Revert "Pick worksize 256 with Cypress if none is specified." This reverts commit 482322a4b7add8458bee946ffb247a9a587fc25f. Worksize 256 was only helpful on cypress with ultra-low memory speeds with old SDKs and the new kernels require higher memory clocks, having the opposite net effect.
diff --git a/ocl.c b/ocl.c
index fe45782..042fea2 100644
--- a/ocl.c
+++ b/ocl.c
@@ -468,12 +468,8 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
clState->wsize = cgpu->work_size;
else if (strstr(name, "Tahiti"))
clState->wsize = 64;
- else {
- if (strstr(name, "Cypress"))
- clState->wsize = 256;
- else
- clState->wsize = (clState->max_work_size <= 256 ? clState->max_work_size : 256) / clState->vwidth;
- }
+ else
+ clState->wsize = (clState->max_work_size <= 256 ? clState->max_work_size : 256) / clState->vwidth;
cgpu->work_size = clState->wsize;
#ifdef USE_SCRYPT