New buffers performance tuning option added.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12456 110e8d01-0319-4d1e-a829-52ad28d1bb01

1 files changed, 10 insertions, 10 deletions

diff --git a/os/hal/src/hal_buffers.c b/os/hal/src/hal_buffers.c
index f7b2c9f4a..1ca880f1a 100644
--- a/os/hal/src/hal_buffers.c
+++ b/os/hal/src/hal_buffers.c
@@ -388,12 +388,12 @@ size_t ibqReadTimeout(input_buffers_queue_t *ibqp, uint8_t *bp,
 

     /* Smaller chunks in order to not make the critical zone too long,

        this impacts throughput however.*/

-    if (size > 64U) {

+    if (size > (size_t)BUFFERS_CHUNKS_SIZE) {

       /* Giving the compiler a chance to optimize for a fixed size move.*/

-      memcpy(bp, ibqp->ptr, 64U);

-      bp        += 64U;

-      ibqp->ptr += 64U;

-      r         += 64U;

+      memcpy(bp, ibqp->ptr, BUFFERS_CHUNKS_SIZE);

+      bp        += (size_t)BUFFERS_CHUNKS_SIZE;

+      ibqp->ptr += (size_t)BUFFERS_CHUNKS_SIZE;

+      r         += (size_t)BUFFERS_CHUNKS_SIZE;

     }

     else {

       memcpy(bp, ibqp->ptr, size);

@@ -751,12 +751,12 @@ size_t obqWriteTimeout(output_buffers_queue_t *obqp, const uint8_t *bp,
 

     /* Smaller chunks in order to not make the critical zone too long,

        this impacts throughput however.*/

-    if (size > 64U) {

+    if (size > (size_t)BUFFERS_CHUNKS_SIZE) {

       /* Giving the compiler a chance to optimize for a fixed size move.*/

-      memcpy(obqp->ptr, bp, 64U);

-      bp        += 64U;

-      obqp->ptr += 64U;

-      w         += 64U;

+      memcpy(obqp->ptr, bp, (size_t)BUFFERS_CHUNKS_SIZE);

+      bp        += (size_t)BUFFERS_CHUNKS_SIZE;

+      obqp->ptr += (size_t)BUFFERS_CHUNKS_SIZE;

+      w         += (size_t)BUFFERS_CHUNKS_SIZE;

     }

     else {

       memcpy(obqp->ptr, bp, size);