X also benchmark when shifting by -ldflags=-T=...

For Josh.

src/testing/testing.go

@@ -442,7 +442,6 @@ func (c *common) Fail() {
 	defer c.mu.Unlock()
 	// c.done needs to be locked to synchronize checks to c.done in parent tests.
 	if c.done {
-		zzz()
 		panic("Fail in goroutine after " + c.name + " has completed")
 	}
 	c.failed = true

test/bench/go1/fannkuch-entryshifted

 #!/bin/bash -e
 # compile/run Fannkuch11 benchmark with fannkuch() entry point shifted by various N
 
-# shiftby n shiftfile
+# shiftbyprintln n shiftfile
 # makes fannkuch entrypoint to be shifted by ~ n*16 bytes
-shiftby() {
+shiftbyprintln() {
 	n=$1
 	out=$2
 	echo "package testing"		>$out
@@ -21,14 +21,14 @@ shiftby() {
 benchit() {
 	go=$1
 	name=$2
-	shiftfile=$3
+	#shiftfile=$3
 
 	for i in `seq 0 32`; do
 		echo "@$i"
-		shiftby $i $shiftfile
+		#shiftbyprintln $i $shiftfile
 		out=$name/`printf %04d $i`
 		mkdir -p $out
-		$go test -c -o $out/go1.test
+		$go test -c -ldflags=-T=`python -c "print '0x%x' % (0x401000 + $i*4096)"` -o $out/go1.test
 
 		$go tool objdump -s fannkuch $out/go1.test 2>/dev/null |head -2 | tail -1 |tee $out/entry.txt
 
@@ -36,7 +36,10 @@ benchit() {
 	done
 }
 
+#benchit go18 go18-ldflags
+#benchit go   go-4b0d74f8-ldflags
+benchit go   go-4b0d74f8+cl43491.3-ldflags
 
 #benchit go18 go18			../../../src/testing/zzz.go
-benchit go go-4b0d74f8			../../../../go/src/testing/zzz.go
+#benchit go go-4b0d74f8			../../../../go/src/testing/zzz.go
 #benchit go go-4b0d74f8+cl43491.3	../../../../go/src/testing/zzz.go

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0000/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2909148869 ns/op
+BenchmarkFannkuch11-4   	       1	2914510621 ns/op
+BenchmarkFannkuch11-4   	       1	2937335403 ns/op
+BenchmarkFannkuch11-4   	       1	2922693715 ns/op
+BenchmarkFannkuch11-4   	       1	2923568627 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0000/entry.txt

+  fannkuch_test.go:12	0x75f0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0001/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2916958607 ns/op
+BenchmarkFannkuch11-4   	       1	2901477673 ns/op
+BenchmarkFannkuch11-4   	       1	2906055891 ns/op
+BenchmarkFannkuch11-4   	       1	2914974773 ns/op
+BenchmarkFannkuch11-4   	       1	2911386672 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0001/entry.txt

+  fannkuch_test.go:12	0x7600a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0002/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2919031489 ns/op
+BenchmarkFannkuch11-4   	       1	2917290631 ns/op
+BenchmarkFannkuch11-4   	       1	2917117131 ns/op
+BenchmarkFannkuch11-4   	       1	2913297619 ns/op
+BenchmarkFannkuch11-4   	       1	2911308607 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0002/entry.txt

+  fannkuch_test.go:12	0x7610a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0003/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2912537226 ns/op
+BenchmarkFannkuch11-4   	       1	2898074944 ns/op
+BenchmarkFannkuch11-4   	       1	2910469672 ns/op
+BenchmarkFannkuch11-4   	       1	2901786962 ns/op
+BenchmarkFannkuch11-4   	       1	2911579278 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0003/entry.txt

+  fannkuch_test.go:12	0x7620a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0004/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2922102387 ns/op
+BenchmarkFannkuch11-4   	       1	2941175486 ns/op
+BenchmarkFannkuch11-4   	       1	2915645540 ns/op
+BenchmarkFannkuch11-4   	       1	2913960250 ns/op
+BenchmarkFannkuch11-4   	       1	2930840495 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0004/entry.txt

+  fannkuch_test.go:12	0x7630a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0005/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2914738787 ns/op
+BenchmarkFannkuch11-4   	       1	2914875763 ns/op
+BenchmarkFannkuch11-4   	       1	2911829365 ns/op
+BenchmarkFannkuch11-4   	       1	2898209155 ns/op
+BenchmarkFannkuch11-4   	       1	2912234858 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0005/entry.txt

+  fannkuch_test.go:12	0x7640a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0006/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2937177526 ns/op
+BenchmarkFannkuch11-4   	       1	2904745085 ns/op
+BenchmarkFannkuch11-4   	       1	2930208886 ns/op
+BenchmarkFannkuch11-4   	       1	2909304958 ns/op
+BenchmarkFannkuch11-4   	       1	2917248596 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0006/entry.txt

+  fannkuch_test.go:12	0x7650a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0007/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2914434136 ns/op
+BenchmarkFannkuch11-4   	       1	2943411938 ns/op
+BenchmarkFannkuch11-4   	       1	2939844697 ns/op
+BenchmarkFannkuch11-4   	       1	2935997246 ns/op
+BenchmarkFannkuch11-4   	       1	2914741521 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0007/entry.txt

+  fannkuch_test.go:12	0x7660a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0008/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2905547930 ns/op
+BenchmarkFannkuch11-4   	       1	2906264145 ns/op
+BenchmarkFannkuch11-4   	       1	2917637039 ns/op
+BenchmarkFannkuch11-4   	       1	2913687491 ns/op
+BenchmarkFannkuch11-4   	       1	2908644216 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0008/entry.txt

+  fannkuch_test.go:12	0x7670a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0009/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2933497172 ns/op
+BenchmarkFannkuch11-4   	       1	2931709111 ns/op
+BenchmarkFannkuch11-4   	       1	2932006178 ns/op
+BenchmarkFannkuch11-4   	       1	2908209184 ns/op
+BenchmarkFannkuch11-4   	       1	2924139559 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0009/entry.txt

