[3] == tensor->nb[2]*tensor->ne[2];
}
static vk_pipeline ggml_vk_get_cpy_pipeline(ggml_backend_vk_context * ctx, ggml_type from, ggml_type to) {
if (from == GGML_TYPE_F32 && to == GGML_TYPE_F32) {
return ctx->device->pipeline_cpy_f32_f32;
static vk_pipeline ggml_vk_get_cpy_pipeline(ggml_backend_vk_context * ctx, const ggml_tensor * src, const ggml_tensor * dst, ggml_type to) {
// Choose "contiguous copy" shader if src/dst are contiguous
bool contig = ggml_is_contiguous(src) && (!dst || ggml_is_contiguous(dst));
if (src->type == GGML_TYPE_F32 && to == GGML_TYPE_F32) {
if (contig) {
return ctx->device->pipeline_contig_cpy_f32_f32;
} else {
return ctx->device->pipeline_cpy_f32_f32;
}
}
if (from == GGML_TYPE_F32 && to == GGML_TYPE_F16) {
return ctx->device->pipeline_cpy_f32_f16;
if (src->type == GGML_TYPE_F32 && to == GGML_TYPE_F16) {
if (contig) {
return ctx->device->pipeline_contig_cpy_f32_f16;
} else {
return ctx->device->pipeline_cpy_f32_f16;
}
}
if (from == GGML_TYPE_F16 && to == GGML_TYPE_F16) {
return ctx->device->pipeline_cpy_f16_f16;
if (src->type == GGML_TYPE_F16 && to == GGML_TYPE_F16) {
if (contig) {
return ctx->device->pipeline_contig_cpy_f16_f16;
} else {
return ctx->device->pipeline_cpy_f16_f16;
}
}
std::cerr << "Missing CPY op for types: " << ggml_type_name(from) << " " << ggml_type_name(to) << std::endl;
std::cerr << "Missing CPY op for types: " << ggml_type_name(src->type) << " " << ggml_type_name(to) << std::endl;
GGML_ABORT("fatal error");
}
@ -3082,6 +3112,15 @@ static void ggml_vk_cpy_to_contiguous(ggml_backend_vk_context * ctx, vk_context&
const int tensor_type_size = ggml_type_size(tensor->type);
const uint32_t ne = ggml_nelements(tensor);
std::array<uint32_t, 3> elements;
if (ne > 262144) {
elements = { 512, 512, CEIL_DIV(ne, 262144) };
} else if (ne > 512) {
elements = { 512, CEIL_DIV(ne, 512), 1 };
} else {
elements = { ne, 1, 1 };
}
const vk_op_unary_push_constants pc = {
(uint32_t)ne,
@ -3091,7 +3130,7 @@ static void ggml_vk_cpy_to_contiguous(ggml_backend_vk_context * ctx, vk_context&
0.0f, 0.0f,
};
ggml_vk_sync_buffers(subctx);
ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, { in, out }, sizeof(vk_op_unary_push_constants), &pc, { ne, 1, 1 });
ggml_vk_dispatch_pipeline(ctx, subctx, pipeline, { in, out }, sizeof(vk_op_unary_push_constants), &pc, elements);
}
static void ggml_vk_mul_mat_q_f16(ggml_backend_vk_context * ctx, vk_context& subctx, const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst, bool dryrun = false) {
@ -3176,12 +3215,12 @@ static void ggml_vk_mul_mat_q_f16(ggml_backend_vk_context * ctx, vk_context& sub
vk_pipeline to_fp16_vk_1 = nullptr;
if (x_non_contig) {
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0->type, GGML_TYPE_F16);
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0, nullptr, GGML_TYPE_F16);
} else {
to_fp16_vk_0 = ggml_vk_get_to_fp16(ctx, src0->type);
}
if (y_non_contig) {
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1->type, GGML_TYPE_F16);
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1, nullptr, GGML_TYPE_F16);
} else {
to_fp16_vk_1 = ggml_vk_get_to_fp16(ctx, src1->type);
}
@ -3361,10 +3400,10 @@ static void ggml_vk_mul_mat_vec_q_f16(ggml_backend_vk_context * ctx, vk_context&
vk_pipeline to_fp16_vk_0 = nullptr;
vk_pipeline to_fp16_vk_1 = nullptr;
if (x_non_contig) {
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0->type, src0->type);
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0, nullptr, src0->type);
}
if (y_non_contig) {
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1->type, src1->type);
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1, nullptr, src1->type);
} else {
to_fp16_vk_1 = ggml_vk_get_to_fp16(ctx, src1->type);
}
@ -3745,12 +3784,12 @@ static void ggml_vk_mul_mat_id_q_f16(ggml_backend_vk_context * ctx, vk_context&
vk_pipeline to_fp16_vk_1 = nullptr;
if (x_non_contig) {
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0->type, GGML_TYPE_F16);
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0, nullptr, GGML_TYPE_F16);
} else {
to_fp16_vk_0 = ggml_vk_get_to_fp16(ctx, src0->type);
}
if (y_non_contig) {
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1->type, GGML_TYPE_F16);
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1, nullptr, GGML_TYPE_F16);
} else {
to_fp16_vk_1 = ggml_vk_get_to_fp16(ctx, src1->type);
}
@ -3938,10 +3977,10 @@ static void ggml_vk_mul_mat_vec_id_q_f16(ggml_backend_vk_context * ctx, vk_conte
vk_pipeline to_fp16_vk_0 = nullptr;
vk_pipeline to_fp16_vk_1 = nullptr;
if (x_non_contig) {
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0->type, src0->type);
to_fp16_vk_0 = ggml_vk_get_cpy_pipeline(ctx, src0, nullptr, src0->type);
}
if (y_non_contig) {
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1->type, src1->type);
to_fp16_vk_1 = ggml_vk_get_cpy_pipeline(ctx, src1, nullptr, src1->type);
} else {
to_fp16_vk_1 = ggml_vk_get_to_fp16(ctx, src1->type);
}
@ -4148,7 +4187,7 @@ static vk_pipeline ggml_vk_op_get_pipeline(ggml_backend_vk_context * ctx, const
case GGML_OP_CPY:
case GGML_OP_CONT:
case GGML_OP_DUP:
return ggml_vk_get_cpy_pipeline(ctx, src0->type, dst->type);
return ggml_vk_get_cpy_pipeline(ctx, src0, dst, dst->type);
case GGML_OP_NORM:
if (src0->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32) {
return ctx->device->pipeline_norm_f32;
@ -4281,7 +4320,6 @@ static bool ggml_vk_op_supports_incontiguous(ggml_op op) {
case GGML_OP_DIV:
case GGML_OP_CONCAT:
case GGML_OP_UPSCALE:
case GGML_OP_SCALE:
case GGML_OP_SQR:
case GGML_OP_SIN:
case GGML_OP_COS:

