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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-03 21:57:20 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-03 21:57:20 +1000 |
| commit | 5d8d096fc0db68e7f62e9ae0e24f65694e09ed41 (patch) | |
| tree | 8490031103388a07c9dd49527e3be663a41da3c2 | |
| parent | 81b4ef545ca4888f954f47e4b23a1f9d55f576f0 (diff) | |
| download | cf-fsi-5d8d096fc0db68e7f62e9ae0e24f65694e09ed41.tar.gz cf-fsi-5d8d096fc0db68e7f62e9ae0e24f65694e09ed41.zip | |
Use 6 for echo/send delay
seems to be the best value for performance
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | cf-fsi-test.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/cf-fsi-test.c b/cf-fsi-test.c index d27074e..65c240c 100644 --- a/cf-fsi-test.c +++ b/cf-fsi-test.c @@ -659,7 +659,9 @@ int main(int argc, char *argv[]) dump_stuff(); printf("old smode: %08x\n", val); -#define ECHO_SEND_DELAY 2 + /* 6 seems to be the "sweet spot" for performance */ +#define ECHO_SEND_DELAY 6 + /* Change it to 2,2 */ val = FSI_SMODE_WSC | FSI_SMODE_ECRC | fsi_smode_echodly(ECHO_SEND_DELAY - 1) |