+  fannkuch_test.go:12	0x7680a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0010/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2913686703 ns/op
+BenchmarkFannkuch11-4   	       1	2910185347 ns/op
+BenchmarkFannkuch11-4   	       1	2909862264 ns/op
+BenchmarkFannkuch11-4   	       1	2912035377 ns/op
+BenchmarkFannkuch11-4   	       1	2908651434 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0010/entry.txt

+  fannkuch_test.go:12	0x7690a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0011/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2907495230 ns/op
+BenchmarkFannkuch11-4   	       1	2908397020 ns/op
+BenchmarkFannkuch11-4   	       1	2930516297 ns/op
+BenchmarkFannkuch11-4   	       1	2911464233 ns/op
+BenchmarkFannkuch11-4   	       1	2910880272 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0011/entry.txt

+  fannkuch_test.go:12	0x76a0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0012/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2914440521 ns/op
+BenchmarkFannkuch11-4   	       1	2905837389 ns/op
+BenchmarkFannkuch11-4   	       1	2909053209 ns/op
+BenchmarkFannkuch11-4   	       1	2945249375 ns/op
+BenchmarkFannkuch11-4   	       1	2922992415 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0012/entry.txt

+  fannkuch_test.go:12	0x76b0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0013/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2919533161 ns/op
+BenchmarkFannkuch11-4   	       1	2901199041 ns/op
+BenchmarkFannkuch11-4   	       1	2920522032 ns/op
+BenchmarkFannkuch11-4   	       1	2924374385 ns/op
+BenchmarkFannkuch11-4   	       1	2933770488 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0013/entry.txt

+  fannkuch_test.go:12	0x76c0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0014/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2923082790 ns/op
+BenchmarkFannkuch11-4   	       1	2910767030 ns/op
+BenchmarkFannkuch11-4   	       1	2916176044 ns/op
+BenchmarkFannkuch11-4   	       1	2943518569 ns/op
+BenchmarkFannkuch11-4   	       1	2912316781 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0014/entry.txt

+  fannkuch_test.go:12	0x76d0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0015/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2922275183 ns/op
+BenchmarkFannkuch11-4   	       1	2918185474 ns/op
+BenchmarkFannkuch11-4   	       1	2910503357 ns/op
+BenchmarkFannkuch11-4   	       1	2898445030 ns/op
+BenchmarkFannkuch11-4   	       1	2933183740 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0015/entry.txt

+  fannkuch_test.go:12	0x76e0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0016/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2913707404 ns/op
+BenchmarkFannkuch11-4   	       1	2899788557 ns/op
+BenchmarkFannkuch11-4   	       1	2908977221 ns/op
+BenchmarkFannkuch11-4   	       1	2935126834 ns/op
+BenchmarkFannkuch11-4   	       1	2934082783 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0016/entry.txt

+  fannkuch_test.go:12	0x76f0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0017/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2912468720 ns/op
+BenchmarkFannkuch11-4   	       1	2917422038 ns/op
+BenchmarkFannkuch11-4   	       1	2926898134 ns/op
+BenchmarkFannkuch11-4   	       1	2934843671 ns/op
+BenchmarkFannkuch11-4   	       1	2901988238 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0017/entry.txt

+  fannkuch_test.go:12	0x7700a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0018/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2915188717 ns/op
+BenchmarkFannkuch11-4   	       1	2918457608 ns/op
+BenchmarkFannkuch11-4   	       1	2899965619 ns/op
+BenchmarkFannkuch11-4   	       1	2900600078 ns/op
+BenchmarkFannkuch11-4   	       1	2911963571 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0018/entry.txt

+  fannkuch_test.go:12	0x7710a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0019/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2897830230 ns/op
+BenchmarkFannkuch11-4   	       1	2935578116 ns/op
+BenchmarkFannkuch11-4   	       1	2930790491 ns/op
+BenchmarkFannkuch11-4   	       1	2911214140 ns/op
+BenchmarkFannkuch11-4   	       1	2912290405 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0019/entry.txt

+  fannkuch_test.go:12	0x7720a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0020/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2918642420 ns/op
+BenchmarkFannkuch11-4   	       1	2905691074 ns/op
+BenchmarkFannkuch11-4   	       1	2915023023 ns/op
+BenchmarkFannkuch11-4   	       1	2932642329 ns/op
+BenchmarkFannkuch11-4   	       1	2932182435 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0020/entry.txt

+  fannkuch_test.go:12	0x7730a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0021/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2938188828 ns/op
+BenchmarkFannkuch11-4   	       1	2917539238 ns/op
+BenchmarkFannkuch11-4   	       1	2911797102 ns/op
+BenchmarkFannkuch11-4   	       1	2911354039 ns/op
+BenchmarkFannkuch11-4   	       1	2920516845 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0021/entry.txt

+  fannkuch_test.go:12	0x7740a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0022/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2906065822 ns/op
+BenchmarkFannkuch11-4   	       1	2896492469 ns/op
+BenchmarkFannkuch11-4   	       1	2915756435 ns/op
+BenchmarkFannkuch11-4   	       1	2911984287 ns/op
+BenchmarkFannkuch11-4   	       1	2910690013 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0022/entry.txt

+  fannkuch_test.go:12	0x7750a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0023/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2908733427 ns/op
+BenchmarkFannkuch11-4   	       1	2910902581 ns/op
+BenchmarkFannkuch11-4   	       1	2923554852 ns/op
+BenchmarkFannkuch11-4   	       1	2913578383 ns/op
+BenchmarkFannkuch11-4   	       1	2910624010 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0023/entry.txt

+  fannkuch_test.go:12	0x7760a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0024/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2899495004 ns/op
+BenchmarkFannkuch11-4   	       1	2912516035 ns/op
+BenchmarkFannkuch11-4   	       1	2914765656 ns/op
+BenchmarkFannkuch11-4   	       1	2909799850 ns/op
+BenchmarkFannkuch11-4   	       1	2911692472 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0024/entry.txt

