Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,582
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     197,048
Calibration 2     196,263
Calibration 3     195,578
ssj_ops@calibrated=195,920
100% 99.8% 195,920 195,582
90% 89.5% 176,328 175,328
80% 80.0% 156,736 156,714
70% 69.8% 137,144 136,813
60% 59.5% 117,552 116,548
50% 50.2% 97,960 98,260
40% 40.0% 78,368 78,290
30% 30.4% 58,776 59,585
20% 20.1% 39,184 39,464
10% 9.9% 19,592 19,408
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 14,334,980 1,494
Payment 14,334,977
Order Status 1,433,498
Delivery 1,433,498
Stock Level 1,433,499
Customer Report 14,334,975
Calibration 2 New Order 14,274,070 1,494
Payment 14,274,066
Order Status 1,427,407
Delivery 1,427,406
Stock Level 1,427,407
Customer Report 14,274,065
Calibration 3 New Order 14,225,076 1,494
Payment 14,225,080
Order Status 1,422,508
Delivery 1,422,508
Stock Level 1,422,506
Customer Report 14,225,079
100% 99.8% New Order 14,225,501 1,494
Payment 14,225,500
Order Status 1,422,549
Delivery 1,422,551
Stock Level 1,422,550
Customer Report 14,225,499
90% 89.5% New Order 12,751,312 1,494
Payment 12,751,311
Order Status 1,275,132
Delivery 1,275,131
Stock Level 1,275,131
Customer Report 12,751,315
80% 80.0% New Order 11,397,563 1,494
Payment 11,397,563
Order Status 1,139,755
Delivery 1,139,757
Stock Level 1,139,755
Customer Report 11,397,561
70% 69.8% New Order 9,950,328 1,494
Payment 9,950,331
Order Status 995,034
Delivery 995,032
Stock Level 995,034
Customer Report 9,950,334
60% 59.5% New Order 8,476,711 1,494
Payment 8,476,705
Order Status 847,670
Delivery 847,673
Stock Level 847,670
Customer Report 8,476,705
50% 50.2% New Order 7,146,384 1,494
Payment 7,146,380
Order Status 714,638
Delivery 714,637
Stock Level 714,639
Customer Report 7,146,386
40% 40.0% New Order 5,694,440 1,494
Payment 5,694,442
Order Status 569,445
Delivery 569,443
Stock Level 569,443
Customer Report 5,694,433
30% 30.4% New Order 4,333,619 1,494
Payment 4,333,615
Order Status 433,362
Delivery 433,363
Stock Level 433,362
Customer Report 4,333,622
20% 20.1% New Order 2,870,146 1,494
Payment 2,870,148
Order Status 287,014
Delivery 287,015
Stock Level 287,014
Customer Report 2,870,142
10% 9.9% New Order 1,411,565 1,494
Payment 1,411,563
Order Status 141,156
Delivery 141,156
Stock Level 141,157
Customer Report 1,411,568
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0