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concrete/backends/concrete-cuda/implementation/src/wop_bootstrap.cu

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#include "wop_bootstrap.cuh"
#include <cmath>
/*
* Runs standard checks to validate the inputs
*/
void checks_wop_pbs(int glwe_dimension, int polynomial_size,
int level_count_bsk, int crt_decomposition_size,
uint32_t *number_of_bits_to_extract_array) {
int total_bits_to_extract = 0;
for (int i = 0; i < crt_decomposition_size; i++) {
total_bits_to_extract += number_of_bits_to_extract_array[i];
}
assert(("Error (GPU WOP PBS): polynomial_size should be one of "
"256, 512, 1024, 2048, 4096, 8192",
polynomial_size == 256 || polynomial_size == 512 ||
polynomial_size == 1024 || polynomial_size == 2048 ||
polynomial_size == 4096 || polynomial_size == 8192));
// The number of inputs should be lower than the number of streaming
// multiprocessors divided by (4 * (k + 1) * l) (the factor 4 being related
// to the occupancy of 50%). The only supported value for k is 1, so
// k + 1 = 2 for now.
int number_of_sm = 0;
cudaDeviceGetAttribute(&number_of_sm, cudaDevAttrMultiProcessorCount, 0);
assert(("Error (GPU WOP PBS): the number of input LWEs must be lower or "
"equal to the "
"number of streaming multiprocessors on the device divided by 4 * (k "
"+ 1) * "
"level_count_bsk",
crt_decomposition_size <=
number_of_sm / 4. / (glwe_dimension + 1) / level_count_bsk));
assert(("Error (GPU WOP PBS): the number of inputs x the number of extracted "
"bits should be "
"larger than log2 of the polynomial size",
total_bits_to_extract >= log2(polynomial_size)));
}
void checks_fast_circuit_bootstrap_vertical_packing(int polynomial_size) {
assert(("Error (GPU circuit bootstrap): polynomial_size should be one of "
"256, 512, 1024, 2048, 4096, 8192",
polynomial_size == 256 || polynomial_size == 512 ||
polynomial_size == 1024 || polynomial_size == 2048 ||
polynomial_size == 4096 || polynomial_size == 8192));
}
void checks_circuit_bootstrap_vertical_packing(int glwe_dimension,
int polynomial_size,
int number_of_inputs,
int level_count_bsk) {
// The number of inputs should be lower than the number of streaming
// multiprocessors divided by (4 * (k + 1) * l) (the factor 4 being related
// to the occupancy of 50%). The only supported value for k is 1, so
// k + 1 = 2 for now.
int number_of_sm = 0;
cudaDeviceGetAttribute(&number_of_sm, cudaDevAttrMultiProcessorCount, 0);
assert(("Error (GPU extract bits): the number of input LWEs must be lower or "
"equal to the "
"number of streaming multiprocessors on the device divided by 4 * (k "
"+ 1) "
"level_count_bsk",
number_of_inputs <=
number_of_sm / 4. / (glwe_dimension + 1) / level_count_bsk));
checks_fast_circuit_bootstrap_vertical_packing(polynomial_size);
}
/*
* This scratch function allocates the necessary amount of data on the GPU for
* the circuit bootstrap and vertical packing on 32 bits inputs, into
* `cbs_vp_buffer`. It also fills the value of delta_log to be used in the
* circuit bootstrap.
*/
void scratch_cuda_circuit_bootstrap_vertical_packing_32(
void *v_stream, uint32_t gpu_index, int8_t **cbs_vp_buffer,
uint32_t *cbs_delta_log, uint32_t glwe_dimension, uint32_t lwe_dimension,
uint32_t polynomial_size, uint32_t level_bsk, uint32_t level_count_cbs,
uint32_t number_of_inputs, uint32_t tau, uint32_t max_shared_memory,
bool allocate_gpu_memory) {
checks_fast_circuit_bootstrap_vertical_packing(polynomial_size);
switch (polynomial_size) {
case 256:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<256>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 512:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<512>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 1024:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<1024>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 2048:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<2048>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 4096:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<4096>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 8192:
scratch_circuit_bootstrap_vertical_packing<uint32_t, int32_t, Degree<8192>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
default:
break;
}
}
/*
* This scratch function allocates the necessary amount of data on the GPU for
* the circuit bootstrap and vertical packing on 64 bits inputs, into
* `cbs_vp_buffer`. It also fills the value of delta_log to be used in the
* circuit bootstrap.