+  fannkuch_test.go:12	0x7770a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0025/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2912526210 ns/op
+BenchmarkFannkuch11-4   	       1	2920592206 ns/op
+BenchmarkFannkuch11-4   	       1	2912824973 ns/op
+BenchmarkFannkuch11-4   	       1	2917462171 ns/op
+BenchmarkFannkuch11-4   	       1	2912669146 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0025/entry.txt

+  fannkuch_test.go:12	0x7780a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0026/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2912057140 ns/op
+BenchmarkFannkuch11-4   	       1	2911263501 ns/op
+BenchmarkFannkuch11-4   	       1	2913332369 ns/op
+BenchmarkFannkuch11-4   	       1	2914385317 ns/op
+BenchmarkFannkuch11-4   	       1	2938839680 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0026/entry.txt

+  fannkuch_test.go:12	0x7790a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0027/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2920223410 ns/op
+BenchmarkFannkuch11-4   	       1	2931130294 ns/op
+BenchmarkFannkuch11-4   	       1	2918088029 ns/op
+BenchmarkFannkuch11-4   	       1	2900478242 ns/op
+BenchmarkFannkuch11-4   	       1	2909053460 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0027/entry.txt

+  fannkuch_test.go:12	0x77a0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0028/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2906641624 ns/op
+BenchmarkFannkuch11-4   	       1	2910771221 ns/op
+BenchmarkFannkuch11-4   	       1	2921157346 ns/op
+BenchmarkFannkuch11-4   	       1	2914351791 ns/op
+BenchmarkFannkuch11-4   	       1	2909169012 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0028/entry.txt

+  fannkuch_test.go:12	0x77b0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0029/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2907250928 ns/op
+BenchmarkFannkuch11-4   	       1	2940529839 ns/op
+BenchmarkFannkuch11-4   	       1	2935014555 ns/op
+BenchmarkFannkuch11-4   	       1	2915260669 ns/op
+BenchmarkFannkuch11-4   	       1	2898950682 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0029/entry.txt

+  fannkuch_test.go:12	0x77c0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0030/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2907190582 ns/op
+BenchmarkFannkuch11-4   	       1	2905840674 ns/op
+BenchmarkFannkuch11-4   	       1	2907437310 ns/op
+BenchmarkFannkuch11-4   	       1	2909102866 ns/op
+BenchmarkFannkuch11-4   	       1	2906848875 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0030/entry.txt

+  fannkuch_test.go:12	0x77d0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0031/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2909208180 ns/op
+BenchmarkFannkuch11-4   	       1	2915652664 ns/op
+BenchmarkFannkuch11-4   	       1	2909624804 ns/op
+BenchmarkFannkuch11-4   	       1	2912945444 ns/op
+BenchmarkFannkuch11-4   	       1	2913334129 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0031/entry.txt

+  fannkuch_test.go:12	0x77e0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0032/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2920761832 ns/op
+BenchmarkFannkuch11-4   	       1	2942615248 ns/op
+BenchmarkFannkuch11-4   	       1	2917581424 ns/op
+BenchmarkFannkuch11-4   	       1	2925027520 ns/op
+BenchmarkFannkuch11-4   	       1	2915549890 ns/op
+PASS

test/bench/go1/go-4b0d74f8+cl43491.3-ldflags/0032/entry.txt

+  fannkuch_test.go:12	0x77f0a0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0000/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2803902179 ns/op
+BenchmarkFannkuch11-4   	       1	2790928889 ns/op
+BenchmarkFannkuch11-4   	       1	2796324204 ns/op
+BenchmarkFannkuch11-4   	       1	2822309196 ns/op
+BenchmarkFannkuch11-4   	       1	2821120952 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0000/entry.txt

+  fannkuch_test.go:12	0x75fdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0001/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2830124285 ns/op
+BenchmarkFannkuch11-4   	       1	2790308363 ns/op
+BenchmarkFannkuch11-4   	       1	2825553058 ns/op
+BenchmarkFannkuch11-4   	       1	2787788851 ns/op
+BenchmarkFannkuch11-4   	       1	2788375167 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0001/entry.txt

+  fannkuch_test.go:12	0x760dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0002/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2810717361 ns/op
+BenchmarkFannkuch11-4   	       1	2781491427 ns/op
+BenchmarkFannkuch11-4   	       1	2822277960 ns/op
+BenchmarkFannkuch11-4   	       1	2790005396 ns/op
+BenchmarkFannkuch11-4   	       1	2778320659 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0002/entry.txt

+  fannkuch_test.go:12	0x761dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0003/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2794740179 ns/op
+BenchmarkFannkuch11-4   	       1	2789318556 ns/op
+BenchmarkFannkuch11-4   	       1	2791235193 ns/op
+BenchmarkFannkuch11-4   	       1	2781867406 ns/op
+BenchmarkFannkuch11-4   	       1	2824248255 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0003/entry.txt

+  fannkuch_test.go:12	0x762dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0004/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2779452867 ns/op
+BenchmarkFannkuch11-4   	       1	2796587500 ns/op
+BenchmarkFannkuch11-4   	       1	2791074457 ns/op
+BenchmarkFannkuch11-4   	       1	2785141704 ns/op
+BenchmarkFannkuch11-4   	       1	2787067204 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0004/entry.txt

+  fannkuch_test.go:12	0x763dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0005/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2790428462 ns/op
+BenchmarkFannkuch11-4   	       1	2793190038 ns/op
+BenchmarkFannkuch11-4   	       1	2780562575 ns/op
+BenchmarkFannkuch11-4   	       1	2793577348 ns/op
+BenchmarkFannkuch11-4   	       1	2791244515 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0005/entry.txt

