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fptest_mul.cu
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// bls12_381: Arithmetic for BLS12-381
// Copyright 2022-2023 Dag Arne Osvik
// Copyright 2022-2023 Luan Cardoso dos Santos
#include "fp.cuh"
#include "fptest.cuh"
#include "fp_ptx.cuh"
/**
* @brief Test for the commutative property of addition
*
* x*y == y*x
*
* @param testval
* @return void
*/
__global__ void FpTestCommutativeMul(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
size_t count = 0;
for (int i=0; i<TESTVALS; i++) {
for (int j=0; j<TESTVALS; j++) {
fp_t x, y;
fp_cpy(x, testval[i]);
fp_cpy(y, testval[j]);
fp_mul(x, x, testval[j]); // x * y
fp_mul(y, y, testval[i]); // y * x
if (fp_neq(x, y)) {
pass = false;
printf("%d,%d: FAILED: inconsistent result\n", i, j);
fp_print("x = ", testval[i]);
fp_print("y = ", testval[j]);
fp_print("x*y = ", x);
fp_print("y*x = ", y);
}
++count;
}
}
printf("%ld tests\n", count);
PRINTPASS(pass);
}
//
/**
* @brief Test for the associative property of multiplication
*
* (x*y)*z == x*(y*z)
*
* @param testval
* @return void
*/
__global__ void FpTestAssociativeMul(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
size_t count = 0;
for (int i=0; i<TESTVALS; i++) {
for (int j=0; j<TESTVALS; j++) {
for (int k=0; k<TESTVALS; k++) {
fp_t a, b, c;
fp_cpy(a, testval[i]); // x
fp_cpy(b, testval[j]); // y
fp_cpy(c, testval[i]); // x
fp_mul(a, a, testval[j]); // x * y
fp_mul(a, a, testval[k]); // (x * y) * z
fp_mul(b, b, testval[k]); // y * z
fp_mul(c, c, b); // x * (y * z)
if (fp_neq(a, c)) {
pass = false;
printf("%d,%d,%d: FAILED: inconsistent result\n", i, j, k);
fp_print("x = ", testval[i]);
fp_print("y = ", testval[j]);
fp_print("z = ", testval[k]);
fp_print("(x*y)*z = ", a);
fp_print("x*(y*z) = ", c);
}
++count;
}
}
}
printf("%ld tests\n", count);
PRINTPASS(pass);
}
/**
* @brief Multiplication test, using different values for different threads.
*
*
* @param testval
* @return void
*/
__global__ void FpTestMul(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
unsigned tid = 0; tid += blockIdx.z;
tid *= gridDim.y; tid += blockIdx.y;
tid *= gridDim.x; tid += blockIdx.x;
tid *= blockDim.z; tid += threadIdx.z;
tid *= blockDim.y; tid += threadIdx.y;
tid *= blockDim.x; tid += threadIdx.x;
if (tid > 0xffffffff)
return;
uint64_t t[6] = { tid, 0, 0, 0, 0, 0 };
fp_t x, z;
fp_fromUint64(x, t); // x = tid
if (x[0] != tid) pass = false;
if (x[1] != 0) pass = false;
if (x[2] != 0) pass = false;
if (x[3] != 0) pass = false;
if (x[4] != 0) pass = false;
if (x[5] != 0) pass = false;
if (!pass) {
printf("%d: FAILED after fp_fromUint64\n", tid);
goto done;
}
fp_mul(z, x, x); // z = tid * tid
if (z[0] != tid*tid) pass = false;
if (z[1] != 0) pass = false;
if (z[2] != 0) pass = false;
if (z[3] != 0) pass = false;
if (z[4] != 0) pass = false;
if (z[5] != 0) pass = false;
if (!pass) {
printf("%d: FAILED after fp_mul\n", tid);
goto done;
}
done:
PRINTPASS(pass);
}
/**
* @brief Test for the commutative property of addition using PTX macros
*
* x*y == y*x
*
* @param testval
* @return void
*/
__global__ void FpTestCommutativeMulPTX(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
size_t count = 0;
for (int i=0; i<TESTVALS; i++) {
for (int j=0; j<TESTVALS; j++) {
fp_t x, y;
fp_cpy(x, testval[i]);
fp_cpy(y, testval[j]);
fp_mul_ptx(x, x, testval[j]); // x * y
fp_mul_ptx(y, y, testval[i]); // y * x
if (fp_neq(x, y)) {
pass = false;
printf("%d,%d: FAILED: inconsistent result\n", i, j);
fp_print("x = ", testval[i]);
fp_print("y = ", testval[j]);
fp_print("x*y = ", x);
fp_print("y*x = ", y);
}
++count;
}
}
printf("%ld tests\n", count);
PRINTPASS(pass);
}
//
/**
* @brief Test for the associative property of multiplication using PTX macros
*
* (x*y)*z == x*(y*z)
*
* @param testval
* @return void
*/
__global__ void FpTestAssociativeMulPTX(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
size_t count = 0;
for (int i=0; i<TESTVALS; i++) {
for (int j=0; j<TESTVALS; j++) {
for (int k=0; k<TESTVALS; k++) {
fp_t a, b, c;
fp_cpy(a, testval[i]); // x
fp_cpy(b, testval[j]); // y
fp_cpy(c, testval[i]); // x
fp_mul_ptx(a, a, testval[j]); // x * y
fp_mul_ptx(a, a, testval[k]); // (x * y) * z
fp_mul_ptx(b, b, testval[k]); // y * z
fp_mul_ptx(c, c, b); // x * (y * z)
if (fp_neq(a, c)) {
pass = false;
printf("%d,%d,%d: FAILED: inconsistent result\n", i, j, k);
fp_print("x = ", testval[i]);
fp_print("y = ", testval[j]);
fp_print("z = ", testval[k]);
fp_print("(x*y)*z = ", a);
fp_print("x*(y*z) = ", c);
}
++count;
}
}
}
printf("%ld tests\n", count);
PRINTPASS(pass);
}
/**
* @brief Multiplication test, using different values for different threads. using PTX macros
*
*
* @param testval
* @return void
*/
__global__ void FpTestMulPTX(testval_t *testval) {
printf("=== RUN %s\n", __func__);
bool pass = true;
unsigned tid = 0; tid += blockIdx.z;
tid *= gridDim.y; tid += blockIdx.y;
tid *= gridDim.x; tid += blockIdx.x;
tid *= blockDim.z; tid += threadIdx.z;
tid *= blockDim.y; tid += threadIdx.y;
tid *= blockDim.x; tid += threadIdx.x;
if (tid > 0xffffffff)
return;
uint64_t t[6] = { tid, 0, 0, 0, 0, 0 };
fp_t x, z;
fp_fromUint64(x, t); // x = tid
if (x[0] != tid) pass = false;
if (x[1] != 0) pass = false;
if (x[2] != 0) pass = false;
if (x[3] != 0) pass = false;
if (x[4] != 0) pass = false;
if (x[5] != 0) pass = false;
if (!pass) {
printf("%d: FAILED after fp_fromUint64\n", tid);
goto done;
}
fp_mul_ptx(z, x, x); // z = tid * tid
if (z[0] != tid*tid) pass = false;
if (z[1] != 0) pass = false;
if (z[2] != 0) pass = false;
if (z[3] != 0) pass = false;
if (z[4] != 0) pass = false;
if (z[5] != 0) pass = false;
if (!pass) {
printf("%d: FAILED after fp_mul\n", tid);
goto done;
}
done:
PRINTPASS(pass);
}
// vim: ts=4 et sw=4 si