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SYCL: disable faulty fp16 CPU exponent for now

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Akarshan
2025-06-26 19:48:24 +05:30
parent a5d1fb6212
commit ed0aab1ec3
3 changed files with 2 additions and 158 deletions
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154
ggml/src/ggml-sycl/element_wise.cpp
View File

@@ -356,33 +356,6 @@ static void clamp(const T * x, T * dst, const float min, const float max, const
}
}
template<typename T>
static void gated_op_fused_geglu(const T * x, const T * g, T * dst, const uint64_t k, const uint64_t n, const uint64_t o0, const uint64_t o1, const sycl::nd_item<1> &item_ct1) {
SYCL_GLOBAL_ID_LOOP(k, item_ct1) {
const int64_t j0 = (i / n) * o0 + (i % n);
const int64_t j1 = o0 == o1 ? j0 : (i / n) * o1 + (i % n);
dst[i] = op_gelu(x[j0]) * g[j1];
}
}
template<typename T>
static void gated_op_fused_reglu(const T * x, const T * g, T * dst, const uint64_t k, const uint64_t n, const uint64_t o0, const uint64_t o1, const sycl::nd_item<1> &item_ct1) {
SYCL_GLOBAL_ID_LOOP(k, item_ct1) {
const int64_t j0 = (i / n) * o0 + (i % n);
const int64_t j1 = o0 == o1 ? j0 : (i / n) * o1 + (i % n);
dst[i] = op_relu(x[j0]) * g[j1];
}
}
template<typename T>
static void gated_op_fused_swiglu(const T * x, const T * g, T * dst, const uint64_t k, const uint64_t n, const uint64_t o0, const uint64_t o1, const sycl::nd_item<1> &item_ct1) {
SYCL_GLOBAL_ID_LOOP(k, item_ct1) {
const int64_t j0 = (i / n) * o0 + (i % n);
const int64_t j1 = o0 == o1 ? j0 : (i / n) * o1 + (i % n);
dst[i] = op_silu(x[j0]) * g[j1];
}
}
namespace ggml_sycl_detail {
static void acc_f32_sycl(const float *x, const float *y, float *dst,
const int n_elements, const int ne10, const int ne11,
@@ -457,85 +430,6 @@ static inline void dispatch_ggml_sycl_op_unary(ggml_backend_sycl_context & ctx,
}
}
template<typename KernelInvoker, typename... Args>
static inline void dispatch_ggml_sycl_op_fused_glu(ggml_backend_sycl_context & ctx, ggml_tensor * dst, KernelInvoker kernel_invoker, Args&&... args) {
#if defined (GGML_SYCL_F16)
GGML_ASSERT(dst->src[0]->type == GGML_TYPE_F32 || dst->src[0]->type == GGML_TYPE_F16);
GGML_ASSERT(dst->type == GGML_TYPE_F32 || dst->type == GGML_TYPE_F16);
#else
GGML_ASSERT(dst->src[0]->type == GGML_TYPE_F32);
GGML_ASSERT(dst->type == GGML_TYPE_F32);
#endif
GGML_ASSERT(dst->src[0]->type == dst->type);
dpct::queue_ptr main_stream = ctx.stream();
SYCL_CHECK(ggml_sycl_set_device(ctx.device));
const ggml_tensor * src0 = dst->src[0];
const ggml_tensor * src1 = dst->src[1];
const int64_t nc = src1 ? src0->ne[0] : src0->ne[0] / 2;;
GGML_ASSERT(dst->ne[0] == nc);
GGML_ASSERT(ggml_is_contiguous_1(dst->src[0]));
GGML_ASSERT(ggml_is_contiguous(dst));
const int32_t swapped = ((const int32_t *) dst->op_params)[1];
void * src0_d = src0->data;
void * src1_d = src1 ? src1->data : src0->data;
const int64_t src0_o = src0->nb[1];
const int64_t src1_o = src1 ? src1->nb[1] : src0->nb[1];
void * dst_d = dst->data;
if (src1) {
GGML_ASSERT(ggml_is_contiguous_1(src1));
GGML_ASSERT(src1->nb[0] == ggml_element_size(src1));
GGML_ASSERT(src1->ne[0] == nc);
GGML_ASSERT(src0->type == src1->type);
}
switch (dst->type) {
#if defined (GGML_SYCL_F16)
case GGML_TYPE_F16:
{
sycl::half * src0_p = (sycl::half *) src0_d;
sycl::half * src1_p = (sycl::half *) src1_d;
if (!src1) {
src0_p += swapped ? nc : 0;
src1_p += swapped ? 0 : nc;
}
kernel_invoker(src0_p,
src1_p,
(sycl::half *) dst_d,
ggml_nelements(dst),
nc,
src0_o / sizeof(sycl::half),
src1_o / sizeof(sycl::half),
main_stream,
std::forward<Args>(args)...);
break;
}
#endif
case GGML_TYPE_F32:
{
float * src0_p = (float *) src0_d;
float * src1_p = (float *) src1_d;
if (!src1) {
src0_p += swapped ? nc : 0;
src1_p += swapped ? 0 : nc;
}
kernel_invoker(src0_p,
src1_p,
(float *) dst_d,
ggml_nelements(dst),
nc,
src0_o / sizeof(float),
src1_o / sizeof(float),
main_stream,
std::forward<Args>(args)...);
break;
}
default:
GGML_ABORT("GGML tensor type not supported!\n");
}
}