2
ggml/src/vulkan-shaders/clamp.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();

42
ggml/src/vulkan-shaders/contig_copy.comp Normal file
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@ -0,0 +1,42 @@
#version 450
#include "types.comp"
#include "generic_unary_head.comp"
#extension GL_EXT_control_flow_attributes : require
const uint num_threads = 128;
layout(local_size_x = num_threads, local_size_y = 1, local_size_z = 1) in;
void main() {
uint idx = get_idx();
// num_threads * num_iter must equal 512, to match the wg_denoms and get_idx calculation
const uint num_iter = 4;
// fast path for when all four iterations are in-bounds
if (idx + (num_iter-1)*num_threads < p.ne) {
[[unroll]] for (uint i = 0; i < num_iter; ++i) {
#ifndef OPTIMIZATION_ERROR_WORKAROUND
data_d[p.d_offset + idx] = D_TYPE(data_a[idx]);
#else
data_d[p.d_offset + idx] = data_a[idx];
#endif
idx += num_threads;
}
} else {
[[unroll]] for (uint i = 0; i < num_iter; ++i) {
if (idx >= p.ne) {
continue;
}
#ifndef OPTIMIZATION_ERROR_WORKAROUND
data_d[p.d_offset + idx] = D_TYPE(data_a[idx]);
#else
data_d[p.d_offset + idx] = data_a[idx];
#endif
idx += num_threads;
}
}
}

