Lumpiasty/llama.cpp
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hexagon refactor all Ops to use local context struct (#19819)

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* hexagon: refactor set/get/sum-rows ops to use local context

* hexagon: refactor ROPE and Softmax Ops to use local context

Improves performance a bit by precomputing things and saving in the context.

* hexagon: refactor activation ops to use local context struct

* hexagon: refactor unary ops to use local context struct and DMA/VTCM

* hexagon: use aligned hvx_scale function

* hexagon: remove unused fields from op_context

* hexagon: rewrite ROPE to use DMA and VTCM scratchpad

* hex-rope: keep N rows in scratchpad (instead of just two)

* hex-rope: introduce rowidx cache

* hex-rope: remove unused fields

* hex-rope: rewrite dma prefetch logic to allow for multi-row fetch/compute

also removes the need for fastdiv.

* hex-rope: minor formatting

* hex-rope: use indices and unroll the loops

* hex-rope: more updates to cleanup rope-block handling

* hexagon: cleanup supported type/dims checks

* hexagon: all reduce funcs replicated across lanes

There is no need to explicitly replicate the first value.

* snapdragon: update adb and windows scripts to use ubatch-size 256

Updated Ops support handles larger ubatches.
This commit is contained in:
Max Krasnyansky
2026-02-23 16:32:14 -08:00
committed by GitHub
parent 5eb0ea32f0
commit 39fb81f875
15 changed files with 977 additions and 1000 deletions
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ggml/src/ggml-hexagon/htp/htp-ops.h
-26
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@@ -44,32 +44,6 @@ struct htp_ops_context {
uint32_t src0_nrows_per_thread;
uint32_t src1_nrows_per_thread;
struct fastdiv_values src0_div1; // fastdiv values for ne1
struct fastdiv_values src0_div2; // fastdiv values for ne2
struct fastdiv_values src0_div3; // fastdiv values for ne3
struct fastdiv_values src0_div21; // fastdiv values for ne2 * ne1
struct fastdiv_values src1_div1; // fastdiv values for ne1
struct fastdiv_values src1_div2; // fastdiv values for ne2
struct fastdiv_values src1_div3; // fastdiv values for ne3
struct fastdiv_values src1_div21; // fastdiv values for ne2 * ne1
struct fastdiv_values src3_div1; // fastdiv values for ne1
struct fastdiv_values src3_div2; // fastdiv values for ne2
struct fastdiv_values src3_div3; // fastdiv values for ne3
struct fastdiv_values src3_div21; // fastdiv values for ne2 * ne1
struct fastdiv_values broadcast_rk2;
struct fastdiv_values broadcast_rk3;
struct fastdiv_values broadcast_rv2;
struct fastdiv_values broadcast_rv3;
struct fastdiv_values set_rows_div_ne12; // fastdiv values for ne12
struct fastdiv_values set_rows_div_ne11; // fastdiv values for ne11
struct fastdiv_values get_rows_div_ne10; // fastdiv values for ne10
struct fastdiv_values get_rows_div_ne10_ne11; // fastdiv values for ne10 * ne11
uint32_t flags;
};