Optimizations for Shamir-based Protocol #880
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# Pull Request ## What problem does this PR solve? Issue Number: Fixed # ## Possible side effects? - Performance: - Backward compatibility:
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All contributors have signed the CLA ✍️ ✅ |
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I have read the CLA Document and I hereby sign the CLA |
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recheck |
w-gc
reviewed
Nov 5, 2024
| @@ -623,12 +625,10 @@ Value xor_pp(SPUContext* ctx, const Value& x, const Value& y) { | |||
| Value lshift_s(SPUContext* ctx, const Value& x, const Sizes& bits) { | |||
| SPU_TRACE_MPC_DISP(ctx, x, bits); | |||
| TRY_DISPATCH(ctx, x, bits); | |||
| if (IsA(x)) { | |||
| if (IsA(x) && ctx->hasKernel("lshift_a")) { | |||
There was a problem hiding this comment.
若是ArithShare，但有没有
lshift_a，也走lshift_b吗？
是的
| @@ -25,6 +25,7 @@ namespace spu::mpc::test { | |||
| namespace { | |||
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| Shape kShape = {20, 30}; | |||
| // Shape kShape = {3}; | |||
tpppppub
reviewed
Nov 5, 2024
| @@ -623,12 +625,10 @@ Value xor_pp(SPUContext* ctx, const Value& x, const Value& y) { | |||
| Value lshift_s(SPUContext* ctx, const Value& x, const Sizes& bits) { | |||
| SPU_TRACE_MPC_DISP(ctx, x, bits); | |||
| TRY_DISPATCH(ctx, x, bits); | |||
| if (IsA(x)) { | |||
| if (IsA(x) && ctx->hasKernel("lshift_a")) { | |||
There was a problem hiding this comment.
若是ArithShare，但有没有
lshift_a，也走lshift_b吗？
是的
| public: | ||
| static constexpr const char* kBindName() {return "rand_a"; } | ||
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| Kind kind() const override { return Kind::Dynamic; } |
There was a problem hiding this comment.
please add the communication complexity
w-gc
reviewed
Nov 5, 2024
| @@ -0,0 +1,16 @@ | |||
| { | |||
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| ce::CExpr comm() const override { return ce::Const(0); } | ||
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| NdArrayRef proc(KernelEvalContext* ctx, const NdArrayRef& in) const override; |
w-gc
reviewed
Nov 5, 2024
| _prefix_prod[i] = mul_mod(_prefix_prod[i - 1], _x[i]); | ||
| } | ||
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| ring2k_t pprod_inverse = mul_inv(_prefix_prod[numel - 1]); |
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| ce::CExpr comm() const override { return ce::Const(0); } | ||
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| NdArrayRef proc(KernelEvalContext* ctx, const NdArrayRef& in) const override; |
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Pull Request
What problem does this PR solve?
主要修改&优化：
libspu/mpc/utils/gfmp_ops.cc
libspu/mpc/shamir/arithmetic.cc
libspu/mpc/shamir/boolean.cc
libspu/mpc/shamir/conversion.cc
Issue Number: Fixed #
Possible side effects?
Performance:
Backward compatibility: