From d3e2ec203a5cf550320caa8023ac3dd103b0be7d Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Mon, 13 Oct 2014 00:42:37 -0400
Subject: new kenlm

---
 klm/util/parallel_read.hh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 klm/util/parallel_read.hh

(limited to 'klm/util/parallel_read.hh')

diff --git a/klm/util/parallel_read.hh b/klm/util/parallel_read.hh
new file mode 100644
index 00000000..1e96e790
--- /dev/null
+++ b/klm/util/parallel_read.hh
@@ -0,0 +1,16 @@
+#ifndef UTIL_PARALLEL_READ__
+#define UTIL_PARALLEL_READ__
+
+/* Read pieces of a file in parallel.  This has a very specific use case:
+ * reading files from Lustre is CPU bound so multiple threads actually
+ * increases throughput.  Speed matters when an LM takes a terabyte.
+ */
+
+#include <cstddef>
+#include <stdint.h>
+
+namespace util {
+void ParallelRead(int fd, void *to, std::size_t amount, uint64_t offset);
+} // namespace util
+
+#endif // UTIL_PARALLEL_READ__
-- 
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