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[GPU] Fix unexpectedly turned off Small N case optimization #27656

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merged 1 commit into from
Nov 22, 2024
Merged

[GPU] Fix unexpectedly turned off Small N case optimization #27656

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10 changes: 10 additions & 0 deletions ...intel_gpu/src/kernel_selector/kernels/fully_connected/fully_connected_kernel_bf_tiled.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,11 @@ static bool is_weight_horizontal(const fully_connected_params& params, size_t ou
&& output_f / 4 /* tile_ofm=4 */ > min_num_threads * 1.5);
}

static bool is_weight_small_kn(const fully_connected_params& params, size_t output_f) {
size_t min_num_threads = params.engineInfo.computeUnitsCount * simd;
return output_f / 2 /*most frequently used tile_ofm*/ <= min_num_threads;
}

static bool is_suitable_outer_ofm(const fully_connected_params& params, size_t output_f) {
size_t min_num_threads = params.engineInfo.computeUnitsCount * simd;
return (params.weights.OFM().v > params.weights.IFM().v * 6
Expand Down Expand Up @@ -412,6 +417,11 @@ FullyConnected_bf_tiled::GetAutoTuneParams(const fully_connected_params& params,
} else if (params.weights.GetLayout() == WeightsLayout::os_iyx_osv16) {
return selector.Default(tune_params(1, 1, 4, 4, 1, 1, 1, EXE_MODE_DEFAULT));
}
} else if (is_weight_small_kn(params, output_f)) {
if (params.weights.GetLayout() == WeightsLayout::os_is_yx_osv32_isv2)
return selector.Default(tune_params(1, 1, 4, 2, 1, 1, 1, EXE_MODE_DEFAULT));
else
return selector.Default(tune_params(1, 2, 4, 2, 1, 1, 1, EXE_MODE_DEFAULT));
} else {
if (params.weights.GetLayout() == WeightsLayout::os_iyx_osv16) {
return selector.Default(tune_params(1, 1, 4, 4, 1, 1, 1, EXE_MODE_DEFAULT));
Expand Down
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