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Add PMU+PERF benchmarking code (#68)
* add benchmarks using PMU cycle counter Signed-off-by: Matthias J. Kannwischer <[email protected]> * add benchmarking script Signed-off-by: Matthias J. Kannwischer <[email protected]> * fix warnings on MacOS Signed-off-by: Matthias J. Kannwischer <[email protected]> * add PERF cycle counting as well Signed-off-by: Matthias J. Kannwischer <[email protected]> * format Signed-off-by: Matthias J. Kannwischer <[email protected]> * only print output for benchmarks Signed-off-by: Matthias J. Kannwischer <[email protected]> --------- Signed-off-by: Matthias J. Kannwischer <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| // SPDX-License-Identifier: Apache-2.0 | ||
| #include <stddef.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <inttypes.h> | ||
| #include "kem.h" | ||
| #include "hal.h" | ||
| #include "randombytes.h" | ||
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| #define NWARMUP 50 | ||
| #define NITERERATIONS 300 | ||
| #define NTESTS 200 | ||
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| static int cmp_uint64_t(const void *a, const void *b) | ||
| { | ||
| return (int)((*((const uint64_t *)a)) - (*((const uint64_t *)b))); | ||
| } | ||
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| static int bench(void) | ||
| { | ||
| uint8_t pk[CRYPTO_PUBLICKEYBYTES]; | ||
| uint8_t sk[CRYPTO_SECRETKEYBYTES]; | ||
| uint8_t ct[CRYPTO_CIPHERTEXTBYTES]; | ||
| uint8_t key_a[CRYPTO_BYTES]; | ||
| uint8_t key_b[CRYPTO_BYTES]; | ||
| unsigned char kg_rand[2 * CRYPTO_BYTES], enc_rand[CRYPTO_BYTES]; | ||
| uint64_t cycles_kg[NTESTS], cycles_enc[NTESTS], cycles_dec[NTESTS]; | ||
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| unsigned int i, j; | ||
| uint64_t t0, t1; | ||
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| for (i = 0; i < NTESTS; i++) | ||
| { | ||
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| randombytes(kg_rand, 2 * CRYPTO_BYTES); | ||
| randombytes(enc_rand, CRYPTO_BYTES); | ||
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| // Key-pair generation | ||
| for (j = 0; j < NWARMUP; j++) | ||
| { | ||
| crypto_kem_keypair_derand(pk, sk, kg_rand); | ||
| } | ||
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| t0 = get_cyclecounter(); | ||
| for (j = 0; j < NITERERATIONS; j++) | ||
| { | ||
| crypto_kem_keypair_derand(pk, sk, kg_rand); | ||
| } | ||
| t1 = get_cyclecounter(); | ||
| cycles_kg[i] = t1 - t0; | ||
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| // Encapsulation | ||
| for (j = 0; j < NWARMUP; j++) | ||
| { | ||
| crypto_kem_enc_derand(ct, key_a, pk, enc_rand); | ||
| } | ||
| t0 = get_cyclecounter(); | ||
| for (j = 0; j < NITERERATIONS; j++) | ||
| { | ||
| crypto_kem_enc_derand(ct, key_a, pk, enc_rand); | ||
| } | ||
| t1 = get_cyclecounter(); | ||
| cycles_enc[i] = t1 - t0; | ||
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| // Decapsulation | ||
| for (j = 0; j < NWARMUP; j++) | ||
| { | ||
| crypto_kem_dec(key_b, ct, sk); | ||
| } | ||
| t0 = get_cyclecounter(); | ||
| for (j = 0; j < NITERERATIONS; j++) | ||
| { | ||
| crypto_kem_dec(key_b, ct, sk); | ||
| } | ||
| t1 = get_cyclecounter(); | ||
| cycles_dec[i] = t1 - t0; | ||
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| if (memcmp(key_a, key_b, CRYPTO_BYTES)) | ||
| { | ||
| printf("ERROR keys\n"); | ||
| return 1; | ||
| } | ||
| } | ||
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| qsort(cycles_kg, NTESTS, sizeof(uint64_t), cmp_uint64_t); | ||
| qsort(cycles_enc, NTESTS, sizeof(uint64_t), cmp_uint64_t); | ||
| qsort(cycles_dec, NTESTS, sizeof(uint64_t), cmp_uint64_t); | ||
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| printf("keypair cycles=%"PRIu64"\n", cycles_kg[NTESTS >> 1]/NITERERATIONS); | ||
| printf("encaps cycles=%"PRIu64"\n", cycles_enc[NTESTS >> 1]/NITERERATIONS); | ||
| printf("decaps cycles=%"PRIu64"\n", cycles_dec[NTESTS >> 1]/NITERERATIONS); | ||
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| return 0; | ||
| } | ||
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| int main(void) | ||
| { | ||
| enable_cyclecounter(); | ||
| bench(); | ||
| disable_cyclecounter(); | ||
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| printf("CRYPTO_SECRETKEYBYTES: %d\n", CRYPTO_SECRETKEYBYTES); | ||
| printf("CRYPTO_PUBLICKEYBYTES: %d\n", CRYPTO_PUBLICKEYBYTES); | ||
| printf("CRYPTO_CIPHERTEXTBYTES: %d\n", CRYPTO_CIPHERTEXTBYTES); | ||
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| return 0; | ||
| } |
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