From 0f8c6b90f7c4e43beaa83ce2e694980952a79b9f Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sun, 2 Dec 2018 15:09:24 +0000
Subject: New buffers performance tuning option added.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12456 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
os/hal/src/hal_buffers.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
(limited to 'os/hal/src')
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);
--
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