template<typename KernelInvoker, typename... Args>
static inline void dispatch_ggml_sycl_op_upscale(ggml_backend_sycl_context & ctx, ggml_tensor * dst, KernelInvoker kernel_invoker, Args&&... args) {
#if defined (GGML_SYCL_F16)
@@ -945,40 +839,6 @@ static inline void ggml_sycl_op_acc(ggml_backend_sycl_context & ctx, ggml_tensor
ggml_sycl_detail::acc_f32_sycl(src0_dd, src1_dd, dst_dd, (int)ggml_nelements(dst), (int)dst->src[1]->ne[0], (int)dst->src[1]->ne[1], (int)dst->src[1]->ne[2], nb1, nb2, offset, main_stream);
}
static inline void ggml_sycl_op_geglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
ggml_sycl_detail::dispatch_ggml_sycl_op_fused_glu(ctx, dst,
[](const auto* x_ptr, const auto* g_ptr, auto* dst_ptr, uint64_t k, uint64_t n, uint64_t o0, uint64_t o1, queue_ptr main_stream) {
const uint32_t num_blocks = ceil_div(k, SYCL_GELU_BLOCK_SIZE);
sycl_parallel_for(main_stream,
sycl::nd_range<1>((num_blocks * sycl::range<1>(SYCL_GELU_BLOCK_SIZE)), sycl::range<1>(SYCL_GELU_BLOCK_SIZE)), [=](sycl::nd_item<1> item_ct1) {
gated_op_fused_geglu(x_ptr, g_ptr, dst_ptr, k, n, o0, o1, item_ct1);
});
});
}
static inline void ggml_sycl_op_reglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
ggml_sycl_detail::dispatch_ggml_sycl_op_fused_glu(ctx, dst,
[](const auto* x_ptr, const auto* g_ptr, auto* dst_ptr, uint64_t k, uint64_t n, uint64_t o0, uint64_t o1, queue_ptr main_stream) {
const uint32_t num_blocks = ceil_div((uint32_t)k, SYCL_RELU_BLOCK_SIZE); // Using RELU block size for reglu
sycl_parallel_for(main_stream,
sycl::nd_range<1>((num_blocks * sycl::range<1>(SYCL_RELU_BLOCK_SIZE)), sycl::range<1>(SYCL_RELU_BLOCK_SIZE)), [=](sycl::nd_item<1> item_ct1) {
gated_op_fused_reglu(x_ptr, g_ptr, dst_ptr, k, n, o0, o1, item_ct1);
});
});
}
static inline void ggml_sycl_op_swiglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
ggml_sycl_detail::dispatch_ggml_sycl_op_fused_glu(ctx, dst,
[](const auto* x_ptr, const auto* g_ptr, auto* dst_ptr, uint64_t k, uint64_t n, uint64_t o0, uint64_t o1, queue_ptr main_stream) {
const uint32_t num_blocks = ceil_div((uint32_t)k, SYCL_SILU_BLOCK_SIZE); // Using SILU block size for swiglu
sycl_parallel_for(main_stream,
sycl::nd_range<1>((num_blocks * sycl::range<1>(SYCL_SILU_BLOCK_SIZE)), sycl::range<1>(SYCL_SILU_BLOCK_SIZE)), [=](sycl::nd_item<1> item_ct1) {
gated_op_fused_swiglu(x_ptr, g_ptr, dst_ptr, k, n, o0, o1, item_ct1);
});
});
}
void ggml_sycl_sqrt(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
ggml_sycl_op_sqrt(ctx, dst);
@@ -1104,17 +964,3 @@ void ggml_sycl_elu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
ggml_sycl_op_elu(ctx, dst);
}
void ggml_sycl_geglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
ggml_sycl_op_geglu(ctx, dst);
}
void ggml_sycl_reglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
ggml_sycl_op_reglu(ctx, dst);
}
void ggml_sycl_swiglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst) {
scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/1);
ggml_sycl_op_swiglu(ctx, dst);
}

4
ggml/src/ggml-sycl/element_wise.hpp
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@@ -77,8 +77,4 @@ void ggml_sycl_abs(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
void ggml_sycl_elu(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
void ggml_sycl_geglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
void ggml_sycl_reglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
void ggml_sycl_swiglu(ggml_backend_sycl_context & ctx, ggml_tensor * dst);
#endif // GGML_SYCL_ELEMENTWISE_HPP

2
ggml/src/ggml-sycl/ggml-sycl.cpp
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@@ -4216,6 +4216,8 @@ static bool ggml_backend_sycl_device_supports_op(ggml_backend_dev_t dev, const g
case GGML_UNARY_OP_GELU_ERF:
case GGML_UNARY_OP_TANH:
case GGML_UNARY_OP_EXP:
// Disable FP16 until we find out the root cause of failing fp16 sycl::exp
return ggml_is_contiguous(op->src[0]) && (op->type == op->src[0]->type) && op->src[0]->type == GGML_TYPE_F32;
case GGML_UNARY_OP_SGN:
case GGML_UNARY_OP_ABS:
case GGML_UNARY_OP_ELU: