From bd21f0cf0add090337a7fbbac11175ce0c09ce17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Tue, 14 Nov 2023 05:00:05 +0100
Subject: Limit coverage to only use half of all threads by default.

Running the tests with one threads consumes almost no memory (RAM), but
the more threads the more memory is used. Running on all threads
regularly caused depletion of memory, and the invocation of the OOM
killer.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 16551e59..26375191 100644
--- a/Makefile
+++ b/Makefile
@@ -102,7 +102,7 @@ install: all calp-release
 
 unit-test-deps: calp $(GO_UNIT_TESTS) $(GO_FILES) $(TEST_FILES)
 
-THREADS = $(shell ./cpucount)
+THREADS = $(shell echo $$(( $(shell ./cpucount) / 2 )))
 
 # TODO (current-processor-count)
 $(COV_FILE): cpucount unit-test-deps
-- 
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