Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,485
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     193,294
Calibration 2     191,521
Calibration 3     191,323
ssj_ops@calibrated=191,422
100% 100.0% 191,422 191,485
90% 89.2% 172,280 170,801
80% 80.0% 153,138 153,194
70% 70.4% 133,995 134,793
60% 60.1% 114,853 115,013
50% 50.0% 95,711 95,664
40% 40.6% 76,569 77,754
30% 30.1% 57,427 57,556
20% 20.0% 38,284 38,251
10% 9.9% 19,142 18,966
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,061,198 1,494
Payment 14,061,197
Order Status 1,406,120
Delivery 1,406,119
Stock Level 1,406,121
Customer Report 14,061,200
Calibration 2 New Order 13,929,434 1,494
Payment 13,929,434
Order Status 1,392,945
Delivery 1,392,944
Stock Level 1,392,943
Customer Report 13,929,434
Calibration 3 New Order 13,915,954 1,494
Payment 13,915,957
Order Status 1,391,596
Delivery 1,391,596
Stock Level 1,391,596
Customer Report 13,915,957
100% 100.0% New Order 13,927,492 1,494
Payment 13,927,494
Order Status 1,392,748
Delivery 1,392,749
Stock Level 1,392,750
Customer Report 13,927,491
90% 89.2% New Order 12,422,448 1,494
Payment 12,422,448
Order Status 1,242,244
Delivery 1,242,244
Stock Level 1,242,245
Customer Report 12,422,450
80% 80.0% New Order 11,141,753 1,494
Payment 11,141,753
Order Status 1,114,175
Delivery 1,114,176
Stock Level 1,114,176
Customer Report 11,141,751
70% 70.4% New Order 9,803,267 1,494
Payment 9,803,263
Order Status 980,328
Delivery 980,326
Stock Level 980,326
Customer Report 9,803,269
60% 60.1% New Order 8,364,671 1,494
Payment 8,364,671
Order Status 836,466
Delivery 836,467
Stock Level 836,468
Customer Report 8,364,671
50% 50.0% New Order 6,957,987 1,494
Payment 6,957,988
Order Status 695,799
Delivery 695,798
Stock Level 695,800
Customer Report 6,957,983
40% 40.6% New Order 5,655,112 1,494
Payment 5,655,109
Order Status 565,512
Delivery 565,511
Stock Level 565,509
Customer Report 5,655,111
30% 30.1% New Order 4,185,923 1,494
Payment 4,185,920
Order Status 418,592
Delivery 418,592
Stock Level 418,592
Customer Report 4,185,922
20% 20.0% New Order 2,782,049 1,494
Payment 2,782,050
Order Status 278,204
Delivery 278,205
Stock Level 278,204
Customer Report 2,782,042
10% 9.9% New Order 1,379,398 1,494
Payment 1,379,394
Order Status 137,939
Delivery 137,939
Stock Level 137,939
Customer Report 1,379,391
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0