*/
void scratch_cuda_circuit_bootstrap_vertical_packing_64(
void *v_stream, uint32_t gpu_index, int8_t **cbs_vp_buffer,
uint32_t *cbs_delta_log, uint32_t glwe_dimension, uint32_t lwe_dimension,
uint32_t polynomial_size, uint32_t level_bsk, uint32_t level_count_cbs,
uint32_t number_of_inputs, uint32_t tau, uint32_t max_shared_memory,
bool allocate_gpu_memory) {
checks_fast_circuit_bootstrap_vertical_packing(polynomial_size);
switch (polynomial_size) {
case 256:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<256>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 512:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<512>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 1024:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<1024>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 2048:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<2048>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 4096:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<4096>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
case 8192:
scratch_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<8192>>(
v_stream, gpu_index, cbs_vp_buffer, cbs_delta_log, glwe_dimension,
lwe_dimension, polynomial_size, level_bsk, level_count_cbs,
number_of_inputs, tau, max_shared_memory, allocate_gpu_memory);
break;
default:
break;
}
}
/*
* This scratch function allocates the necessary amount of data on the GPU for
* the wop PBS on 32 bits inputs, into `wop_pbs_buffer`. It also fills the value
* of delta_log and cbs_delta_log to be used in the bit extract and circuit
* bootstrap.
*/
void scratch_cuda_wop_pbs_32(void *v_stream, uint32_t gpu_index,
int8_t **wop_pbs_buffer, uint32_t *delta_log_array,
uint32_t *cbs_delta_log, uint32_t glwe_dimension,
uint32_t lwe_dimension, uint32_t polynomial_size,
uint32_t level_count_cbs, uint32_t level_count_bsk,
uint32_t *number_of_bits_to_extract_array,
uint32_t crt_decomposition_size,
uint32_t max_shared_memory,
bool allocate_gpu_memory) {
checks_wop_pbs(glwe_dimension, polynomial_size, level_count_bsk,
crt_decomposition_size, number_of_bits_to_extract_array);
switch (polynomial_size) {
case 256:
scratch_wop_pbs<uint32_t, int32_t, Degree<256>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 512:
scratch_wop_pbs<uint32_t, int32_t, Degree<512>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 1024:
scratch_wop_pbs<uint32_t, int32_t, Degree<1024>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 2048:
scratch_wop_pbs<uint32_t, int32_t, Degree<2048>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 4096:
scratch_wop_pbs<uint32_t, int32_t, Degree<4096>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 8192:
scratch_wop_pbs<uint32_t, int32_t, Degree<8192>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
default:
break;
}
}
/*
* This scratch function allocates the necessary amount of data on the GPU for
* the wop PBS on 64 bits inputs, into `wop_pbs_buffer`. It also fills the value
* of delta_log and cbs_delta_log to be used in the bit extract and circuit
* bootstrap.
*/
void scratch_cuda_wop_pbs_64(void *v_stream, uint32_t gpu_index,
int8_t **wop_pbs_buffer, uint32_t *delta_log_array,
uint32_t *cbs_delta_log, uint32_t glwe_dimension,
uint32_t lwe_dimension, uint32_t polynomial_size,
uint32_t level_count_cbs, uint32_t level_count_bsk,
uint32_t *number_of_bits_to_extract_array,
uint32_t crt_decomposition_size,
uint32_t max_shared_memory,
bool allocate_gpu_memory) {
checks_wop_pbs(glwe_dimension, polynomial_size, level_count_bsk,
crt_decomposition_size, number_of_bits_to_extract_array);
switch (polynomial_size) {
case 256:
scratch_wop_pbs<uint64_t, int64_t, Degree<256>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 512:
scratch_wop_pbs<uint64_t, int64_t, Degree<512>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 1024:
scratch_wop_pbs<uint64_t, int64_t, Degree<1024>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 2048:
scratch_wop_pbs<uint64_t, int64_t, Degree<2048>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 4096:
scratch_wop_pbs<uint64_t, int64_t, Degree<4096>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
case 8192:
scratch_wop_pbs<uint64_t, int64_t, Degree<8192>>(
v_stream, gpu_index, wop_pbs_buffer, delta_log_array, cbs_delta_log,
glwe_dimension, lwe_dimension, polynomial_size, level_count_cbs,
level_count_bsk, number_of_bits_to_extract_array,
crt_decomposition_size, max_shared_memory, allocate_gpu_memory);
break;
default:
break;
}
}
/*
* Entry point for cuda circuit bootstrap + vertical packing for batches of
* input 64 bit LWE ciphertexts.
