From 84d5923b3049f431cc3d3917cc2e5088203c0db2 Mon Sep 17 00:00:00 2001
From: John Owens <jdowens@google.com>
Date: Wed, 9 Oct 2024 11:11:19 -0700
Subject: [PATCH] printing raw timestamps

---
 timing-mre.html | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/timing-mre.html b/timing-mre.html
index c933eed..aeedca1 100644
--- a/timing-mre.html
+++ b/timing-mre.html
@@ -129,6 +129,11 @@
           const resultBuffer = this.#resultBuffer;
           await resultBuffer.mapAsync(GPUMapMode.READ);
           const times = new BigInt64Array(resultBuffer.getMappedRange());
+          console.log(
+            "Returned timestamps in result buffer:",
+            Number(times[1]),
+            Number(times[0])
+          );
           const duration = Number(times[1] - times[0]);
           resultBuffer.unmap();
           this.#resultBuffers.push(resultBuffer);
@@ -148,7 +153,7 @@
       }
 
       const workgroupSize = 64;
-      const memsrcSize = 2 ** 20;
+      const memsrcSize = 2 ** 24;
       const timingHelper = new TimingHelper(device);
 
       const itemsPerWorkgroup = memsrcSize / workgroupSize;