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[CRYPTO] tcrypt: Move sg_init_table out of timing loops

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This patch moves the sg_init_table out of the timing loops for hash
algorithms so that it doesn't impact on the speed test results.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2007-10-27 00:51:21 -07:00 committed by David S. Miller
parent ceaa79c434
commit a5a613a429
1 changed files with 14 additions and 6 deletions
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20
crypto/tcrypt.c
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@ -572,9 +572,11 @@ static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
int bcount;
int ret;
sg_init_table(sg, 1);
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
sg_init_one(sg, p, blen);
sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
return ret;
@ -597,13 +599,15 @@ static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
if (plen == blen)
return test_hash_jiffies_digest(desc, p, blen, out, sec);
sg_init_table(sg, 1);
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
ret = crypto_hash_init(desc);
if (ret)
return ret;
for (pcount = 0; pcount < blen; pcount += plen) {
sg_init_one(sg, p + pcount, plen);
sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
return ret;
@ -628,12 +632,14 @@ static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
int i;
int ret;
sg_init_table(sg, 1);
local_bh_disable();
local_irq_disable();
/* Warm-up run. */
for (i = 0; i < 4; i++) {
sg_init_one(sg, p, blen);
sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
goto out;
@ -645,7 +651,7 @@ static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
start = get_cycles();
sg_init_one(sg, p, blen);
sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
goto out;
@ -679,6 +685,8 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
if (plen == blen)
return test_hash_cycles_digest(desc, p, blen, out);
sg_init_table(sg, 1);
local_bh_disable();
local_irq_disable();
@ -688,7 +696,7 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
if (ret)
goto out;
for (pcount = 0; pcount < blen; pcount += plen) {
sg_init_one(sg, p + pcount, plen);
sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
goto out;
@ -708,7 +716,7 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
if (ret)
goto out;
for (pcount = 0; pcount < blen; pcount += plen) {
sg_init_one(sg, p + pcount, plen);
sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
goto out;