+  fannkuch_test.go:12	0x764dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0006/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2786134126 ns/op
+BenchmarkFannkuch11-4   	       1	2783953136 ns/op
+BenchmarkFannkuch11-4   	       1	2793930059 ns/op
+BenchmarkFannkuch11-4   	       1	2789504478 ns/op
+BenchmarkFannkuch11-4   	       1	2789638599 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0006/entry.txt

+  fannkuch_test.go:12	0x765dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0007/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2790543575 ns/op
+BenchmarkFannkuch11-4   	       1	2791260780 ns/op
+BenchmarkFannkuch11-4   	       1	2786887021 ns/op
+BenchmarkFannkuch11-4   	       1	2793234904 ns/op
+BenchmarkFannkuch11-4   	       1	2814729288 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0007/entry.txt

+  fannkuch_test.go:12	0x766dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0008/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2785821717 ns/op
+BenchmarkFannkuch11-4   	       1	2785364420 ns/op
+BenchmarkFannkuch11-4   	       1	2784750468 ns/op
+BenchmarkFannkuch11-4   	       1	2786863092 ns/op
+BenchmarkFannkuch11-4   	       1	2823301198 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0008/entry.txt

+  fannkuch_test.go:12	0x767dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0009/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2797342357 ns/op
+BenchmarkFannkuch11-4   	       1	2794134563 ns/op
+BenchmarkFannkuch11-4   	       1	2809271053 ns/op
+BenchmarkFannkuch11-4   	       1	2821630200 ns/op
+BenchmarkFannkuch11-4   	       1	2788324179 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0009/entry.txt

+  fannkuch_test.go:12	0x768dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0010/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2774722503 ns/op
+BenchmarkFannkuch11-4   	       1	2783632996 ns/op
+BenchmarkFannkuch11-4   	       1	2801181132 ns/op
+BenchmarkFannkuch11-4   	       1	2785905975 ns/op
+BenchmarkFannkuch11-4   	       1	2776381493 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0010/entry.txt

+  fannkuch_test.go:12	0x769dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0011/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2800353095 ns/op
+BenchmarkFannkuch11-4   	       1	2788494182 ns/op
+BenchmarkFannkuch11-4   	       1	2788273579 ns/op
+BenchmarkFannkuch11-4   	       1	2794672646 ns/op
+BenchmarkFannkuch11-4   	       1	2778383904 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0011/entry.txt

+  fannkuch_test.go:12	0x76add0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0012/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2785913669 ns/op
+BenchmarkFannkuch11-4   	       1	2779420668 ns/op
+BenchmarkFannkuch11-4   	       1	2781833501 ns/op
+BenchmarkFannkuch11-4   	       1	2775013754 ns/op
+BenchmarkFannkuch11-4   	       1	2783378113 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0012/entry.txt

+  fannkuch_test.go:12	0x76bdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0013/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2841423989 ns/op
+BenchmarkFannkuch11-4   	       1	2799544572 ns/op
+BenchmarkFannkuch11-4   	       1	2791508122 ns/op
+BenchmarkFannkuch11-4   	       1	2786319732 ns/op
+BenchmarkFannkuch11-4   	       1	2789974769 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0013/entry.txt

+  fannkuch_test.go:12	0x76cdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0014/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2788726941 ns/op
+BenchmarkFannkuch11-4   	       1	2779053788 ns/op
+BenchmarkFannkuch11-4   	       1	2775815202 ns/op
+BenchmarkFannkuch11-4   	       1	2784698858 ns/op
+BenchmarkFannkuch11-4   	       1	2786195460 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0014/entry.txt

+  fannkuch_test.go:12	0x76ddd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0015/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2789823378 ns/op
+BenchmarkFannkuch11-4   	       1	2797212805 ns/op
+BenchmarkFannkuch11-4   	       1	2796463321 ns/op
+BenchmarkFannkuch11-4   	       1	2775155729 ns/op
+BenchmarkFannkuch11-4   	       1	2787454266 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0015/entry.txt

+  fannkuch_test.go:12	0x76edd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0016/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2784534857 ns/op
+BenchmarkFannkuch11-4   	       1	2786006726 ns/op
+BenchmarkFannkuch11-4   	       1	2784468260 ns/op
+BenchmarkFannkuch11-4   	       1	2774728511 ns/op
+BenchmarkFannkuch11-4   	       1	2785640538 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0016/entry.txt

+  fannkuch_test.go:12	0x76fdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0017/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2792863857 ns/op
+BenchmarkFannkuch11-4   	       1	2779069222 ns/op
+BenchmarkFannkuch11-4   	       1	2785796727 ns/op
+BenchmarkFannkuch11-4   	       1	2784769961 ns/op
+BenchmarkFannkuch11-4   	       1	2790320744 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0017/entry.txt

+  fannkuch_test.go:12	0x770dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0018/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2774693725 ns/op
+BenchmarkFannkuch11-4   	       1	2787651597 ns/op
+BenchmarkFannkuch11-4   	       1	2793912886 ns/op
+BenchmarkFannkuch11-4   	       1	2818284115 ns/op
+BenchmarkFannkuch11-4   	       1	2786101531 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0018/entry.txt

+  fannkuch_test.go:12	0x771dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0019/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2794919094 ns/op
+BenchmarkFannkuch11-4   	       1	2789628286 ns/op
+BenchmarkFannkuch11-4   	       1	2795856412 ns/op
+BenchmarkFannkuch11-4   	       1	2789588484 ns/op
+BenchmarkFannkuch11-4   	       1	2778918647 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0019/entry.txt

+  fannkuch_test.go:12	0x772dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0020/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2786901717 ns/op
+BenchmarkFannkuch11-4   	       1	2787192138 ns/op
+BenchmarkFannkuch11-4   	       1	2783101354 ns/op
+BenchmarkFannkuch11-4   	       1	2793776953 ns/op
+BenchmarkFannkuch11-4   	       1	2775336003 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0020/entry.txt

+  fannkuch_test.go:12	0x773dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0021/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2800968286 ns/op
+BenchmarkFannkuch11-4   	       1	2789868295 ns/op
+BenchmarkFannkuch11-4   	       1	2790577252 ns/op
+BenchmarkFannkuch11-4   	       1	2791529667 ns/op
+BenchmarkFannkuch11-4   	       1	2793675831 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0021/entry.txt