* - `v_stream` is a void pointer to the Cuda stream to be used in the kernel
* launch
* - `gpu_index` is the index of the GPU to be used in the kernel launch
* - 'lwe_array_out' list of output lwe ciphertexts
* - 'lwe_array_in' list of input lwe_ciphertexts
* - 'fourier_bsk' bootstrapping key in fourier domain, expected half size
* compressed complex key.
* - 'cbs_fpksk' list of private functional packing keyswitch keys
* - 'lut_vector' list of test vectors
* - 'cbs_vp_buffer' a pre-allocated array to store intermediate results
* - 'polynomial_size' size of the test polynomial, supported sizes:
* {256, 512, 1024, 2048, 4096, 8192}
* - 'glwe_dimension' supported dimensions: {1}
* - 'lwe_dimension' dimension of input LWE ciphertexts
* - 'level_count_bsk' decomposition level for bootstrapping
* - 'base_log_bsk' base log parameter for bootstrapping
* - 'level_count_pksk' decomposition level for fp-keyswitch
* - 'base_log_pksk' base log parameter for fp-keyswitch
* - 'level_count_cbs' level of circuit bootstrap
* - 'base_log_cbs' base log parameter for circuit bootstrap
* - 'number_of_inputs' number of input LWE ciphertexts
* - 'lut_number' number of LUTs given as input
* - 'max_shared_memory' maximum shared memory amount to be used in
* bootstrapping kernel
*
*/
void cuda_circuit_bootstrap_vertical_packing_64(
void *v_stream, uint32_t gpu_index, void *lwe_array_out, void *lwe_array_in,
void *fourier_bsk, void *cbs_fpksk, void *lut_vector, int8_t *cbs_vp_buffer,
uint32_t cbs_delta_log, uint32_t polynomial_size, uint32_t glwe_dimension,
uint32_t lwe_dimension, uint32_t level_count_bsk, uint32_t base_log_bsk,
uint32_t level_count_pksk, uint32_t base_log_pksk, uint32_t level_count_cbs,
uint32_t base_log_cbs, uint32_t number_of_inputs, uint32_t lut_number,
uint32_t max_shared_memory) {
checks_circuit_bootstrap_vertical_packing(glwe_dimension, polynomial_size,
number_of_inputs, level_count_bsk);
switch (polynomial_size) {
case 256:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<256>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
case 512:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<512>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
case 1024:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<1024>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
case 2048:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<2048>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
case 4096:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<4096>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
case 8192:
host_circuit_bootstrap_vertical_packing<uint64_t, int64_t, Degree<8192>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)cbs_fpksk, cbs_vp_buffer,
cbs_delta_log, glwe_dimension, lwe_dimension, polynomial_size,
base_log_bsk, level_count_bsk, base_log_pksk, level_count_pksk,
base_log_cbs, level_count_cbs, number_of_inputs, lut_number,
max_shared_memory);
break;
default:
break;
}
}
/*
* Entry point for entire without padding programmable bootstrap on 64 bit input
* LWE ciphertexts.
* - `v_stream` is a void pointer to the Cuda stream to be used in the kernel
* launch
* - `gpu_index` is the index of the GPU to be used in the kernel launch
* - 'lwe_array_out' list of output lwe ciphertexts
* - 'lwe_array_in' list of input lwe_ciphertexts
* - 'lut_vector' list of test vectors
* - 'fourier_bsk' bootstrapping key in fourier domain, expected half size
* compressed complex key.