2
ggml/src/vulkan-shaders/copy.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();

2
ggml/src/vulkan-shaders/cos.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();

3
ggml/src/vulkan-shaders/generic_unary_head.comp
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@ -1,4 +1,5 @@
#extension GL_EXT_shader_16bit_storage : require
#extension GL_EXT_control_flow_attributes : require
layout (push_constant) uniform parameter
{
@ -9,8 +10,6 @@ layout (push_constant) uniform parameter
float param1; float param2;
} p;
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
layout (binding = 0) readonly buffer A {A_TYPE data_a[];};
layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};

2
ggml/src/vulkan-shaders/pad.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = gl_GlobalInvocationID.z * 262144 + gl_GlobalInvocationID.y * 512 + gl_GlobalInvocationID.x;

2
ggml/src/vulkan-shaders/repeat.comp
View File

@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
uint src0_idx_mod(uint idx) {
const uint i13 = idx / (p.ne12*p.ne11*p.ne10);
const uint i13_offset = i13 * p.ne12*p.ne11*p.ne10;

20
ggml/src/vulkan-shaders/scale.comp
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@ -3,12 +3,22 @@
#include "types.comp"
#include "generic_unary_head.comp"
const uint num_threads = 128;
layout(local_size_x = num_threads, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();
uint idx = get_idx();
if (idx >= p.ne) {
return;
// num_threads * num_iter must equal 512, to match the wg_denoms and get_idx calculation
const uint num_iter = 4;
[[unroll]] for (uint i = 0; i < num_iter; ++i) {
if (idx >= p.ne) {
continue;
}
data_d[p.d_offset + idx] = D_TYPE(FLOAT_TYPE(data_a[idx]) * FLOAT_TYPE(p.param1));
idx += num_threads;
}
data_d[p.d_offset + dst_idx(idx)] = D_TYPE(FLOAT_TYPE(data_a[src0_idx(idx)]) * FLOAT_TYPE(p.param1));
}

2
ggml/src/vulkan-shaders/sin.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();

2
ggml/src/vulkan-shaders/square.comp
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@ -3,6 +3,8 @@
#include "types.comp"
#include "generic_unary_head.comp"
layout(local_size_x = 512, local_size_y = 1, local_size_z = 1) in;
void main() {
const uint idx = get_idx();

3
ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp
View File

@ -350,6 +350,9 @@ void process_shaders() {
string_to_spv("cpy_f32_f32", "copy.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});
string_to_spv("cpy_f32_f16", "copy.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float16_t"}});
string_to_spv("cpy_f16_f16", "copy.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}, {"OPTIMIZATION_ERROR_WORKAROUND", "1"}});
string_to_spv("contig_cpy_f32_f32", "contig_copy.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float"}});
string_to_spv("contig_cpy_f32_f16", "contig_copy.comp", {{"A_TYPE", "float"}, {"D_TYPE", "float16_t"}});
string_to_spv("contig_cpy_f16_f16", "contig_copy.comp", {{"A_TYPE", "float16_t"}, {"D_TYPE", "float16_t"}, {"OPTIMIZATION_ERROR_WORKAROUND", "1"}});
string_to_spv("add_f32", "add.comp", {{"A_TYPE", "float"}, {"B_TYPE", "float"}, {"D_TYPE", "float"}, {"FLOAT_TYPE", "float"}});
string_to_spv("add_f16_f32_f16", "add.comp", {{"A_TYPE", "float16_t"}, {"B_TYPE", "float"}, {"D_TYPE", "float16_t"}, {"FLOAT_TYPE", "float"}});