1 files changed, 0 insertions, 142 deletions
diff --git a/regressions/ck_ring/benchmark/latency.c b/regressions/ck_ring/benchmark/latency.c
deleted file mode 100644
index 657be4dbc0e6..000000000000
--- a/regressions/ck_ring/benchmark/latency.c
+++ /dev/null
@@ -1,142 +0,0 @@
-#include <ck_ring.h>
-#include <inttypes.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "../../common.h"
-
-#ifndef ITERATIONS
-#define ITERATIONS (128000)
-#endif
-
-struct entry {
-	int tid;
-	int value;
-};
-
-int
-main(int argc, char *argv[])
-{
-	int i, r, size;
-	uint64_t s, e, e_a, d_a;
-	struct entry entry = {0, 0};
-	ck_ring_buffer_t *buf;
-	ck_ring_t ring;
-
-	if (argc != 2) {
-		ck_error("Usage: latency <size>\n");
-	}
-
-	size = atoi(argv[1]);
-	if (size <= 4 || (size & (size - 1))) {
-		ck_error("ERROR: Size must be a power of 2 greater than 4.\n");
-	}
-
-	buf = malloc(sizeof(ck_ring_buffer_t) * size);
-	if (buf == NULL) {
-		ck_error("ERROR: Failed to allocate buffer\n");
-	}
-
-	ck_ring_init(&ring, size);
-
-	e_a = d_a = s = e = 0;
-	for (r = 0; r < ITERATIONS; r++) {
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_enqueue_spsc(&ring, buf, &entry);
-			ck_ring_enqueue_spsc(&ring, buf, &entry);
-			ck_ring_enqueue_spsc(&ring, buf, &entry);
-			ck_ring_enqueue_spsc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		e_a += (e - s) / 4;
-
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_dequeue_spsc(&ring, buf, &entry);
-			ck_ring_dequeue_spsc(&ring, buf, &entry);
-			ck_ring_dequeue_spsc(&ring, buf, &entry);
-			ck_ring_dequeue_spsc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		d_a += (e - s) / 4;
-	}
-
-	printf("spsc %10d %16" PRIu64 " %16" PRIu64 "\n", size, e_a / ITERATIONS, d_a / ITERATIONS);
-
-	e_a = d_a = s = e = 0;
-	for (r = 0; r < ITERATIONS; r++) {
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_enqueue_spmc(&ring, buf, &entry);
-			ck_ring_enqueue_spmc(&ring, buf, &entry);
-			ck_ring_enqueue_spmc(&ring, buf, &entry);
-			ck_ring_enqueue_spmc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		e_a += (e - s) / 4;
-
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_dequeue_spmc(&ring, buf, &entry);
-			ck_ring_dequeue_spmc(&ring, buf, &entry);
-			ck_ring_dequeue_spmc(&ring, buf, &entry);
-			ck_ring_dequeue_spmc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		d_a += (e - s) / 4;
-	}
-
-	printf("spmc %10d %16" PRIu64 " %16" PRIu64 "\n", size, e_a / ITERATIONS, d_a / ITERATIONS);
-
-	ck_ring_init(&ring, size);
-	e_a = d_a = s = e = 0;
-	for (r = 0; r < ITERATIONS; r++) {
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_enqueue_mpsc(&ring, buf, &entry);
-			ck_ring_enqueue_mpsc(&ring, buf, &entry);
-			ck_ring_enqueue_mpsc(&ring, buf, &entry);
-			ck_ring_enqueue_mpsc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		e_a += (e - s) / 4;
-
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_dequeue_mpsc(&ring, buf, &entry);
-			ck_ring_dequeue_mpsc(&ring, buf, &entry);
-			ck_ring_dequeue_mpsc(&ring, buf, &entry);
-			ck_ring_dequeue_mpsc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		d_a += (e - s) / 4;
-	}
-	printf("mpsc %10d %16" PRIu64 " %16" PRIu64 "\n", size, e_a / ITERATIONS, d_a / ITERATIONS);
-	ck_ring_init(&ring, size);
-	e_a = d_a = s = e = 0;
-	for (r = 0; r < ITERATIONS; r++) {
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_enqueue_mpmc(&ring, buf, &entry);
-			ck_ring_enqueue_mpmc(&ring, buf, &entry);
-			ck_ring_enqueue_mpmc(&ring, buf, &entry);
-			ck_ring_enqueue_mpmc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		e_a += (e - s) / 4;
-
-		for (i = 0; i < size / 4; i += 4) {
-			s = rdtsc();
-			ck_ring_dequeue_mpmc(&ring, buf, &entry);
-			ck_ring_dequeue_mpmc(&ring, buf, &entry);
-			ck_ring_dequeue_mpmc(&ring, buf, &entry);
-			ck_ring_dequeue_mpmc(&ring, buf, &entry);
-			e = rdtsc();
-		}
-		d_a += (e - s) / 4;
-	}
-	printf("mpmc %10d %16" PRIu64 " %16" PRIu64 "\n", size, e_a / ITERATIONS, d_a / ITERATIONS);
-	return (0);
-}