fix metal assertion errors

This commit is contained in:
Jeffrey Morgan 2023-10-24 00:32:36 -07:00
parent 77f61c6301
commit b0c9cd0f3b
3 changed files with 93 additions and 0 deletions

View file

@ -13,6 +13,7 @@ package llm
//go:generate git submodule update --force gguf
//go:generate git -C gguf apply ../patches/0001-update-default-log-target.patch
//go:generate git -C gguf apply ../patches/0001-metal-handle-ggml_scale-for-n-4-0-close-3754.patch
//go:generate cmake -S gguf -B gguf/build/cpu -DLLAMA_ACCELERATE=on -DLLAMA_K_QUANTS=on -DCMAKE_SYSTEM_PROCESSOR=x86_64 -DCMAKE_OSX_ARCHITECTURES=x86_64 -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0
//go:generate cmake --build gguf/build/cpu --target server --config Release
//go:generate mv gguf/build/cpu/bin/server gguf/build/cpu/bin/ollama-runner

View file

@ -13,6 +13,7 @@ package llm
//go:generate git submodule update --force gguf
//go:generate git -C gguf apply ../patches/0001-update-default-log-target.patch
//go:generate git -C gguf apply ../patches/0001-metal-handle-ggml_scale-for-n-4-0-close-3754.patch
//go:generate cmake -S gguf -B gguf/build/metal -DLLAMA_METAL=on -DLLAMA_ACCELERATE=on -DLLAMA_K_QUANTS=on -DCMAKE_SYSTEM_PROCESSOR=arm64 -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0
//go:generate cmake --build gguf/build/metal --target server --config Release
//go:generate mv gguf/build/metal/bin/server gguf/build/metal/bin/ollama-runner

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@ -0,0 +1,91 @@
From 469c9addef75893e6be12edda852d12e840bf064 Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Tue, 24 Oct 2023 09:46:50 +0300
Subject: [PATCH 1/2] metal : handle ggml_scale for n%4 != 0 (close #3754)
ggml-ci
---
ggml-metal.m | 18 +++++++++++++-----
ggml-metal.metal | 10 +++++++++-
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/ggml-metal.m b/ggml-metal.m
index c908106..c1901dc 100644
--- a/ggml-metal.m
+++ b/ggml-metal.m
@@ -62,6 +62,7 @@
GGML_METAL_DECL_KERNEL(mul);
GGML_METAL_DECL_KERNEL(mul_row); // TODO: avoid this extra kernel, instead extend the "mul" kernel to support broadcast
GGML_METAL_DECL_KERNEL(scale);
+ GGML_METAL_DECL_KERNEL(scale_4);
GGML_METAL_DECL_KERNEL(silu);
GGML_METAL_DECL_KERNEL(relu);
GGML_METAL_DECL_KERNEL(gelu);
@@ -249,6 +250,7 @@ static void ggml_metal_log(enum ggml_log_level level, const char* format, ...){
GGML_METAL_ADD_KERNEL(mul);
GGML_METAL_ADD_KERNEL(mul_row);
GGML_METAL_ADD_KERNEL(scale);
+ GGML_METAL_ADD_KERNEL(scale_4);
GGML_METAL_ADD_KERNEL(silu);
GGML_METAL_ADD_KERNEL(relu);
GGML_METAL_ADD_KERNEL(gelu);
@@ -347,6 +349,7 @@ void ggml_metal_free(struct ggml_metal_context * ctx) {
GGML_METAL_DEL_KERNEL(mul);
GGML_METAL_DEL_KERNEL(mul_row);
GGML_METAL_DEL_KERNEL(scale);
+ GGML_METAL_DEL_KERNEL(scale_4);
GGML_METAL_DEL_KERNEL(silu);
GGML_METAL_DEL_KERNEL(relu);
GGML_METAL_DEL_KERNEL(gelu);
@@ -923,15 +926,20 @@ void ggml_metal_graph_compute(
const float scale = *(const float *) src1->data;
- [encoder setComputePipelineState:ctx->pipeline_scale];
+ int64_t n = ggml_nelements(dst);
+
+ if (n % 4 == 0) {
+ n /= 4;
+ [encoder setComputePipelineState:ctx->pipeline_scale_4];
+ } else {
+ [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);
- GGML_ASSERT(n % 4 == 0);
-
- [encoder dispatchThreadgroups:MTLSizeMake(n/4, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
+ [encoder dispatchThreadgroups:MTLSizeMake(n, 1, 1) threadsPerThreadgroup:MTLSizeMake(1, 1, 1)];
} break;
case GGML_OP_UNARY:
switch (ggml_get_unary_op(gf->nodes[i])) {
diff --git a/ggml-metal.metal b/ggml-metal.metal
index 69fc713..f4b4605 100644
--- a/ggml-metal.metal
+++ b/ggml-metal.metal
@@ -125,9 +125,17 @@ kernel void kernel_mul_row(
}
kernel void kernel_scale(
+ device const float * src0,
+ device float * dst,
+ constant float & scale,
+ uint tpig[[thread_position_in_grid]]) {
+ dst[tpig] = src0[tpig] * scale;
+}
+
+kernel void kernel_scale_4(
device const float4 * src0,
device float4 * dst,
- constant float & scale,
+ constant float & scale,
uint tpig[[thread_position_in_grid]]) {
dst[tpig] = src0[tpig] * scale;
}
--
2.39.3 (Apple Git-145)