amir/filehasher
1
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Project reordering and mpmc code

Browse Source
This commit is contained in:
amir
2026-05-04 13:39:49 +01:00
parent 73aa4808f2
commit 759fdfda1e
8 changed files with 1043 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
platform.c
View File

@@ -1,5 +1,5 @@
#pragma once // ensure that a given header file is included only once in a
// single compilation unit
#pragma once
#include "arena.h"
#include "base.h"
#include "lf_mpmc.h"
@@ -1296,10 +1296,10 @@ static BUILD_READ_RETURN_VALUE ioring_build_read(ThreadIoContext *thread_ctx,
}
static void ioring_process_completions(ThreadIoContext *thread_ctx) {
uint32_t waited = 0;
uint32_t target = MIN(thread_ctx->num_submissions, MAX_WAIT_COUNT);
uint32_t cqe_count = 0;
uint32_t wait_count = MIN(thread_ctx->num_submissions, MAX_WAIT_COUNT);
while (waited < target) {
while (cqe_count < wait_count) {
// ---- Drain all available CQEs (non-blocking) ----
while (1) {
@@ -1307,7 +1307,7 @@ static void ioring_process_completions(ThreadIoContext *thread_ctx) {
HRESULT hr = PopIoRingCompletion(thread_ctx->ring, &win_cqe);
if (hr == S_FALSE) {
if (hr != S_OK) {
// No more CQEs available right now
break;
}
@@ -1347,12 +1347,11 @@ static void ioring_process_completions(ThreadIoContext *thread_ctx) {
file->reads_completed++;
thread_ctx->num_submissions--;
// Count only "real" completions toward wait budget
waited++;
cqe_count++;
}
// ---- If we already waited enough, exit ----
if (waited >= target) {
if (cqe_count >= wait_count) {
break;
}
@@ -1575,18 +1574,16 @@ static int ioring_submit(ThreadIoContext *thread_ctx, uint32_t *submitted) {
}
static void ioring_process_completions(ThreadIoContext *thread_ctx) {
IoUring *impl = (IoUring *)thread_ctx->ring;
struct io_uring_cqe *cqes[NUM_BUFFERS_PER_THREAD];
unsigned count =
io_uring_peek_batch_cqe(&impl->ring, cqes, NUM_BUFFERS_PER_THREAD);
unsigned cqe_count = io_uring_peek_batch_cqe(&((IoUring *)thread_ctx->ring)->ring,
cqes, NUM_BUFFERS_PER_THREAD);
if (count == 0) {
if (cqe_count == 0) {
return;
}
for (unsigned i = 0; i < count; i++) {
for (unsigned i = 0; i < cqe_count; i++) {
struct io_uring_cqe *cqe = cqes[i];
int res = cqe->res;
@@ -1613,7 +1610,7 @@ static void ioring_process_completions(ThreadIoContext *thread_ctx) {
}
// Mark CQE as seen, equivalent to io_uring_cqe_seen() but marks multiple CQEs
io_uring_cq_advance(&impl->ring, count);
io_uring_cq_advance(&((IoUring *)thread_ctx->ring)->ring, cqe_count);
}
FileHandle ioring_open_file(FileEntry *fe) {