+  fannkuch_test.go:12	0x774dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0022/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2786637091 ns/op
+BenchmarkFannkuch11-4   	       1	2784835234 ns/op
+BenchmarkFannkuch11-4   	       1	2785038520 ns/op
+BenchmarkFannkuch11-4   	       1	2787901527 ns/op
+BenchmarkFannkuch11-4   	       1	2773955606 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0022/entry.txt

+  fannkuch_test.go:12	0x775dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0023/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2819827563 ns/op
+BenchmarkFannkuch11-4   	       1	2811095123 ns/op
+BenchmarkFannkuch11-4   	       1	2784387489 ns/op
+BenchmarkFannkuch11-4   	       1	2788034120 ns/op
+BenchmarkFannkuch11-4   	       1	2785421007 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0023/entry.txt

+  fannkuch_test.go:12	0x776dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0024/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2789609536 ns/op
+BenchmarkFannkuch11-4   	       1	2785572089 ns/op
+BenchmarkFannkuch11-4   	       1	2785183036 ns/op
+BenchmarkFannkuch11-4   	       1	2784371554 ns/op
+BenchmarkFannkuch11-4   	       1	2785888234 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0024/entry.txt

+  fannkuch_test.go:12	0x777dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0025/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2806107620 ns/op
+BenchmarkFannkuch11-4   	       1	2788146481 ns/op
+BenchmarkFannkuch11-4   	       1	2787547782 ns/op
+BenchmarkFannkuch11-4   	       1	2796153775 ns/op
+BenchmarkFannkuch11-4   	       1	2790124930 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0025/entry.txt

+  fannkuch_test.go:12	0x778dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0026/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2777832045 ns/op
+BenchmarkFannkuch11-4   	       1	2787669901 ns/op
+BenchmarkFannkuch11-4   	       1	2785688222 ns/op
+BenchmarkFannkuch11-4   	       1	2789106576 ns/op
+BenchmarkFannkuch11-4   	       1	2787224311 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0026/entry.txt

+  fannkuch_test.go:12	0x779dd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0027/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2780781897 ns/op
+BenchmarkFannkuch11-4   	       1	2777530023 ns/op
+BenchmarkFannkuch11-4   	       1	2791938047 ns/op
+BenchmarkFannkuch11-4   	       1	2797888259 ns/op
+BenchmarkFannkuch11-4   	       1	2800136712 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0027/entry.txt

+  fannkuch_test.go:12	0x77add0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0028/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2788724564 ns/op
+BenchmarkFannkuch11-4   	       1	2789363977 ns/op
+BenchmarkFannkuch11-4   	       1	2785051765 ns/op
+BenchmarkFannkuch11-4   	       1	2791907075 ns/op
+BenchmarkFannkuch11-4   	       1	2817875687 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0028/entry.txt

+  fannkuch_test.go:12	0x77bdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0029/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2792139847 ns/op
+BenchmarkFannkuch11-4   	       1	2789853272 ns/op
+BenchmarkFannkuch11-4   	       1	2792678589 ns/op
+BenchmarkFannkuch11-4   	       1	2792191991 ns/op
+BenchmarkFannkuch11-4   	       1	2800931614 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0029/entry.txt

+  fannkuch_test.go:12	0x77cdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0030/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2786477412 ns/op
+BenchmarkFannkuch11-4   	       1	2786531415 ns/op
+BenchmarkFannkuch11-4   	       1	2788189097 ns/op
+BenchmarkFannkuch11-4   	       1	2841883954 ns/op
+BenchmarkFannkuch11-4   	       1	2775393763 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0030/entry.txt

+  fannkuch_test.go:12	0x77ddd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0031/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2790337546 ns/op
+BenchmarkFannkuch11-4   	       1	2787677689 ns/op
+BenchmarkFannkuch11-4   	       1	2826386726 ns/op
+BenchmarkFannkuch11-4   	       1	2805368003 ns/op
+BenchmarkFannkuch11-4   	       1	2802388619 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0031/entry.txt

+  fannkuch_test.go:12	0x77edd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go-4b0d74f8-ldflags/0032/bench.txt

+goos: linux
+goarch: amd64
+BenchmarkFannkuch11-4   	       1	2804901831 ns/op
+BenchmarkFannkuch11-4   	       1	2829939292 ns/op
+BenchmarkFannkuch11-4   	       1	2795799433 ns/op
+BenchmarkFannkuch11-4   	       1	2796800735 ns/op
+BenchmarkFannkuch11-4   	       1	2796948869 ns/op
+PASS

test/bench/go1/go-4b0d74f8-ldflags/0032/entry.txt

+  fannkuch_test.go:12	0x77fdd0		64488b0c25f8ffffff		MOVQ FS:0xfffffff8, CX						

test/bench/go1/go18-ldflags/0000/bench.txt

+BenchmarkFannkuch11-4   	       1	2679756468 ns/op
+BenchmarkFannkuch11-4   	       1	2678413128 ns/op
+BenchmarkFannkuch11-4   	       1	2667778778 ns/op
+BenchmarkFannkuch11-4   	       1	2676145726 ns/op
+BenchmarkFannkuch11-4   	       1	2679000457 ns/op
+PASS

test/bench/go1/go18-ldflags/0000/entry.txt

+	fannkuch_test.go:12	0x75f860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0001/bench.txt

+BenchmarkFannkuch11-4   	       1	2676667399 ns/op
+BenchmarkFannkuch11-4   	       1	2679762541 ns/op
+BenchmarkFannkuch11-4   	       1	2683970016 ns/op
+BenchmarkFannkuch11-4   	       1	2677628187 ns/op
+BenchmarkFannkuch11-4   	       1	2691174220 ns/op
+PASS

test/bench/go1/go18-ldflags/0001/entry.txt

+	fannkuch_test.go:12	0x760860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0002/bench.txt

