Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,457
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     194,036
Calibration 2     192,514
Calibration 3     192,252
ssj_ops@calibrated=192,383
100% 99.5% 192,383 191,457
90% 90.5% 173,144 174,142
80% 79.6% 153,906 153,169
70% 69.8% 134,668 134,196
60% 60.0% 115,430 115,345
50% 49.9% 96,191 96,014
40% 40.1% 76,953 77,177
30% 30.1% 57,715 57,822
20% 20.2% 38,477 38,840
10% 10.0% 19,238 19,158
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 14,118,218 1,494
Payment 14,118,212
Order Status 1,411,819
Delivery 1,411,822
Stock Level 1,411,823
Customer Report 14,118,218
Calibration 2 New Order 14,001,289 1,494
Payment 14,001,281
Order Status 1,400,128
Delivery 1,400,129
Stock Level 1,400,129
Customer Report 14,001,280
Calibration 3 New Order 13,983,836 1,494
Payment 13,983,841
Order Status 1,398,382
Delivery 1,398,383
Stock Level 1,398,383
Customer Report 13,983,842
100% 99.5% New Order 13,924,289 1,494
Payment 13,924,290
Order Status 1,392,429
Delivery 1,392,429
Stock Level 1,392,428
Customer Report 13,924,293
90% 90.5% New Order 12,666,233 1,494
Payment 12,666,229
Order Status 1,266,623
Delivery 1,266,623
Stock Level 1,266,622
Customer Report 12,666,230
80% 79.6% New Order 11,139,811 1,494
Payment 11,139,811
Order Status 1,113,982
Delivery 1,113,983
Stock Level 1,113,980
Customer Report 11,139,811
70% 69.8% New Order 9,759,886 1,494
Payment 9,759,886
Order Status 975,987
Delivery 975,988
Stock Level 975,989
Customer Report 9,759,884
60% 60.0% New Order 8,389,757 1,494
Payment 8,389,759
Order Status 838,975
Delivery 838,976
Stock Level 838,977
Customer Report 8,389,759
50% 49.9% New Order 6,983,137 1,494
Payment 6,983,135
Order Status 698,313
Delivery 698,313
Stock Level 698,314
Customer Report 6,983,139
40% 40.1% New Order 5,613,135 1,494
Payment 5,613,139
Order Status 561,315
Delivery 561,313
Stock Level 561,313
Customer Report 5,613,142
30% 30.1% New Order 4,205,301 1,494
Payment 4,205,299
Order Status 420,530
Delivery 420,531
Stock Level 420,530
Customer Report 4,205,304
20% 20.2% New Order 2,824,875 1,494
Payment 2,824,877
Order Status 282,488
Delivery 282,487
Stock Level 282,488
Customer Report 2,824,879
10% 10.0% New Order 1,393,434 1,494
Payment 1,393,435
Order Status 139,343
Delivery 139,344
Stock Level 139,344
Customer Report 1,393,434
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0