* - 'ksk' keyswitch key to use inside extract bits block
* - 'cbs_fpksk' list of fp-keyswitch keys
* - 'wop_pbs_buffer' a pre-allocated array to store intermediate results
* - 'glwe_dimension' supported dimensions: {1}
* - 'lwe_dimension' dimension of input lwe ciphertexts
* - 'polynomial_size' size of the test polynomial, supported sizes:
* {256, 512, 1024, 2048, 4096, 8192}
* - 'base_log_bsk' base log parameter for bootstrapping
* - 'level_count_bsk' decomposition level for bootstrapping
* - 'base_log_ksk' base log parameter for keyswitch
* - 'level_count_ksk' decomposition level for keyswitch
* - 'base_log_pksk' base log parameter for fp-keyswitch
* - 'level_count_pksk' decomposition level for fp-keyswitch
* - 'base_log_cbs' base log parameter for circuit bootstrap
* - 'level_count_cbs' level of circuit bootstrap
* - 'number_of_bits_of_message_including_padding' number of bits to extract
* from each input lwe ciphertext including padding bit
* - 'number_of_bits_to_extract' number of bits to extract
* from each input lwe ciphertext without padding bit
* - 'crt_decomposition_size' number of input lwe ciphertexts
* - 'max_shared_memory' maximum shared memory amount to be used in
* bootstrapping kernel
*
*/
void cuda_wop_pbs_64(void *v_stream, uint32_t gpu_index, void *lwe_array_out,
void *lwe_array_in, void *lut_vector, void *fourier_bsk,
void *ksk, void *cbs_fpksk, int8_t *wop_pbs_buffer,
uint32_t cbs_delta_log, uint32_t glwe_dimension,
uint32_t lwe_dimension, uint32_t polynomial_size,
uint32_t base_log_bsk, uint32_t level_count_bsk,
uint32_t base_log_ksk, uint32_t level_count_ksk,
uint32_t base_log_pksk, uint32_t level_count_pksk,
uint32_t base_log_cbs, uint32_t level_count_cbs,
uint32_t *number_of_bits_to_extract_array,
uint32_t *delta_log_array, uint32_t crt_decomposition_size,
uint32_t max_shared_memory) {
checks_wop_pbs(glwe_dimension, polynomial_size, level_count_bsk,
crt_decomposition_size, number_of_bits_to_extract_array);
switch (polynomial_size) {
case 256:
host_wop_pbs<uint64_t, int64_t, Degree<256>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
case 512:
host_wop_pbs<uint64_t, int64_t, Degree<512>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
case 1024:
host_wop_pbs<uint64_t, int64_t, Degree<1024>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
case 2048:
host_wop_pbs<uint64_t, int64_t, Degree<2048>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
case 4096:
host_wop_pbs<uint64_t, int64_t, Degree<4096>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
case 8192:
host_wop_pbs<uint64_t, int64_t, Degree<8192>>(
v_stream, gpu_index, (uint64_t *)lwe_array_out,
(uint64_t *)lwe_array_in, (uint64_t *)lut_vector,
(double2 *)fourier_bsk, (uint64_t *)ksk, (uint64_t *)cbs_fpksk,
wop_pbs_buffer, cbs_delta_log, glwe_dimension, lwe_dimension,
polynomial_size, base_log_bsk, level_count_bsk, base_log_ksk,
level_count_ksk, base_log_pksk, level_count_pksk, base_log_cbs,
level_count_cbs, number_of_bits_to_extract_array, delta_log_array,
crt_decomposition_size, max_shared_memory);
break;
default:
break;
}
}
/*
* This cleanup function frees the data for the wop PBS on GPU in wop_pbs_buffer
* for 32 or 64 bits inputs.
*/
void cleanup_cuda_wop_pbs(void *v_stream, uint32_t gpu_index,
int8_t **wop_pbs_buffer) {
auto stream = static_cast<cudaStream_t *>(v_stream);
// Free memory
cuda_drop_async(*wop_pbs_buffer, stream, gpu_index);
}
/*
* This cleanup function frees the data for the circuit bootstrap and vertical
* packing on GPU in cbs_vp_buffer for 32 or 64 bits inputs.
*/
void cleanup_cuda_circuit_bootstrap_vertical_packing(void *v_stream,
uint32_t gpu_index,
int8_t **cbs_vp_buffer) {
auto stream = static_cast<cudaStream_t *>(v_stream);
// Free memory
cuda_drop_async(*cbs_vp_buffer, stream, gpu_index);
}