+BenchmarkFannkuch11-4   	       1	2678087685 ns/op
+BenchmarkFannkuch11-4   	       1	2680366359 ns/op
+BenchmarkFannkuch11-4   	       1	2676498122 ns/op
+BenchmarkFannkuch11-4   	       1	2675373273 ns/op
+BenchmarkFannkuch11-4   	       1	2675412868 ns/op
+PASS

test/bench/go1/go18-ldflags/0002/entry.txt

+	fannkuch_test.go:12	0x761860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0003/bench.txt

+BenchmarkFannkuch11-4   	       1	2677129950 ns/op
+BenchmarkFannkuch11-4   	       1	2676173369 ns/op
+BenchmarkFannkuch11-4   	       1	2679378249 ns/op
+BenchmarkFannkuch11-4   	       1	2680102195 ns/op
+BenchmarkFannkuch11-4   	       1	2681032077 ns/op
+PASS

test/bench/go1/go18-ldflags/0003/entry.txt

+	fannkuch_test.go:12	0x762860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0004/bench.txt

+BenchmarkFannkuch11-4   	       1	2680312122 ns/op
+BenchmarkFannkuch11-4   	       1	2679904688 ns/op
+BenchmarkFannkuch11-4   	       1	2683001944 ns/op
+BenchmarkFannkuch11-4   	       1	2692149274 ns/op
+BenchmarkFannkuch11-4   	       1	2687588681 ns/op
+PASS

test/bench/go1/go18-ldflags/0004/entry.txt

+	fannkuch_test.go:12	0x763860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0005/bench.txt

+BenchmarkFannkuch11-4   	       1	2679135132 ns/op
+BenchmarkFannkuch11-4   	       1	2678666358 ns/op
+BenchmarkFannkuch11-4   	       1	2680353207 ns/op
+BenchmarkFannkuch11-4   	       1	2676697593 ns/op
+BenchmarkFannkuch11-4   	       1	2698506212 ns/op
+PASS

test/bench/go1/go18-ldflags/0005/entry.txt

+	fannkuch_test.go:12	0x764860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0006/bench.txt

+BenchmarkFannkuch11-4   	       1	2675212557 ns/op
+BenchmarkFannkuch11-4   	       1	2679486885 ns/op
+BenchmarkFannkuch11-4   	       1	2675945579 ns/op
+BenchmarkFannkuch11-4   	       1	2679342524 ns/op
+BenchmarkFannkuch11-4   	       1	2673876281 ns/op
+PASS

test/bench/go1/go18-ldflags/0006/entry.txt

+	fannkuch_test.go:12	0x765860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0007/bench.txt

+BenchmarkFannkuch11-4   	       1	2678788768 ns/op
+BenchmarkFannkuch11-4   	       1	2685296888 ns/op
+BenchmarkFannkuch11-4   	       1	2680360276 ns/op
+BenchmarkFannkuch11-4   	       1	2681731230 ns/op
+BenchmarkFannkuch11-4   	       1	2680948020 ns/op
+PASS

test/bench/go1/go18-ldflags/0007/entry.txt

+	fannkuch_test.go:12	0x766860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0008/bench.txt

+BenchmarkFannkuch11-4   	       1	2678282427 ns/op
+BenchmarkFannkuch11-4   	       1	2686782232 ns/op
+BenchmarkFannkuch11-4   	       1	2679702385 ns/op
+BenchmarkFannkuch11-4   	       1	2681703684 ns/op
+BenchmarkFannkuch11-4   	       1	2679544374 ns/op
+PASS

test/bench/go1/go18-ldflags/0008/entry.txt

+	fannkuch_test.go:12	0x767860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0009/bench.txt

+BenchmarkFannkuch11-4   	       1	2689724364 ns/op
+BenchmarkFannkuch11-4   	       1	2690342512 ns/op
+BenchmarkFannkuch11-4   	       1	2689528781 ns/op
+BenchmarkFannkuch11-4   	       1	2683720148 ns/op
+BenchmarkFannkuch11-4   	       1	2680333031 ns/op
+PASS

test/bench/go1/go18-ldflags/0009/entry.txt

+	fannkuch_test.go:12	0x768860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0010/bench.txt

+BenchmarkFannkuch11-4   	       1	2679150842 ns/op
+BenchmarkFannkuch11-4   	       1	2680391288 ns/op
+BenchmarkFannkuch11-4   	       1	2683500405 ns/op
+BenchmarkFannkuch11-4   	       1	2683060718 ns/op
+BenchmarkFannkuch11-4   	       1	2706528001 ns/op
+PASS

test/bench/go1/go18-ldflags/0010/entry.txt

+	fannkuch_test.go:12	0x769860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0011/bench.txt

+BenchmarkFannkuch11-4   	       1	2683333757 ns/op
+BenchmarkFannkuch11-4   	       1	2684325349 ns/op
+BenchmarkFannkuch11-4   	       1	2680256518 ns/op
+BenchmarkFannkuch11-4   	       1	2680191786 ns/op
+BenchmarkFannkuch11-4   	       1	2677966305 ns/op
+PASS

test/bench/go1/go18-ldflags/0011/entry.txt

+	fannkuch_test.go:12	0x76a860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0012/bench.txt

+BenchmarkFannkuch11-4   	       1	2682164368 ns/op
+BenchmarkFannkuch11-4   	       1	2681538113 ns/op
+BenchmarkFannkuch11-4   	       1	2685185852 ns/op
+BenchmarkFannkuch11-4   	       1	2685291569 ns/op
+BenchmarkFannkuch11-4   	       1	2679170498 ns/op
+PASS

test/bench/go1/go18-ldflags/0012/entry.txt

+	fannkuch_test.go:12	0x76b860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0013/bench.txt

+BenchmarkFannkuch11-4   	       1	2669542752 ns/op
+BenchmarkFannkuch11-4   	       1	2673096915 ns/op
+BenchmarkFannkuch11-4   	       1	2676829729 ns/op
+BenchmarkFannkuch11-4   	       1	2679678024 ns/op
+BenchmarkFannkuch11-4   	       1	2677819422 ns/op
+PASS

test/bench/go1/go18-ldflags/0013/entry.txt

+	fannkuch_test.go:12	0x76c860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0014/bench.txt

+BenchmarkFannkuch11-4   	       1	2677535779 ns/op
+BenchmarkFannkuch11-4   	       1	2695066437 ns/op
+BenchmarkFannkuch11-4   	       1	2674550210 ns/op
+BenchmarkFannkuch11-4   	       1	2678312226 ns/op
+BenchmarkFannkuch11-4   	       1	2677941581 ns/op
+PASS

test/bench/go1/go18-ldflags/0014/entry.txt

+	fannkuch_test.go:12	0x76d860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0015/bench.txt

+BenchmarkFannkuch11-4   	       1	2678831298 ns/op
+BenchmarkFannkuch11-4   	       1	2682203348 ns/op
+BenchmarkFannkuch11-4   	       1	2680441497 ns/op
+BenchmarkFannkuch11-4   	       1	2676997845 ns/op
+BenchmarkFannkuch11-4   	       1	2668471323 ns/op
+PASS

test/bench/go1/go18-ldflags/0015/entry.txt

+	fannkuch_test.go:12	0x76e860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0016/bench.txt

+BenchmarkFannkuch11-4   	       1	2686613158 ns/op
+BenchmarkFannkuch11-4   	       1	2700632984 ns/op
+BenchmarkFannkuch11-4   	       1	2717824797 ns/op
+BenchmarkFannkuch11-4   	       1	2704439958 ns/op
+BenchmarkFannkuch11-4   	       1	2672715590 ns/op
+PASS

test/bench/go1/go18-ldflags/0016/entry.txt

+	fannkuch_test.go:12	0x76f860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0017/bench.txt

+BenchmarkFannkuch11-4   	       1	2680509288 ns/op
+BenchmarkFannkuch11-4   	       1	2683305515 ns/op
+BenchmarkFannkuch11-4   	       1	2683399200 ns/op
+BenchmarkFannkuch11-4   	       1	2678732867 ns/op
+BenchmarkFannkuch11-4   	       1	2680340966 ns/op
+PASS

test/bench/go1/go18-ldflags/0017/entry.txt

+	fannkuch_test.go:12	0x770860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0018/bench.txt

+BenchmarkFannkuch11-4   	       1	2680995482 ns/op
+BenchmarkFannkuch11-4   	       1	2684015710 ns/op
+BenchmarkFannkuch11-4   	       1	2684791715 ns/op
+BenchmarkFannkuch11-4   	       1	2679179117 ns/op
+BenchmarkFannkuch11-4   	       1	2682062404 ns/op
+PASS

test/bench/go1/go18-ldflags/0018/entry.txt

+	fannkuch_test.go:12	0x771860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0019/bench.txt

+BenchmarkFannkuch11-4   	       1	2681705933 ns/op
+BenchmarkFannkuch11-4   	       1	2681119671 ns/op
+BenchmarkFannkuch11-4   	       1	2678423049 ns/op
+BenchmarkFannkuch11-4   	       1	2678879175 ns/op
+BenchmarkFannkuch11-4   	       1	2707766140 ns/op
+PASS

test/bench/go1/go18-ldflags/0019/entry.txt

+	fannkuch_test.go:12	0x772860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0020/bench.txt

+BenchmarkFannkuch11-4   	       1	2684722331 ns/op
+BenchmarkFannkuch11-4   	       1	2706074855 ns/op
+BenchmarkFannkuch11-4   	       1	2704036458 ns/op
+BenchmarkFannkuch11-4   	       1	2686983431 ns/op
+BenchmarkFannkuch11-4   	       1	2679937781 ns/op
+PASS

test/bench/go1/go18-ldflags/0020/entry.txt

+	fannkuch_test.go:12	0x773860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0021/bench.txt

+BenchmarkFannkuch11-4   	       1	2677538169 ns/op
+BenchmarkFannkuch11-4   	       1	2694486723 ns/op
+BenchmarkFannkuch11-4   	       1	2695640484 ns/op
+BenchmarkFannkuch11-4   	       1	2687328266 ns/op
+BenchmarkFannkuch11-4   	       1	2680697831 ns/op
+PASS

test/bench/go1/go18-ldflags/0021/entry.txt

+	fannkuch_test.go:12	0x774860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0022/bench.txt

+BenchmarkFannkuch11-4   	       1	2680287254 ns/op
+BenchmarkFannkuch11-4   	       1	2697198452 ns/op
+BenchmarkFannkuch11-4   	       1	2702610242 ns/op
+BenchmarkFannkuch11-4   	       1	2672210103 ns/op
+BenchmarkFannkuch11-4   	       1	2679118250 ns/op
+PASS

test/bench/go1/go18-ldflags/0022/entry.txt

+	fannkuch_test.go:12	0x775860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0023/bench.txt

+BenchmarkFannkuch11-4   	       1	2807813994 ns/op
+BenchmarkFannkuch11-4   	       1	2744113794 ns/op
+BenchmarkFannkuch11-4   	       1	2685690948 ns/op
+BenchmarkFannkuch11-4   	       1	2666737442 ns/op
+BenchmarkFannkuch11-4   	       1	2675999446 ns/op
+PASS

test/bench/go1/go18-ldflags/0023/entry.txt

+	fannkuch_test.go:12	0x776860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0024/bench.txt

+BenchmarkFannkuch11-4   	       1	2679296624 ns/op
+BenchmarkFannkuch11-4   	       1	2683646448 ns/op
+BenchmarkFannkuch11-4   	       1	2680305519 ns/op
+BenchmarkFannkuch11-4   	       1	2676538366 ns/op
+BenchmarkFannkuch11-4   	       1	2665561376 ns/op
+PASS

test/bench/go1/go18-ldflags/0024/entry.txt

+	fannkuch_test.go:12	0x777860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0025/bench.txt

+BenchmarkFannkuch11-4   	       1	2677954715 ns/op
+BenchmarkFannkuch11-4   	       1	2698456531 ns/op
+BenchmarkFannkuch11-4   	       1	2667646069 ns/op
+BenchmarkFannkuch11-4   	       1	2676089434 ns/op
+BenchmarkFannkuch11-4   	       1	2675101261 ns/op
+PASS

test/bench/go1/go18-ldflags/0025/entry.txt

+	fannkuch_test.go:12	0x778860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0026/bench.txt

+BenchmarkFannkuch11-4   	       1	2684190966 ns/op
+BenchmarkFannkuch11-4   	       1	2676822338 ns/op
+BenchmarkFannkuch11-4   	       1	2680550508 ns/op
+BenchmarkFannkuch11-4   	       1	2680561325 ns/op
+BenchmarkFannkuch11-4   	       1	2677486109 ns/op
+PASS

test/bench/go1/go18-ldflags/0026/entry.txt

+	fannkuch_test.go:12	0x779860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0027/bench.txt

+BenchmarkFannkuch11-4   	       1	2685078185 ns/op
+BenchmarkFannkuch11-4   	       1	2678423646 ns/op
+BenchmarkFannkuch11-4   	       1	2674964248 ns/op
+BenchmarkFannkuch11-4   	       1	2677392436 ns/op
+BenchmarkFannkuch11-4   	       1	2678008475 ns/op
+PASS

test/bench/go1/go18-ldflags/0027/entry.txt

+	fannkuch_test.go:12	0x77a860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0028/bench.txt

+BenchmarkFannkuch11-4   	       1	2685757386 ns/op
+BenchmarkFannkuch11-4   	       1	2680860639 ns/op
+BenchmarkFannkuch11-4   	       1	2680587323 ns/op
+BenchmarkFannkuch11-4   	       1	2693894793 ns/op
+BenchmarkFannkuch11-4   	       1	2710011244 ns/op
+PASS

test/bench/go1/go18-ldflags/0028/entry.txt

+	fannkuch_test.go:12	0x77b860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0029/bench.txt

+BenchmarkFannkuch11-4   	       1	2685563510 ns/op
+BenchmarkFannkuch11-4   	       1	2682746872 ns/op
+BenchmarkFannkuch11-4   	       1	2684933883 ns/op
+BenchmarkFannkuch11-4   	       1	2683669908 ns/op
+BenchmarkFannkuch11-4   	       1	2680741322 ns/op
+PASS

test/bench/go1/go18-ldflags/0029/entry.txt

+	fannkuch_test.go:12	0x77c860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0030/bench.txt

+BenchmarkFannkuch11-4   	       1	2677304732 ns/op
+BenchmarkFannkuch11-4   	       1	2681075757 ns/op
+BenchmarkFannkuch11-4   	       1	2678022243 ns/op
+BenchmarkFannkuch11-4   	       1	2678881001 ns/op
+BenchmarkFannkuch11-4   	       1	2682427335 ns/op
+PASS

test/bench/go1/go18-ldflags/0030/entry.txt

+	fannkuch_test.go:12	0x77d860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0031/bench.txt

+BenchmarkFannkuch11-4   	       1	2683129907 ns/op
+BenchmarkFannkuch11-4   	       1	2676559841 ns/op
+BenchmarkFannkuch11-4   	       1	2676136461 ns/op
+BenchmarkFannkuch11-4   	       1	2675915346 ns/op
+BenchmarkFannkuch11-4   	       1	2678257130 ns/op
+PASS

test/bench/go1/go18-ldflags/0031/entry.txt

+	fannkuch_test.go:12	0x77e860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/go18-ldflags/0032/bench.txt

+BenchmarkFannkuch11-4   	       1	2680595799 ns/op
+BenchmarkFannkuch11-4   	       1	2684214668 ns/op
+BenchmarkFannkuch11-4   	       1	2680037454 ns/op
+BenchmarkFannkuch11-4   	       1	2682098712 ns/op
+BenchmarkFannkuch11-4   	       1	2682730025 ns/op
+PASS

test/bench/go1/go18-ldflags/0032/entry.txt

+	fannkuch_test.go:12	0x77f860	64488b0c25f8ffffff		FS MOVQ FS:0xfffffff8, CX					

test/bench/go1/plotit

@@ -87,12 +87,20 @@ def main():
     btip         = loadbench("go-4b0d74f8")
     btip_cl43491 = loadbench("go-4b0d74f8+cl43491.3")
 
+    b18_ld          = loadbench("go18-ldflags")
+    btip_ld         = loadbench("go-4b0d74f8-ldflags")
+    btip_cl43491_ld = loadbench("go-4b0d74f8+cl43491.3-ldflags")
+
     plt.figure(figsize=(12, 8))
 
     plotbench(b18, color='green', label='go18')
     plotbench(btip, color='blue', label='gotip (4b0d74f8)')
     plotbench(btip_cl43491, color='red', label='gotip (4b0d74f8) + CL 43491.3')
 
+    plotbench(b18_ld, color='green', fmt='--', label='go18 ldflags')
+    plotbench(btip_ld, color='blue', fmt='--', label='gotip (4b0d74f8) ldflags')
+    plotbench(btip_cl43491_ld, color='red', fmt='--', label='gotip (4b0d74f8) + CL 43491.3 ldflags')
+
     #axes = plt.gca()
     #axes.get_xaxis().set_major_formatter(ticker.FormatStrFormatter("0x%x"))
 
@@ -102,7 +110,8 @@ def main():
     plt.ylabel('time (s)')
     plt.xlabel('entry shifted by (bytes)')   # XXX or better raw address ?
     #plt.show()
-    plt.savefig('fannkuch.png')
+    #plt.savefig('fannkuch.png')
+    plt.savefig('fannkuch+ldflags.png')
 
 
 if __name__ == '__main__':